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CHANGELOG
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This file contains a summary of changes to the Oppia code base.
v3.1.4 (01 Sep 2021)
------------------------
Contributor Pages
* Fix #12276: Hide action button for submitted suggestions when their corresponding opportunities are deleted (#13738)
Translations
* Routine update of translations. (#13517)
Developer UX
* Fix part of #10474: Enables strict typescript checks for some files - (2.5) (#13532)
* Update PULL_REQUEST_TEMPLATE.md (#13530)
* Update oppiabot to v1.4.0 (#13512)
* Fix part of #10474: Enables strict typescript checks for some files - (2.3) (#13473)
* Fix part of #10474: Made strict typescript checks for image-upload-helper (#13466)
* Fix part of #10474: Cover ExplorationImprovementsModel with strict TypeScript checks (#13457)
* Fix part of #8423: Implement lint check for keeping element selectors at the tops of files. (#13441)
* Fix Part of #10474: Cover some files with TS strict checks - 11 (#13426)
* Migrate "disallow bypassSecurity" regex check to eslint (#13424)
* Fix part of #10474: Enables strict typescript checks for some files - (2.2) (#13394)
* Fixes part of #10474: add some files in ts-strict (#13369)
* Fix Part of #10474: Cover some files with TS strict checks - 10 (#13368)
* Fix part of #10474: Enables strict typescript checks for some files - (2.1) (#13354)
* Fix #13071: Removes logging unwanted errors in frontend test (#13253)
* Fix #13326: Removes the unwanted bypass import-only-modules flag (#13495)
* Updates codeowners for jobs/transforms and jobs/types folder (#13482)
* Adds schema in custom_landing_pages and pages modules. (#13478)
* Updating codeowner (#13464)
* Add frontend-test-reviewers team to codeowners file (#13458)
* M2.1: Add type annotations (#13413)
* Added unit tests for the following files (#13409)
* Allow users to have multiple roles and removes banned role (#12989)
Data handling
* fixes part of #12792 implement the _get_change_domain_class for topic, subtopic validation (#13384)
* Adds schema for handler classes creator_dashboard, learner_dashboard, learner_playlist modules (#13355)
* fixes part of #12792 implement the _get_change_domain_class for skill, story validation (#13307)
Miscellaneous
* Fix #13723: Do not redirect partially-logged-in users from /logout (#13729)
* Fix #13447: Removes roles related flags from the response (#13511)
* Revert "Fix part of #9749: Migrate library page." (#13497)
Bug fixes
* Fix interpolation of html tags on get started page. (#13433)
* Fix coverage flake introduced in #13219 (#13419)
Learner/Creator Pages
* Milestone 2.3: Adds Blog Card And Parts of Blog Dashboard Page (#13472)
* Consolidate Image RTE components (#13485)
* Initialise Carousel after library page data has loaded (#13751)
* Fix part of #13449: RTE validation for checking if the url for a link begins with https:// (#13536)
* Components and modals on the exploration editor page will be preloaded. [Milestone2.1] (#13407)
* Redesigning and Updating the Learner Dashboard Page Milestone-2.2 (#13402)
* Only include images from the current exp version for download (#13527)
* Fix refresh of page when hitting enter on a TextInput interaction (#13634)
* Send CD emails to admins based on suggestion type; Empty translations should show in CD (#13615)
* Update tsconfig-strict to cover directories (#13551)
* Fix #13509: Bug fixes related to item select (#13526)
* Fix #13655 and #13639 (#13715)
* Fix #13653, #13630, #13666, #13651 (#13713)
* Fix #13691: Added default init value for position of terms. (#13706)
* Fix #13545, #13546, #13547: Fixes editor facing bugs (#13583)
* Fix #13168: dnd rule editor issues (#13558)
* Fix #13220: Math interaction regex fix for Safari (#13553)
* Fixed failing skill-mastery test (#13510)
* Added subtopic mastery handler (#13468)
* Milestone 2.2: Adds Backend Api services for blog dashboard. (#13439)
* Add SameSite=None and Secure to cookie options to support iframe (#13623)
* Add Google Analytics require to mock-ajs (#13620)
* Logic proof job (#13618)
Angular Migration
* Fix #13656: Make Topic Landing Pages accessible. (#13671)
* Migrate Library page (#13498)
* Migrate 14 static pages to angular router. (#13483)
* Fix part of #9749: Migrate Stewards landing page (#13415)
* Fix part of #9749: Migrate Signup page (#13414)
* Fix part of #9749: Migrate library page. (#13412)
* Remove angularjs from 9 more pages (#13367)
* Introduce angular router (#13305)
Automated QA Team
* Fix #13757: Fix rubric alignment when submitting questions (#13758)
* Frontend Unit Tests(8): Add frontend tests for multiple files (#13535)
* Tighten rerun policies based on e2e metrics (#13505)
* Frontend Unit Tests(7): Add frontend tests for multiple files (#13503)
* Frontend tests for topic-editor-navbar.component (#13501)
* Fixing the Embedding flake (#13493)
* Resolving "Creating topic takes too long" in topicAndStoryEditor.js (#13492)
* Added units tests for outcome-destination-editor & state-hints-editor (#13479)
* Frontend Unit Tests(6): Cover multiple component files (#13476)
* Fix #13421: Run backend tests in core/tests (#13470)
* Resolving "https://pencilcode.net/lib/pencilcodeembed.js - Failed to load resource: net::ERR_CERT_DATE_INVALID" error (#13455)
* Fixing a Flake in Topic and Story Editor File Upload Features (#13446)
* Fixed the E2E flake introduced in #13325 (#13445)
* Added tests for question-editor & outcome-editor (#13442)
* Fix #12993: Restore @U8NWXD as codeowner (#13428)
* Frontend Unit Tests(5): Cover multiple component files (#13423)
* Added unit tests for version-diff-visualization & rule-editor (#13418)
* Add unit test for top-navigation-bar and fix flake (#13286)
* Fix part of #13467 Fixes frontend test flake in noninteractiveimage.component (#13525)
* Fix #13249: Fix mypy pre-push checks (#13490)
* Added unit tests for conversation skin directive (#13432)
v3.1.3 (07 Aug 2021)
------------------------
Contributor Pages
* Fix #13148: Handle unicode translation suggestions correctly (#13387)
* Fix language selection dropdown change detection issue (#13316)
* Fix #12184: Add domain layer and frontend changes for surfacing translation contribution stats (#13285)
* Fix #11881: Consolidate add/remove contribution rights controller handlers (#13279)
* Fix part of #12184: Create translation contribution stats storage model and corresponding population one off job (#13201)
* CP fixes for June release (#13198)
* Fix #13055: Don't make numeric content eligible for translation in contributor dashboard (#13056)
* Fix #12221: Only show skill/question opportunities for topics that are part of a classroom (#12982)
* Fix #12960: Add Spanish and Portuguese translation tips to contributor dashboard (#12975)
* Adds contributor dashboard admin roles and relevant page for the user with this new role (#12916)
Angular Migration
* Fix part of #9749: Migrates Subtopic Summary Tile to Angular (#13386)
* Fix part of #9749: Migrate Preferences page (#13219)
* Fix part of #9749: Migrate classroom page. (#13127)
* Fix part of #9749: Migrate Admin page. (#13125)
* Fix part of #9749 Migrated Services and Modals for Exploration Editor Page (#13107)
* Remove angularjs from 11 pages. (#13098)
* Fix #12855: Remove unused angularjs libraries: angularjs headroom, toastr and ngAudio (#13082)
* Remove angularjs from about page. (#13073)
* Fix part of #10700: Refactor Object Factories for StateCard (#13028)
* Fix part of #10700: Refactor Object Factories for Fraction (#13024)
* Fix part of #9749, #8473: Migrate part of topic editor page. (#12878)
* Migrate Interactions: Numeric Expressions Input (#12753)
* Fix Part of #9749: Migrates Thumbnail-Uploader to Angular (#12667)
Miscellaneous
* Fix #12736: Restore codeowners (#13283)
* Update CODEOWNERS for going away (#13121)
* Added Mailchimp API integration for mailing lists (#12373)
* Add back ngx-mat-select-scroll to package.json (#13364)
Data handling
* Fix wipeout on test and backup server (#13383)
* hide logic Proof in front end (#13372)
* Adds schema for collection_editor (#13343)
* Fix part of #12792 implement the _get_change_domain_class for config, question validation (#13273)
* Fix part of #12792 implement the _get_change_domain_class for collection validation (#13247)
* Adds schema for handlers concept_card_viewer & contributor_dashboard modules (#13225)
* Adds schema for handlers in moderator, collection_viewer & cron modules (#13224)
* Adds schema for handlers admin, classifier, & classroom modules (#13223)
* Schema-Validation-System(SVS) architecture (#13065)
* Fix part of #12568, #11475 implement the _get_change_domain_class for exploration validation (#12999)
* Allowing deprecated commands in validation (#12990)
* Normalizing with given default_value for arguments by SVS architecture. (#13370)
* Fixes Typescript issue in oppia-short-response-mulitple-choice-input.component and mypy issue in schema_utils.py (#13335)
* Update schema validation service architecture for handling cases of different args in same request method (#13277)
* FIx part of #12688 add relationshipsof for user model (#13063)
* Fix #13054: Adding support for running backend type checks (#13060)
* Fix failing stict_typescript_checks on develop (#13191)
* Adds logic to handle request method (#13274)
* Fix #13239 and #13171: Adding type annotations to root files and fix constants errors with mypy (#13269)
* Adds new handler class name in HANDLER_CLASS_NAMES_WHICH_STILL_NEED_SCHEMAS (#13264)
Developer UX
* Migrate "disallow HttpClient" regex check to eslint (#13405)
* Remove unused templateUrl lint check (#13404)
* Migrate "disallow relative import in require" regex check to eslint (#13375)
* Added unit-tests and strict type checking for state-property.service (#13366)
* Fix #12718: Use init-hook to fix command line calls to pylint (#13339)
* Fix #13119: Add Vojta back as a codeowner (#13333)
* Migrate "only allow imports relevant part of lodash" regex check to eslint (#13317)
* Fix Part of #10474: Cover some files with TS strict checks - 9 (#13304)
* Migrate lint check to prohibit the use of inject call (#13302)
* Migrate lint check to disallow innerHTML property. (#13301)
* Fix Part of #10474: Cover some files with TS strict checks - 8 (#13293)
* Disallow $parent and $broadcast angularJs property (#13291)
* Migrate disallow-flags regex checks to Eslint (#13275)
* Fix Part of #10474: Cover some files with TS strict checks - 7 (#13270)
* Fix Part of #10474: Cover some files with TS strict checks - 6 (#13263)
* Migrate throw-related regex checks to Eslint (#13252)
* Fix part of #10474: Enables strict typescript checks for some files - (9) (#13246)
* Fix part of #8423: Disallowed invalid await (#13227)
* Disallowed unwanted browser methods in protractor files (#13205)
* Fix Part of #10474: Enables strict typescript checks for some files - (8) (#13204)
* Fix part of #10474: add learner-exploration-summary and spec in tsconfig-strict.json (#13183)
* Fix part of #10474: Enables strict typescript checks for some files - (7) (#13178)
* Fix #13172: Controller to initialize android specific structures (Milestone 1.2) (#13174)
* Fix Part of #10474: Enables strict typescript checks for some files - (6) (#13135)
* Fix Part of #10474: Enables strict typescript checks for some files- (5) (#13111)
* Fixes part of #8423: lint check to ensure root element selectors use HTML classes that start with "protractor-test-" (#13105)
* Fix part of #8423: Implement lint check for constant variable names are in all-caps (#13086)
* Fix Part Of #10474: Make TypeScript checks strict for some files - (4) (#13078)
* Fix part of #10474: Enables strict typescript checks for some files - (3) (#13052)
* Fix Part of #10474: Make Typescript checks strict for some files - (2) (#13044)
* Fix part of #10474: Cover some files with TS strict checks - 3 (#13043)
* Update authors and changelog for v3.1.2 (#13363)
* Add CLA Check using Github Action (#13141)
Release team
* Adds prompt for mailchimp api key in the release process (#13332)
Bug fixes
* Fix frontend coverage flake introduced in #13127 (#13323)
* Fix #13142: Fix author profiles dropdown (#13238)
* Remove strict image filepath validation in the translation flow; minor bug fixes; (#13396)
* Fix #13451: import -> require toastr.css (#13588)
Python Migration
* Fix Firebase auth (#13345)
* Fix part of #11475: Delete all references to continuous jobs (#13313)
* Fix part of #11475: Delete UserStatsAggregator job (#13271)
* Fix part of #11475: Delete the FeedbackAnalyticsAggregator continuous job (#13237)
* Fix part of #11475 Migrate wipeout oneoff to task service (#13231)
* Fix part of #11475: Add batch_jobs directory (#13228)
* Fix part of #12688 add id relationshipsof for models: collection, exploration, feedback, question, topic (#13226)
* Fix part of #11475: Add helper methods for creating stdout/stderr values (#13188)
* Removes notification page (#13180)
* Fix part of #11475: Add PutResults() PTransform for jobs (#13100)
* Fix part of #11475: Add Apache Beam jobs tab to Release Coordinator page (#13070)
* Fix part of #11475: Delete all non-essential one off jobs (#13021)
Learner/Creator Pages
* Fix #13463 and #13460: Linking more questions in question editor and mailchimp api key error (#13571)
* Fix #13448: Show placeholder text in Numeric Input interaction (#13560)
* Fix #13168: dnd rule editor issues (#13558)
* Fix Multiple Choice Interaction shuffle (#13502)
* Milestone 2.1 : Adding format heading drop-down to RTE. (#13400)
* Fixed errors in goals tab (#13392)
* Adding message when skill is deleted in skill Review RTE (#13377)
* Changes in the functions added in #13116 (#13342)
* Milestone 1.5 : Adds blog admin page frontend. (#13300)
* Milestone1.4 :Adding Blog HomePage Controllers. (#13278)
* Fix #13156: Introduce new attribute thumbnail_size_in_bytes for Subtopics (#13242)
* Multiple users can make the changes to the exploration simultaneously when their changes are not conflicting. Milestone1.2 (#13233)
* Adding Blog Models Validations: Part of Milestone 1.2 (#13232)
* UI changes to library and story viewer page (#13216)
* Milestone 1.3: Adds Blog Dashboard Controllers, Blog Admin page Controllers and blog-admin-backend-api service. (#13207)
* Preloads skill images; Adds a job to copy question images to the correct storage path; Make 'coming soon' topic tiles not clickable (#13184)
* Fix #13049: Introduce new attribute thumbnail_size_in_bytes for Topic models (#13175)
* Partnerships page (#13120)
* Milestone 1.2 : Adds Blog Domain, Services and Validators. (#13118)
* Adding function to check for mergeability and also to get composite change list between two versions. Milestone 1.1 (#13116)
* Fix #13067, #13068, #12951 and #12857 - Moved language selector to navbar, fixed URLs and translations (#13074)
* Adding new License page and removing Credits link from footer (#12985)
* Adds new voiceover admin role and allows voiceover admin to assign voice artist to explorations (#12687)
* Refactor implementation of cookie module. (#13403)
* Refractors UrlInterpolationService to not return null at interpolateUrl (#13371)
* Fixing a flake in learnerDashboard.js (#13381)
* Fix #13406: Clear currently played audio track when the card changes (#13430)
* Fix #13251: Temporarily remove StateTopAnswersStatsService initialization and registering of relevant callbacks (#13353)
* Fix #13158: Storing the thumbnail size (in bytes) for StoryNode (#13312)
* Fix #13170: Create Exploration for android specific interactions (Milestone 1.1) (#13029)
* Fix #13295 - warning text is within the box (#13296)
* pixels are perfectly fine when we upload the picture (#13255)
* Redesigning and Updating the Learner Dashboard Page Milestone-1.5 (#13241)
* Redesigning and Updating the Learner Dashboard Page Milestone-1.4 (#13222)
* Introduce Cookie banner (#13250)
* Redesigning and Updating the Learner Dashboard Page Milestone-1.3 (#13181)
* Fix #13157: Storing the thumbnail size (in bytes) for Story (#13159)
* Fix #13025: Show the topic/story in-editor nav option only after StoryEditorStateService has been initialised (#13087)
* Adds unit tests for exploration engine service (#13084)
* Redesigning and Updating the Learner Dashboard page Milestone-1.2 (#13081)
Automated QA Team
* Improving e2e workflow files for release and translatewiki branches to function properly (#13382)
* Adds unit tests for the following files (#13340)
* Adds unit tests for state-editor and answer-group-editor (#13334)
* Add unit tests for question-player component (#13322)
* Frontend Unit Tests(4): Cover multiple component files (#13319)
* Frontend Unit Tests(3): Cover multiple component files (#13303)
* Unit test for questions-list.component.ts (#13287)
* Adds unit tests for the following files (#13284)
* Frontend tests for image-with-regions-editor.component (#13258)
* Adds unit tests for admin page (#13230)
* Frontend unit tests for state-responses, rating-display and question-difficulty-selector component/directive (#13217)
* Frontend Unit Tests: Cover multiple component files (#13213)
* Adds unit tests for admin roles tab (#13206)
* Adds unit tests for the following multiple files. (#13192)
* Adds unit tests for audio bar component (#13177)
* Unit test for exploration creation service (#13176)
* Fix #13160: frontend test coverage failure (#13163)
* Unit tests for hint and solution button component (#13154)
* Unit test for thumbnail uploader component (#13138)
* Adds unit tests for stats reporting service (#13132)
* Fixing flakes in ExplorationHistoryTab and ExplorationsTranslationsTab (#13117)
* Adds unit tests for list of small services (#13112)
* Add unit test story summary tile (#13110)
* Add unit test image uploader skill selector (#13102)
* Unit tests for sharing-links.component.ts and state-editor.service.ts (#13069)
* Frontend Unit Tests: Cover small component files (#13017)
* Adds frontend tests for unicode string editor component (#12996)
* Separate MockTranslatePipe from Unit-test.utils.ts (#13149)
* Frontend Unit Tests: Cover multiple component files (#13137)
* Fix typescript check failure (#13321)
* Introduce E2E tests to test allowing multiple collaborators to work on the exploration. (#13325)
* Changing E2E Rerun Policies (#13318)
* Frontend tests for graph-viz.component (#13298)
* Adds frontend tests for filepath-editor.component (#13297)
* Fixing a flake in contributorDashboard.js (#13259)
* Fixes: #13281 Resolves flake in admin page (#13282)
* Resolving one of the Lighthouse Flakes (#13280)
* Resolving e2e flake "Expected false to equal to true" in `topicAndStoryEditor` (#13218)
* Fixing a flake in the learner suite (#13214)
* Fix top-navigation-bar coverage flake (#13212)
* Fix for flake in oppia-interactive-image-click-input.component (#13267)
* Fix pre-push mypy checks (#13310)
* Fix #13088: Add pre-push checks for MyPy (#13114)
* Fixes failing typescript checks and FE tests on develop (#13266)
* Fixing the 401 Error in the Moderator Page (users e2e suite) (#13124)
* Resolving "Toast message takes too long to appear" e2e flake (#13123)
v3.1.2 (10 Jul 2021)
------------------------
Contributor Pages
* Fix #13173: Modify translation submission validation to check for custom tags (#13309)
* Fix part of #12184: Create translation contribution stats storage model and corresponding population one off job (#13201)
* CP fixes for June release (#13198)
Angular Migration
* Fix N/A: Optimize Story-Summary-Tile change detection cycles (#13064)
* Fix #7359: Use transclusion components in exploration editor page (#13040)
* Fix part of #9749: Migrate Oppia footer directive. (#13003)
* Fix part #9749: Migrate svg filename editor (#12977)
* Fix part of #9749: Migrate Profile page. (#12926)
* Fix part of #9749: Migrate I18nFooter Directive (#12925)
* Migrate ckeditor directives to Angular. (#12881)
* Fix part of #9749: Migrate Preview thumbnail. (#12870)
* Fix part of #9749: Migrate input response pair. (#12853)
* Introduce ngx-translate as a replacement for translate pipe (#12790)
* Fix part of #9749 Migrated Services and Modals for Exploration Editor Page (#12781)
* Fix part of #9749: Migrate remaining object editors in extensions. (#12775)
* Fix part of #9749: Migrate audio bar directive (#12766)
* Fix part of #9749, #8472: Migrate Display hint modal service and dependencies. (#12756)
* Fix Part Of #9749: Migrates Navbar Of Story-Editor-Page to Angular (#12741)
* Fix Part of #9749: Migrate story-summary-tile to Angular (#12728)
* Fix part of #9749: Migrate Exploration Footer and dependencies (#12703)
* Fix part of #8472: Topic editor state service migrated. (#12664)
* Fix part of #9749: Migrates Top-Navigation-Bar to Angular (#12584)
* Fix of #9749: Migrate non-negative-int, numeric-expression, position-of-terms, positive-int, ratio-expression, real, sanitized-url, set-of-algebraic-identifier, set-of-translatable-html-content-ids, subtitled-html editors (#12554)
* Fix part of #9749: Migrate base-content (#12371)
* Fix part of #9749: Migrate all oppia-non-interactive-* (#12294)
Translations
* Routine update of translations (#13089)
* Routine update of translations. (#13012)
Miscellaneous
* Remove classroom page accessible flag config property (#12988)
* Adds correct structure for topic landing page (#12972)
Release team
* Increase memory for webpack (#13000)
* Adds new release coordinator role and a separate page for release coordinator's work (#12884)
Developer UX
* Fix Part of #10474: Cover some files with TS strict checks - 5 (#13057)
* Fix Part of #10474: Cover some files with TS strict checks - 2 (#13050)
* Fix Part of #10474: Cover some files with TS strict checks - 4 (#13047)
* Routine upgrade of frontend libraries (#13030)
* Fix part of #10816: Migrate all comment related JS/TS lint checks to custom eslint checks (#13022)
* Fix part of #10816: Migrate check constants declaration (#13011)
* Fixes part of #10816: Migrate lint check for match line breaks in controller dependencies (#12994)
* Fix part of #10816: migrate sorted dependencies lint check to eslint (#12983)
* Fix part of #10816: migrate check directive scope lint check to eslint (#12979)
* Fix part of #10816: Disallow multiple component in a file (#12974)
* Fix Part Of #10474: Make TypeScript checks strict for some files (#12965)
* Remove and disallow usage of `import _ from lodash` (#12963)
* Fix Part of #10474: Cover more files with TS strict checks (#12962)
* Fix part of #8668: Document exploration-category & exploration-title service files with jsdoc (#12948)
* Export JSON from Karma coverage reports (#12923)
* Fix part of #10474: Cover GraphUtilsService with strict checks (#12716)
Data handling
* Fix part of #12792, #11475 implement the _get_change_domain_class for other models: platform-parameter (#12958)
* Refactoring of filter_skills_by_mastery (#12924)
* Fix part of #11572: Using exception instead of error in controllers (#12611)
Bug fixes
* Fix #13142: Fix author profiles dropdown (#13238)
* Fix for 'Failed to load resource: net::ERR_UNKNOWN_URL_SCHEME' console error flake. (#13032)
* Fix for console errors on admin roles tab (#13018)
* Fix the wrong usage of pluralization syntax in `learner-dashboard-page.component.html` file (#12856)
Python Migration
* Fix part of #11475: Migrates _validate_composite_entity_id (#13085)
* Fix part of #11475: Prepare API of JobRunResults for writing to storage (#13027)
* Fix part of #11475: Migrates _validate_archived_models_marked_deleted (#13019)
* Fix part of #11475: Add Apache Beam domain and services (#12954)
* Fix part of #11475: Move datastoreio stub into JobBase (#12947)
* Fix part of #11475: Add JobRunResult type for Beam Jobs (#12940)
* Fix part of #11475: Add gae_models for Apache Beam jobs (#12939)
* Fix part of #11475: Add RelationshipsOf unit tests and stabalize ModelProperty implementation (#12890)
* Fix part of #11475: Add query support to the datastoreio stub (#12880)
* Fix part of #11475: Use SimpleXMLRPCServer to implement the datastoreio stub (#12851)
Learner/Creator Pages
* UI changes to library and story viewer page (#13216)
* Preloads skill images; Adds a job to copy question images to the correct storage path; Make 'coming soon' topic tiles not clickable (#13184)
* Fix #13067, #13068, #12951 and #12857 - Moved language selector to navbar, fixed URLs and translations (#13074)
* Fix Browser Library button on the teach page (#13033)
* Fix #8983: Use base64 instead of blob for caching images and use the SVG sanitizer for base64 SVG urls (#13013)
* Redesigning and Updating the Learner Dashboard page Milestone-1.1 (#13006)
* Milestone 1.1: Add Storage Models for Blog Posts (#12933)
* Fix #12630: Force pasting plain text in RTE editor (#12861)
* Editor frontend changes for card is checkpoint field (#12817)
* Fix math expression RTE copy (#12806)
* Adding limit to text message in feedback thread (#12746)
* Fix part of #6271: Update subparts of interaction answer group. (#12636)
* New About page (#11420)
Automated QA Team
* Added unit tests for exploration player state service (#13062)
* Added unit tests for story editor navbar component (#13039)
* Temporarily Transfer Code Ownership from @U8NWXD to @krishnarao22 (#12986)
* Stop Printing Frontend Test Success Messages (#12955)
* Add emaildashboard E2E Test Rerun policy and Ensure Tests Fail on Missing Policies (#12953)
* Graph layout service test (#12946)
* Create activity button component frontend unit tests (#12936)
* Resolving E2E Flake: StateContentEditor Taking Too Long to Appear to Set Content (#12919)
* Add @krishnarao22 to Automated QA CODEOWNER files (#12915)
* Introduces a check for whether a PR is low risk in `e2e Admin Page Test` and `e2e Publication Test` (#12906)
* Add waitFor in forms.js to Fix Extensions Suite E2E Flake (#12904)
* Resolving e2e flake "no element found using locator: by(css selector, option:checked)" (#12842)
* Implement Suite-Specific E2E Test Rerun Policy (#12839)
* Merge from Base Branch Before E2E Runs on GitHub Actions (#12829)
* Fix part of #10798: Fix explorationEditorMainTab with action.js and waitfor.js (#12700)
Miscellaneos fixes
* Add Marathi (मराठी) and Ganda (Luganda) to supported languages (#13315)
* Fixes regression in copy tool: Fix filepath editor validity (#13115)
* Reducing flakiness in the Topic and Story Editor E2E Suite (#13092)
* Call dispatchEvent on windowRef provided to the tested component instead of 'window' (#13072)
* Update naming for lighthouse checks, add logging for exported URLs, fix some flakiness with lighthouse accessibility test and extensions e2e test. (#13066)
* Mock runOutsideAngular so that callback can be tested (#13058)
* Optimize exploration tile change detection and fix filepath uploader form validity (#13038)
* Update codeowners file (#13037)
* Fix #12911: Updates not allowed suggestion exception message and fixes possible flake causes (#13020)
* Controlling the Video Recorder (#12984)
* Fix #12694: Revert #12696 (#12967)
* Fixes: #12943 Added unit tests for question player engine service (#12944)
* Resolving the 'Expected 0 to equal 2' flake in AdminPage (#12927)
* Fixes issues #11758, #11683 and #11472: validates the translation, disables paragraph copy to translation and adds how-to-use copy tool doc link (#12909)
* Fix rule input voiceover status (#12905)
* Added frontend tests for topic questions tab component (#12893)
* Fix #12846: Adds a modal to prompt the user to save the exploration changes. (#12879)
* Fix #12824: Make allowKeywords property set to True in .eslintrc file (#12860)
* Fix #12451 The review modal title does not update when reviewing multiple suggestions (#12845)
* Moving final e2e tests to GitHub Actions (#12835)
* Fix part of #9749: Migrate interactive map, logic proof, multiple choice input, set input and text input interactions. (#12788)
* Fix part of #9749: Migrate svg-file-name-editor-component (#12764)
* Fetch_page to fetch (#12763)
* Fix #12698 Migrates files to use preventpageunload service (#12742)
* Fix #12547: Granularise translation commit commands (#12719)
v3.1.1 (10 Jun 2021)
------------------------
Miscellaneous
* Add support for Fanti, Tamil and Swahili languages (#13014)
* Transfer codeownership of filepath-editor to kevintab95. (#12578)
Contributor Pages
* Fix #12657: Enable translation of interactions in contributor dashboard (#12810)
* Fix #12691: Revert codeowners for contributor dashboard files (#12782)
* Fix part of #12691: Swap codeowners for contributor dashboard files until 2021-05-10 (#12693)
* Fix #12382 : Contribution Dashboard users with the SUBMIT_QUESTION or REVIEW_QUESTION permission should now be shown (#12562)
* Fix #11706 : Cursor should revert to normal when translation modal is closed (#12521)
* Fix part of #11735: enables reviewers to edit translations(re-submission) (#12540)
* Fix part of #11735: feature edited by reviewer flag for suggestions (#12785)
Answer Classification
* Milestone 3 of migrating Oppia ML pipeline (#12091)
Server Errors
* Fix #12830: Add ContentLanguageSelectorComponent to entryComponents and declarations in review-test module (#12834)
* Fix HTML caching (#12607)
Translations
* Routine update of translations. (#13012)
* Add MachineTranslatedStateTextsHandler and translation domain services (#12524)
* Add MachineTranslatedText storage model and domain object (#12515)
* Add Cloud Translate Services (#12065)
Developer UX
* Routine update of translations. (#12895)
* Handle all server management with managed_process() (#12800)
* Fixes #12776 : Fixes Type Errors in Promise rejections in admin page. (#12777)
* Handle all server management with managed_process() (#12761)
* Update backend libraries (#12744)
* Update backend libraries (#12734)
* Fix part of #10474: Cover MisconceptionObjectFactory with strict typescript checks (#12720)
* Routine upgrade of libraries (#12709)
* Fix #12512: Fixes import error after cleanup (#12701)
* Distribute nithusha21's codeowner files (#12696)
* Fix Part of #11496: Add lint check for `.then()` method (#12677)
* Fix Running E2E Tests Locally (#12668)
* Fix Part of #10474: Cover and Refactor six more files with TS strict checks (#12643)
* Fix #11811: remove remaining TODOs. (#12605)
* Fix part of #11462: Give Firebase accounts --save_datastore support (#12600)
* Removes unused codecov config file (#12583)
* Fix Part Of #10474: Make typescript checks strict for some services (#12569)
* Fix Part Of #10474: Make typescript checks strict for some services (#12561)
* Fix #12550: Allow metadata with py2.7 suffix (#12559)
* Fix #10306: Adds "Async" keyword to all the remaining files. (#12558)
* Fix part of #7450: Modify private method in ContinuousComputationTests (#12553)
* Fix part of #7450: Modify private method in SuggestionServicesUnitTests (#12511)
* Fix part of #10474: Adds strict typing to `GuestCollectionProgressObjectFactory` (#12497)
* Fix part of #10474: Strict type checks for NeedsGuidingResponsesTaskModal and its spec file (#12491)
* Fix part of #10474: Make TS checks strict for CollectionPlaythrough CollectionRights CollectionSummary (#12487)
* Shard error fix for issue #12422 (#12485)
* Fix part of #8423: Add lint check to ensure that functions with "testOnly" in their names are only called from "spec" files. (#12455)
* Fix part of #10474: Cover exploration-feature service with strict typescript checks (#12388)
* Remove self code owners until 2021-05-24 (#12737)
* Improve swap_with_checks() (#12721)
* Fix Part of #11572: Stack Traces for exceptions are correctly thrown (#12618)
* Update eslint version to 7.23.0 (#12501)
* Revert ownership to darksun27 (#12493)
* Fix part of #12656: Temporarily transfer codeowners for @brianrodri (#12658)
Data handling
* Split fetch review suggestions query into separate queries for translations and questions (#12950)
* Fix part of #11475: implement the _get_change_domain_class for other models: collection, config, question (#12826)
* Replace fetch_page of 'get_translation_suggestion_ids_with_exp_ids' with fetch (#12784)
* Fix #9320: Remove jinja (#12757)
* Refactor try-except in exp_services.py (#12685)
* Adds new fields in userSettings model with corresponding one-off job to populate those fields (#12683)
* Replace fetch_page of 'query_new_and_pending_training_jobs' with fetch (#12678)
* Fix part of #11475: migrate _validate_commit_cmds_schema to Beam job (#12568)
* Fix part of #10415: Refactor activity validators (#12477)
* Add additional predicates to email dashboard (#12356)
* Fix part of #11475: Migrate _validate_post_commit_status to Apache Beam (#12347)
* Fix part of #11475: Migrate validate_commit_type to Apache Beam (#12240)
Angular Migration
* Fix Part Of #9749: Migrates Collection-Linearizer-Service to Angular (#12837)
* Fix Part of #9749: Migrates Contact Page (#12774)
* Fix Part Of #9749: Migrates Delete-Account-Page to Angular (#12750)
* Fix part of #9749, #8472: Refresher exploration confirmation service and modal migrated. (#12748)
* Fix part of N/A: Migrate ng-audio. Fix part of #8742: Audio Player Service (#12715)
* Fix part of #9749: Migrate Privacy page (#12705)
* Fix part of #9749: Migrate Learner local nav directive along with dependencies. (#12704)
* Fixes part of #9749: Migrate Correctness footer (#12682)
* Fix part of #9749: Migrate Learner answer info card (#12681)
* Fixes part of #9749: Migrate continue button directive (#12680)
* Fix part of #8472: Migrate Exploration player state service (#12679)
* Fix part of #8472: Learner view rating Service Migrated (#12676)
* Fix part of #8472: Migrate exploration engine service. (#12675)
* Fix part of #9749: Migrate moderator page (#12602)
* Fix part of N/A: Remove most of the service from serviceToProvide in App.ts to remove multiple instances of a services. (#12596)
* Fix #12571: Update filepath editor to set correct width, height and offset on initialisation. (#12572)
* Fix part of #9749: Migrate pending account deletion page. (#12545)
* Fix part of #9749: Migrate Notifications dashboard page (#12544)
* Fix part of #9749: Migrate side navigation bar (#12543)
* Fix part of #9749: Migrate warnings-and-alerts and alert-message directives (#12542)
* Fix part of #9749: Loading message directive migrated (#12541)
* Create NgInit and mathjax Directive and Fix part of #9749: Migrate int, list-of-sets-of-translatable, list-of-tabs, list-of-unicode-string, set-of-unicode-string, logic-error, logic-question, math equation, math expression, muisc-phrase, nonnegative and number-units editors (#12532)
* Fix Part of #9749: Migrated Story-Preview-Tab with Spec (#12513)
* Fix part of #9749: Migrate Custom OSK, drag-drop-positive, filepath, fraction, graph-editor, html-editor and image-with-regions editors (#12502)
* Fix part of #9749: Migrate rubrics editor directive along with dependencies (#12488)
* Fix part of #9749 Migrating outcome-feedback-editor.directive.ts to Angular (#12479)
* Fix Part Of #9749: Migrates Story-Viewer-Page to Angular (#12472)
* Fix Part of #10700: Refractor Object Factories (#12458)
* Fix part of #9749: skills list directive and dependencies migrated (#12432)
* Fix part of #9749: Topics list directive migrated (#12410)
* Fix Part of #9749:Migrates skill-description-editor directive to Angular (#12395)
* Fix Part of #9749:Migrates response-header directive to Angular (#12376)
* Fix part of #9749: Migrates create-activity-button to angular (#12290)
* Fix #12292 and part of #9749: Migrate image click interaction (#12113)
* Fix #12206, #12385, #12523, #12525, #12526, #12527 Migrated Learner's Dashboard Completely (Angular Migration) (#12056)
* Temporarily provide $translate in Angular (#12794)
* Fix Remaining comments from #12569 and #12561 (#12778)
* Fix remaining comments from #12639. (#12713)
* Emit object form validity event in list-of-sets-of-translatable-html-content-ids-editor.component.ts (#12546)
* Migrate ui-codemirror and Fix part of #9749: Migrate CodeRepl interaction (#12639)
* Revert "Fix Part of #9749:Migrates response-header directive to Angular.(This PR is currently made for some testing purposes) (#12708)
* Fix part of N/A: Introduce Event bus for events (#12459)
Bug fixes
* Add google-cloud-translate fix for deployed server (#12825)
* Fix #12804: Social buttons are now showing correctly. (#12805)
* Fix #12642: topicName is interpolated properly now. (#12803)
* Fix #12738: Copy does not work for images in the translation modal and image upload during question creation (#12789)
* Redirect away from login page when already signed in (#12710)
* Fix part of #11462: Revoke session cookies after granting/revoking super admin privileges (#12570)
* Fixes: #12907 Drop down for "play later" in mobile view (#12932)
* Fix #12903: Optimize exploration-summary-tile.component change detection cycles. (#12931)
* Fix rule input voiceover status (#12905)
* Fix translation flow issue (#12902)
* Fix #12841: Exploration player i18n bug fixes (#12843)
* Fix #12818: RTE Helper modal controller flake (#12820)
* Fix #12106 : Creates seperate variables to store different results in admin roles tab (#12230)
Python Migration
* Fix part of #11475: Migrates _validate_entity_type (#12854)
* Fix #12656: Reclaim @brianrodri's ownership (#12838)
* Fix #11462: Cleanup Firebase TODOs and leftover code (#12827)
* Fix #12671: Generate signature migration (#12816)
* Fixes Enum bug (#12809)
* Fix part of #11474: Move contextlib2 API into python_utils (#12773)
* Adding python3 compatibility for zip largest (#12758)
* Fix #12697: Refactoring audit errors (#12725)
* Python Migration raw string (#12714)
* Fix part of #11462: Permit auth-related pages and handlers in maintenance mode (#12684)
* Fix #12503: Renaming proto folder for further migration to Python 3 (#12672)
* Fix part of #11475: migrate validate_canonical_name_matches_name_in_lowercase to beam job (#12669)
* Python 3 compatibility for base64 encoding (#12651)
* Fix part of #11475: migrate validate_activity_mapping_contains_only_allowed_keys to beam job (#12579)
* Fix part of #11462: Add one-off job to detect accounts with duplicate emails (#12534)
* Remove incoming emails (#12516)
* Migrates creation of enum to the inbuilt Enum method (#12470)
* Fix part of #11475: Migrate validate_model_domain_object_instances to beam jobs (#12317)
* Migrates _validate_post_commit_status_is_public (#12787)
* Return PTransform class object from ModelStub.get_models_ptransform (#12739)
* Changes the existing hierarchical roles system to independent roles to actions system (#12686)
* Fix part of #11475: Migrates validate_draft_change_list_last_updated (#12673)
* Fix part of #10728: Migrate metaclass python regex to custom Astroid checker (#12394)
Learner/Creator Pages
* Link exploration state to skill (#12348)
* Fix thumbnail background colour not updating (#13023)
* Fix #12630: Force pasting plain text in RTE editor (#12861)
* Display learner-facing pages in RTL when the site language is an RTL language. (#12762)
* Fix #12580: Makes exploration content Tabbable. (#12752)
* Added exp ID logging for StoryExplorationsAuditOneOffJob (#12749)
* Fix #12426: Show "Loading..." text when RTE toolbar is loading (#12740)
* Resolving katex parser error in Numeric Expression Input interaction (#12730)
* Fixes #12575 : Fixes audio bar position on small screens. (#12702)
* Fixes #12641: Browse our lessons button fixed. (#12646)
* Merging SVG-Diagram and Image plugins in RTE : Adds function for converting tags (#12620)
* Fix console errors for duplicate skill description (#12595)
* Update the custom entity context when reviewing translations (#12573)
* Fix Part of #9271: Remains in skills tab after merging two or more skills. (#12567)
* Fix #12528: Fixes server error in the DragAndDropSortInput interaction. (#12548)
* Adds Autofocus on exploration interactions (#12538)
* Add card_is_checkpoint field in state model (#12529)
* Fix #6069 : Added top margin to "Start New Thread" button (#12489)
* Fix #11692: Adds a customization arg for math interactions that allow selecting division symbol. (#12483)
* Fix #12265: Search input and review div for topic selector (#12384)
* Link exploration state to skill (#12807)
* Revert "Link exploration state to skill (#12348)" (#12801)
* Fix #10892: Fixes long skill names bug in the subtopic editor (#12236)
* Fixes an error when uploading GIFs with transparent bg and add removes GIF from COMPRESSIBLE_IMAGE_FORMATS (#12504)
* Fix #12223: Errors in Skill Editor is displayed. (#12629)
* Fix #12587 : Back arrow works fine on skill and topic editor page (#12674)
* Fix Part of #10914: Adds progress indicator in save button. (#12603)
Automated QA Team
* Fixing e2e flake in Settings tab(No element found using locator: By(css selector, option:checked)) and (No element found using locator: By(css selector, .select2-dropdown))) (#12796)
* Adding a Video Recorder for E2E Tests (#12759)
* Wait for Moderator or 401 Error Page to load in e2e test (#12745)
* Fix part of #10798: Add action to learnerFlow.js file (#12690)
* Fix part of #10798: Fix end to end tests for ClassroomPage.js (#12670)
* Fix Part of #10798: Fixed e2e test file to resolve non-deterministic behavior (#12614)
* Resolving the 'Page Takes > 15 seconds to load' Flake (#12597)
* Update ProfilePage.js (#12593)
* Fixes #12142 Flake Fixed in Edit thumbnail Controller (#12574)
* Moving Tests To Github Actions (#12495)
* Fix librarypage test #10798 (#12486)
* Skip Selected CI Checks for Low-Risk PRs (#12440)
* Resolving “no element found using locator: by(css selector, .protractor-test-exp-summary-tile-title)” (#12812)
* Revert "Handle all server management with managed_process()" (#12797)
* Fix afterAll failure error (E2E Test passing despite failure in afterAll block) (#12576)
* Fixes e2e Flake in story Editor (#12530)
* Fix #12173 Fix Failing Accessibility Tests (#12457)
v3.1.0 (20 May 2021)
------------------------
Contributor Pages
* Fix #12396: Fixes issues with translation "go back" and "skip" flow (#12727)
* Fix #12610 : Changes the logic for copying a concept card (#12648)
* Fix part of #11464: Applies code-owner suggestion on PR #12308 (#12403)
* Fix #11903: Removes unnecessary height property from left navbar buttons of Contributor Dashboard (#12364)
* Fix #12322 : Makes subheading aligned with heading in translation modal (#12328)
* Fix part of #11464: Fixes task 8 by allowing user to edit skill difficulty . (#12308)
* Adds metrics for curated lessons; Fix text direction in the suggestion review modal; (#12769)
* Fix #11904: Reset "local storage" image destination before closing the translation suggestion modal (#12439)
* Fixes #11438: Made contributor dashboard header sticky with reducing the size of user details container (#11738)
Learner/Creator Pages
* Display learner-facing pages in RTL when the site language is an RTL language. (#12762)
* Fixes #12575 : Fixes audio bar position on small screens. (#12702)
* Fix #12590: Do not allow empty commits in question editor (#12666)
* Update the custom entity context when reviewing translations (#12573)
* Fix #12378: Images in exploration tabs and collapsibles correctly preload (#12442)
* Fixes New Nav Structure and Focus on exploration editor. (#12431)
* Removed pretest question, fixed attribution text and added more comments to preferences page (#12415)
* Fix #12380: Exploration statistics pie charts now show on page load (#12414)
* Allow skillreview RTE component globally (#12397)
* Fix #12224: Edit question flow fixes (#12321)
* Fix part of #12253 : Added z-index styles to ensure dropdown does not overlap "Coming Soon" label (#12288)
* New navigational structure: Foundation site and Oppia.org Integration (#12257)
* Restrict exploration editor for explorations in story (#12233)
* Fix #12171 : Removed redundant position property from classroom banner (#12207)
* Number of elements in ratio expression input should not be more than 10 (#12204)
* Fix the pause voice-over issue in audio bar. (#12192)
* Fix #12174 : Added extra margin to the bottom of the search bar component in the library page (#12175)
* Audit Job to check for explorations with number of ratio terms greater than 10 (#12157)
* Fix #12070: Adding creator-guidelines page (#12144)
* Autofocus: Adds autofocus to learner dashboard, contributor dashboard and story editor. (#12114)
* Autofocus editors:Adds autofocus to topic,skill and exploration editor. (#12089)
* Fixes part of #11464: Populate interactions with the saved solution. (#12057)
* Fix part of #9749: `audio-file-uploader.directive.ts` migrated to angular. (#11971)
* Fix Part of #12586: Prevents merging of questions when merging skills are failed. (#12723)
* Fix #12598 Added padding above skill description in Question Editor (#12706)
* Fix #12336: Adds a check for processed image size when uploading an image (#12344)
* Allow exploration owner to remove users role from their exploration (#12143)
* Fix #11333: Correctly enable publish and transfer to community buttons in settings tab of exploration editor (#11690)
Translations
* Add Dari to SUPPORTED_CONTENT_LANGUAGES (#12551)
* Routine update of translations. (#12473)
* Fix #11581: Enable rule inputs to be translated in the translation tab and these translations to be used in the learner view. (#12406)
* Standardize handling of translatable objects. (#12342)
* Add Urdu to list of supported languages (#12535)
* Fix #12180 Add inline translation tips to translation cards. (#12339)
Miscellaneous
* Fix #12306: Changes the order of headings on the Splash Page (#12330)
* Adds a polyfill for globalThis (#12268)
* Remove old conversion functions and upgrade all exploration demo yaml files to the latest schema versions. (#12256)
* Fix #11909: make footer responsive in smaller view (#12234)
* Update the year to 2021 (#12167)
* Fix part of #10306: Added async keyword to a function that return promise (#12050)
* Revert "Fixes part of #11462: Update install_backend_python_libs to respect direct urls from GitHub" (#12363)
* Revert "Fix part of #9749: Migrates image-uploader.directive.ts to angular" (#12335)
* Log 404 from base handler without raising exceptions (#12345)
* Remove @darksun27 from CODEOWNERS (#12329)
* Revert "Fixes part of #8472: Migrate Exploration Rights Service" (#12305)
* Reassign @Hudda as codeowner (#12154)
Release team
* Updated gcloud version in release_constants (#12510)
* Add release constant for CUJ doc (#12484)
Developer UX
* Fix Part of #4057: Fully cover NumericInputValidationService with unit tests (#12462)
* Changes gae version to 335.0.0 (#12456)
* Fix Part of #10474: Make TS checks strict for StateEditorRefreshService, StateNameService, StoryNodeModel (#12429)
* Fix Part of #10474 : Make checks strict for SchemaFormSubmittedService and SetInputRulesService (#12423)
* Fix part of #11472: Note the idempotency of super-admin privilege handlers (#12419)
* Fix #12389: Disallow usage of xdescribe and xit in frontend unit test (#12418)
* Fix Part of #10474 : Make typescript checks strict for MathEquationInputRulesService (#12411)
* Fix #12379: Changes regex to support case insensitive process names (#12409)
* Fix part of #10474: Make typescript checks strict in NumericInputRulesService (#12320)
* Fixes part of #11462: Update install_backend_python_libs to respect direct urls from GitHub (#12315)
* Clarify Port Open/Closed Language in scripts/common.py (#12307)
* Fix part of #10306: Add "async" keyword to asynchronous functions that return a promise (#12302)
* Fix part of #10306: Added async keyword to synchronous function that return a promise (#12291)
* Fix part of #11776. Adding/Updating 'Args' and 'Return' in docstrings (#12287)
* Fixes part of #8423: Added lint test to enforce use of 3 character hexadecimal notation (#12282)
* Fix part of #11496: Adds lint check to disallow browser.sleep() calls (#12248)
* Fix part of #10306: added async to createTopic in topic-creation-backend-api.service.ts (#12239)
* Refactor of the user services and android constants (#12229)
* Fix part of #8423: Implement new linter checks (Check for space before and after = in HTML) (#12225)
* Fix part of #8423 Add eslint check to ensure space between type and : [e.g: const variableName:<space>TYPE] (#12222)
* Fix part of #10306: Adds 'async' keyword to asynchronous function in pretest-question-backend-api.service (#12176)
* Fix part of #10306: Add "async" keyword to asynchronous functions that return a promise (#12151)
* Fix part of #7450 : Modified private methods in "jobs_test.ContinuousComputationTests" (#12133)
* Fix part of #10306 : Add "async" keyword to asynchronous functions in "playthrough-issues-backend-api.service.ts" (#12127)
* Fix part of #10306: Adds 'async' keyword to asynchronous function in topic-creation-backend-api.service.ts (#12100)
* Shard Lint Tests (#12073)
* Fixes part of #10306 : Added async keyword to asynchronous functions that return a promise (#12021)
* Fix an incorrect comment in context.service.ts (#12453)
* Fix Part of #4057: Frontend test to fully cover collection-node.model.ts (#12420)
* Frontend test for oppia interactive end exploration (#12354)
* Fix Part of #4057: Fully cover context.service.ts (#12262)
* Update to the Proof that changes are correct section. (#12077)
Data handling
* Fix prod validation errors (#12398)
* Remove lowest supported role (#12391)
* Create android feedback reporting storage models (#12298)
* Add permission decorator for primary admin (#12283)
* Fix part of #11475: Migrate _validate_post_commit_is_private to Apache Beam (#12272)
* Email dashboard - Send emails by custom predicates (#12041)
* Fix left over stats server errors (#12416)
Bug fixes
* Fix #12738: Copy does not work for images in the translation modal and image upload during question creation (#12789)
* Fix #12632 & #12589: Adds custom class to fix modal issue and changes animation name (#12772)
* Fix part of #8423: Restrict use of px with 0 (#12285)
* Fix #6219: Fixes checkbox CSS (#12244)
Python Migration
* Fix part of #11462: Permit auth-related pages and handlers in maintenance mode (#12684)
* Fix part of #11462: Include users marked for deletion when managing deleted users (#12555)
* Fix part of #11462: Add one-off job to detect accounts with duplicate emails (#12534)
* Add {Model.property: Model.ID} relationship checks to AuditAllStorageModelsJob (#12471)
* Fix part of #11475: Migrates _validate_old_models_marked_deleted (#12465)
* Changes try except to not fail for python3 (#12461)
* Fix part of #11462: Hide user menu on login and logout pages (#12438)
* Fix part of #11462: Add missing await (#12430)
* Fix part of #11475: Implement AuditAllStorageModelsJob with Apache Beam (#12428)
* Fix part of #11462: Add SyncFirebaseAccountsOneOffJob (#12417)
* Fix part of #11475: Rearchitect the code in /jobs/ (#12413)
* Fix #11462: Migrate to Firebase authentication (#12392)
* Fixes part of #11462: Update install_backend_python_libs to respect direct urls from GitHub (#12366)
* Part of #11475: Update beam conventions (#12338)
* Revert "Fix #11462: Migrate to Firebase authentication" (#12313)
* Fix #11462: Migrate to Firebase authentication (#12172)\
* Fix part of #11462: Remove logging from SyncFirebaseAccountsOneOffJob (#12441)
* Fix part of #11476: Introduce process manager for Cloud Datastore Emulator (#12408)
Angular Migration
* Fix #12400 and #12505: Add imports for modules that requires 'interactionsQuestionsRequires.ts' (#12608)
* Fix part of #9749: Migrate topic-selector directive to angular (#12387)
* Fix part of #9749: Migrate Algebraic Expression Editor, boolean-editor, code-string-editor, coord-two-dim (#12360)
* Fix part of #9749 :On screen keyboard Migrated (#12351)
* Fix part of #9749: Image uploader is migrated and fixed (#12337)
* Fix part of #9749: Migrate translation opportunity modal (#12191)
* Fix part of #9749: Migrate admin-navbar and admin-dev-mode-activities-tab & added api service for admin-navbar (#12189)
* Migrate ConfirmOrCancelModal to Angular and use it in a modal. (#12153)
* Fix part of #9749: Topics and skills dashboard navbar breadcrumb (#12131)
* Fix part of #9749: Migrates image-uploader.directive.ts to angular (#12128)
* Fix part of #9749: Migrated promo-bar-directive (#12110)
* Fix part of #9749: Admin jobs tab component migrated (#12076)
* Fix part of #8472: question-validation.service.ts along with spec migrated to angular (#12023)
* Fixes part of #8472: Migrate Exploration Rights Service (#11974)
* Fix part of #9749: Migrate skill selector to angular (#11791)
* Fixes part of #10700: Refactor AnswerStatsObjectFactory to model.ts (#11691)
* Fix part of #8016: Added a separate backend api service for learner-view-info-backend-api.service.ts (#12132)
Automated QA Team
* Fix #12372: Pin and Assert Lighthouse Chrome Versions (#12368)
* Add a check for whether a server is running on the elasticsearch port when running e2e tests. (#12359)
* Fix Admin Page Flake: expected 0 to equal 2 (#12358)
* Name CI Tests for Custom ESLint Checks (#12325)
* Increase logging on the publications suite (#12271)
* Fix #10798: Fixing End-to-End Tests with action.js and waitFor.js for ExplorationEditorHistoryTab.js (#12245)
* Fix e2e flake:No element found using locator: by.cssContainingText("option" , "moderator") (#12226)
* Added unit tests for skill-mastery.component.ts and collection-local-nav.component.ts (#12216)
* Move Users E2E Tests to GitHub Actions (#12209)
* Fix #10798: Fixes failure of e2e tests with action.js (#12148)
* Fix editStateButton click intercepted by welcome modal (#12097)
* Fix part of #10798 : End-to-End tests for profileMenuFlow.js (#12082)
* Fix part of N/A: Fix flaky frontend test. (#12476)
* Hot-fix of failing lint check (#12421)
v3.0.9 (29 Mar 2021)
------------------------
Contributor Pages
* Fix part of #11464: Fix task 8 by allowing user to edit skill difficulty . (#12308)
* Fix #12260: Add media queries to prevent overflow of tabs in question editor (#12281)
Angular Migration
* Upgrade component wrapper for Angular html Bind (#12138)
* Fix part of #9749: Migrate graph interaction (#12090)
* Fix part Of #10700: Refactor ThreadMessageSummaryObjectFactory and ThreadMessageObjectFactory to Model (#12060)
* Fix part of #8472: Migrate collection-editor-state.service.ts along with spec (#12027)
* Fix part of #9749: Migrate summary list header directive to Angular (#12019)
* Fix part of #11920: Add `RatioExpressionInputRulesService` to `UpgradedServices.ts` (#12009)
* Migrate skill editor navbar breadcrumb to Angular (#12001)
* Migrate thread table component (#12000)
* Fix part of #9749: Migrate all fraction interactions (#11990)
* Fix part of #9749: Migrate all the Algebraic Interactions to angular components. (#11958)
* Delete learner-answer-details-data service as it was dead code (#11954)
* Migrate user email preferences service from AngularJS to Angular (#11949)
* Fix part of #10700: Refactor Suggestions object factory (#11942)
* Fix part of #9749: Migrate all the continue interaction related directives to angular components (#11935)
* Fix part of #8472: Migrate story-update.service (#11889)
* Fix part of #9749: Migrate Splash page to angular (#11826)
* Fix part of #8472: Migrate Collection Update Service (#11663)
* Fix part of #8472: Migrate state-tutorial-first-time.service.ts to Angular 8 (#11368)
* Fix part of #9749: Migrate Collection Local Nav to Angular (#11352)
* Fix part of #8472: Migrate image-upload-helper.service (#11306)
* Fix part of #9749: Migrate subtopic-viewer-navbar-pre-logo-action.component.ts to Angular (#11983)
* Fix part of #9749: Migrate admin-prod-mode-activities-tab directive to angular component (#11787)
Translations
* Fix part of #11721: Add i18n for delete button text on preferences page (#11762)
Developer UX
* Relax Lighthouse Accessibility Assertions (#12183)
* Use pip 20 and explain `deparallelize_terser` param more (#12145)
* Fix part of #12117: Remove loop from html linter file (#12129)
* Fix #11070: Fix empty docstring linter error (#12119)
* Fix css linter script issue (#12105)
* Fix part of #5097: Add length-zero-no-unit rule for CSS lint check (#12095)
* Fix part of #11462: Only start firebase emulator in EMULATOR_MODE (#12093)
* Fix part of #4057: Add tests in image-upload-helper.service.spec.ts (#11991)
* Add emulator mode (#11906)
* Move _check_extra_js_files to the general linter (#11864)
* Fix #9008: Fix FetchIssuesHandler responds with a JSON object instead of an array (#11852)
* Fix part of #11431: Replace run_in_transaction call with decorator (#11821)
* Fix part of #8423: Add Args to docstrings in some files (#11770)
* Fix part of #11496: Lint Check for E2E Action Functions (#11734)
Data handling
* Introduce wipeout related utils to admin page (#12101)
* Clear old drafts and fix format of content suggestions (#12068)
* Fix part of #10049: Remove deprecated fields from ExplorationRightsModel (#12052)
* Fix part of #3446: Add frontend validators to PencilCodeEditor (#12033)
* Fix part of #10049: Remove deprecated fields from ExplorationModel (#11998)
* Fix part of #10415: Refactor activity validators (#11926)
* Fix #9427: Remove email access in admin-page (#11869)
Miscellaneous
* Add a polyfill for globalThis (#12268)
Release team
* Rename release constant key (#12284)
Bug fixes
* Fix missing login required modal (#11858)
Python Migration
* Lift minimal App Engine setup to new base classes (#12124)
* Fix part of #11462: Add one-off job to populate Firebase servers (#12086)
* Fix part of #11462: Transition backend to manage Firebase authentication using HTTP cookies (#12054)
* Fix part of #11462: Transition frontend to manage Firebase authentication using HTTP cookies (#11973)
* Fix part of #11475: Migrate Base Model Validator to Apache Beam (#11955)
Learner/Creator Pages
* Show skillreview RTE component when submitting a question via the community dashboard (#12340)
* Fix #12178: Make questions appear on practice session (#12295)
* Update classroom card to show # of chapters instead of # of stories (#12218)
* Use EditabilityService to determine when solution can be edited (#12162)
* Fix #12070: Adding creator-guidelines page (#12144)
* Ensure `n`-th term of ratio equals `x` (#12103)
* Preload functionality for images in state writtenTranslations (#12063)
* Fix part of #11919: Add styles to prevent errors from looking clickable (#12039)
* Fix Teach Page: Make teach page responsive and removes broken link (#12038)
* Add e2e test for student user journey (#12010)
* Add 'Classroom' option in the sidebar menu (mobile specific) with 'Basic Mathematics' option in submenu (#11985)
* Fix part of #11950: Add jobs for migrating all snapshots of explorations and questions to the latest schema version (#11952)
* Fix #11887: Fix audio player position in tablet,mobile view (#11948)
* Fix part of #11433: Add new TranslatableHtml and TranslatableUnicode objects (#11937)
* Fix classroom page tasks adding topic in lesson player (#11923)
* Fix part of #10306: Add async keyword to asynchronous functions that return a promise (#11915)
* Fix part of #10700: Convert Object factory to Model Class (#11902)
* Fix #11886: Add padding at the bottom of the search bar container to make it visible (#11893)
* Fix part of #10667: Unblock profile icon and commit message for topics (#11875)
* Fix Classroom page navbar in mobile view. (#11873)
* Hide previously assigned topics for a skill in the 'Assign Skill to Topic' modal (#11865)
* Fix #3984: Change tooltip from "Add to playlist" to "Watch later" in exploration library (#11780)
* Fix #11639: Improve style of navbar-menu:focus (#11731)
* Fix part of #11485: Revisit old completed lessons in story (#11563)
* Remove suggestion submission functionality from the learner view (#12096)
* Fix #10919, #8800 & #4932: Make "Play later" section tiles consistent with other sections (#12048)
* Fix #11898: Fix misaligned social media icons (#11913)
Automated QA Team
* Fix part of #11462: Add logout at the end of end-to-end tests (#12118)
* Fix part of #10798: Add End-to-End tests for libraryFlow.js (#12083)
* Fix part of #4057: Add a unit test for Graph Utils Service (#12072)
* Fix #12026: Skip E2E Tests for Changelog Update PRs (#12035)
* Fix #12029: Escape Protractor Screenshot File Names (#12034)
* Fix part of #4057: Add a test file for state-tutorial-first-time.service.ts (#12007)
* Fix part of #10798: Fix E2E tests for accessibility.js (#11999)
* Fix #11947 and #11993: Fix URLs Reported to E2E Logging Server and Report Branch Name (#11995)
* Fix part of #10798: Add end-to-end test general.js file (#11965)
* Fix frontend test failing flakily due to coverage (#11907)
* Shard backend tests (#11792)
v3.0.8 (25 Feb 2021)
------------------------
Contributor Pages
* Contributor dashboard bug fixes (#12008)
* Fix part of #11900: Disable opportunities list next button if there are no more results to display (#11982)
* Fix #11901: aligns bullets points properly. (#11976)
* Fix #11840 and #11899: Allow admin to view, add, and remove users to use submit question tab on contributor dashboard + misc admin roles fixes (#11862)
Bug fixes
* Fix part of #11462: Avoid initializing AngularFire by default (#11845)
Angular Migration
* Fix part of #11920: Add `RatioExpressionInputRulesService` to `UpgradedServices.ts` (#12009)
* Fix part of #8472: Migrate translation-tab-active-content-id.service (#11760)
* Fixes Part of #8472: Migrate Exploration data service (#11564)
Translations
* Add hi-en to SUPPORTED_CONTENT_LANGUAGES and fixes revision card not showing content (#11917)
Developer UX
* Fix #9887: Adds inline comment checker for codeowner (#11835)
* Fix part of #10474: Enable strict check on audio language model (#11813)
* Fix #11477: Update codeowners in preparation for vacation. (#11810)
* Upgrade libraries (#11754)
* Fix #11727: Update the CODEOWNERS file and lint check to ensure new files don’t fall under blanket code owners (#11745)
* Fix part of #11431: Replace run_in_transaction call with decorator (#11741)
* Fix #9726 Relocated sidebar-status.service.ts file from domain to services directory. (#11729)
* Fix part of #11572: Tighten some try/excepts and use `exception` instead of `error` in some places (#11728)
* Fix part of #10306: Added async keyword to functions that return a promise (#11710)
* Fix css linter chekcs never stops because of re.sub() call (#11672)
* Clean up ElasticSearch server after e2e run. (#11662)
* Fix part of #10728: Move python regex lint check to pylint (#11579)
* Fix part of #10474: Cover more files with strict checks (#11574)
* Fix part of #7450: Modify private methods in SuggestionIntegrationTests (#11797)
* Fix of #10306 added async keyword before functions that return a promise (#11755)
* Fix part of #10306 adding async in ansynchronous functions of Translations-backend-api.service (#11740)
* Fix part of #10306: Added async keyword to asynchronous functions that return a promise (#11739)
Data handling
* Fix signup process for user marked as deleted (#11946)