CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

[9.7.17] - 2024-11-13

Bug Fixes

• Computed columns with negative domain (#298)

Features

• Support checking for negative domain (#296)

[9.7.16] - 2024-11-04

Bug Fixes

• Column setters in trace template (#290)

Features

• Support filtering of perspectives (#281)
• Enabling scrolling of tabs (#282)
• Add bit-decomposition to stdlib (#286)
• Perspective constancy function (#288)
• Allow empty (begin ..) (#289)
• Improved error reporting in generated Trace.java (#291)

[9.7.15] - 2024-10-16

Bug Fixes

• Fix Trace.java template (#270)
• Trace file template ((#278)

Features

• Update implementation of eq! (#269)
• Support custom class name for trace file. (#272)
• Setting column size factor manually (#274)

[9.7.14] - 2024-10-03

Bug Fixes

• Wrong Evaluation of Constraint Expressions using Expansion (#242)
• Rework ifs transform (#245)
• Remove vector operations

[9.7.13] - 2024-07-22

Bug Fixes

• Fixes for ratatui dependency issue (#216)
• Truncated Column Names (#226)
• Different Behavior for Expansion and Native Flag Combinations (#228)
• Update check reporting for perspectives (#229)
• Update Github Release Action (#237)

Features

• Support RON and JSON bin formats (#223)
• Support Perspective "blanking" (#224)
• Switch default bin format from RON to JSON (#225)

[9.7.12] - 2024-06-20

Bug Fixes

• Custom Serializer for ColumnRef (#184)
• Fix for Singleton Reduce (#192)
• Error when missing reduce (#194)
• Fix for unexpected list on * (#196)
• Unused Declaration for Array Columns (define.go) (#197)
• Fix #178 (#202)
• Incorrect Handling of Perspective Selectors (#204)
• Incorrect Trace Construction (#208)
• Fix #209 (#210)

Features

• Implement byte@prove using range constraints (#182)

[9.7.11] - 2024-06-05

Bug Fixes

• Fix ifs::raise_ifs #87 (#97)
• Remove old to_string invokation (#109)
• Fix Default Base for Interleaved Constraints (#114)
• Rendering of columns in convert (#110)
• Erroneous inversion optimization (#108)
• Fix for eq! typing in stdlib.lisp (#145)
• Fix for corset compute (#156)
• Fix #158 (#159)
• Incorrect typing of vector operations (#175)

Features

• Add missing bigInt package (#137)

Miscellaneous Tasks

• Release corset v9.7.11

Build

• Bump the cargo group across 1 directory with 2 updates (#103)

[9.7.10] - 2024-03-07

Features

• Add force-bin

Miscellaneous Tasks

• Release corset version 9.7.10

Refactor

• :nowarn -> :force

[9.7.9] - 2024-03-06

Bug Fixes

• Symbol resolving in array indexing operation
• Refactor perspectives in interleavings & sorts

Features

• Better error message on erroneous module access

Miscellaneous Tasks

• Release corset version 9.7.9

[9.7.8] - 2024-03-05

Bug Fixes

• Allow the use of array columns in perspectivized interleaving

Miscellaneous Tasks

• Release corset version 9.7.8

[9.7.7] - 2024-03-03

Bug Fixes

• Permutations & interleave over expressions

Miscellaneous Tasks

• Release corset version 9.7.7

[9.7.6] - 2024-03-02

Bug Fixes

• Carry typing information over interleaving & permutations

Miscellaneous Tasks

• Release corset version 9.7.6

[9.7.5] - 2024-02-28

Bug Fixes

• Refuse to import erroneous values for Fr elements
• Allow for unknown columns in binary trace

Features

• Clearer lookup error messages
• Add conversion to JSON
• Make mismatching column lengths a non-recoverable error

Miscellaneous Tasks

• Release corset version 9.7.5

[9.7.4] - 2024-02-26

Bug Fixes

• Wrong table layout obsucring elements
• Bool -> loob
• Display full file path on compile errors
• Wrong perspective colors

Features

• Add a high contrast setting
• Add boolean version of chronologic testing operators
• Inverse pure expressions in place

Miscellaneous Tasks

• Release corset version 9.7.4

Refactor

• Streamline function declaration parsing

[9.7.3] - 2024-02-13

Bug Fixes

• Specialization selection mechanism

Miscellaneous Tasks

• Release corset version 9.7.3

[9.7.2] - 2024-02-12

Bug Fixes

• Stepped ranges inclusion check

Miscellaneous Tasks

• Release corset version 9.7.2

[9.7.1] - 2024-02-12

Bug Fixes

• Correct in-boundness check for stepped ranges

Miscellaneous Tasks

• Release corset version 9.7.1

[9.7.0] - 2024-02-12

Features

• Allow for any const. expr. in domains

Miscellaneous Tasks

• Release corset version 9.7.0

[9.6.0] - 2024-02-07

Bug Fixes

• Column sizes
• Better error messages when function arguments count is wrong
• Text representation of binary magma
• Type error message

Features

• Expose constant as public
• Use fitting types to avoid wasting space in trace files

Miscellaneous Tasks

• Update dependencies
• Release corset version 9.6.0

[9.5.0] - 2024-01-24

Bug Fixes

• Homogeneize arrays and columns

Miscellaneous Tasks

• Release corset version 9.5.0

[9.4.0] - 2024-01-23

Bug Fixes

• Ensure all backings have the correct length
• Message on conditioning error
• Architecture-dependent build

Features

• Generate normalization constraints
• Generate binarity constraints for @prove-annotated type

Miscellaneous Tasks

• Clippy
• Release corset version 9.3.0
• Release corset version 9.4.0

Refactor

• Homogeneize column types proving

[9.2.3] - 2024-01-17

Bug Fixes

• Sort constraints auxiliary columns computation
• Fr/BigInt criss-crossing
• Parsed value can be negative

Features

• Better error messages on erroneous value updating

Miscellaneous Tasks

• Release corset version 9.2.3

Refactor

• Move columns_len to ConstraintSet
• Streamline concretization

Fest

• Add debug information for binary trace map

Hack

• Circumvent expression-backed computation issue

[9.2.2] - 2024-01-12

Bug Fixes

• Interleaved columns definition in WizardIOP

Miscellaneous Tasks

• Release corset version 9.2.2

[9.2.1] - 2024-01-12

Bug Fixes

• Type parsing

Miscellaneous Tasks

• Release corset version 9.2.1

[9.2.0] - 2024-01-12

Bug Fixes

• Error handling
• Exo-column conversion criterion
• Fail on erroneous types

Features

• Add a CSV conversion option

Miscellaneous Tasks

• Update the WizardIOP exporter
• Release corset version 9.2.0

[9.1.5] - 2024-01-11

Bug Fixes

• Handle all errors while checking
• Handle Integer magma in Besu export
• Type compatibily error

Miscellaneous Tasks

• Release corset version 9.1.3
• Release corset version 9.1.4
• Release corset version 9.1.5

Styling

• Only use @loob and @bool (#62)

Build

• Feature-gate sqlite export
• Generate binaries on release
• Fix git-cliff configuration

[9.1.2] - 2023-12-21

Bug Fixes

• Correct types for ~or! and ~and! (#57)
• Conditioning should never be mixed

Documentation

• Add inspector demo

Features

• The convert command converts trace files to sqlite database

Miscellaneous Tasks

• Update dependencies
• Release corset version 9.1.2

Build

• Bump zerocopy from 0.7.26 to 0.7.31 (#54)

[9.1.1] - 2023-12-06

Bug Fixes

• Superfluous logs
• Unwrap

Features

• Sort module tabs
• Add o/open flag to directly go to a module tab

Miscellaneous Tasks

• Release corset version 9.1.1

[9.1.0] - 2023-12-01

Miscellaneous Tasks

• Release corset version 9.1.0

[9.0.0] - 2023-11-27

Bug Fixes

• Globally rename plookup to lookup
• Ensure that inspector colors are readable
• Sort constraints
• Importing traces as native values
• Conditioning of guards
• Concretize computations
• Escaping function
• Correctly mark used columns
• Render permutations & domains
• Apply all auto-constraints
• Adapt default Value to native/non-native
• Columns import/export for BLS
• Lookup checking on non-expanded constraints
• Build process
• Improve checking error reporting

Features

• Add an option do display module spillings
• Switch from BN to BLS
• Implement :comp columns
• Adapt for MMAP export in Besu
• Flat binary file parser

Miscellaneous Tasks

• Update dependencies
• Clippy
• Update dependencies
• Update tui-textarea
• Release corset version 9.0.0

Performance

• Improve flat file importing performances
• Optimize register parsing

Build

• Streamline the build process

[9.0.0-alpha] - 2023-11-02

Bug Fixes

• Ensure that generated Besu files implement ModuleTrace

Features

• Add vertical scrolling
• Prettier plookups
• Introduce field-agnosticity and related type-system revision (#40)

Miscellaneous Tasks

• Release corset version 9.0.0-alpha

Besu

• Pre-allocate column buffers
• Fine-typing of constants
• Update to new packages

[8.3.9] - 2023-09-29

Bug Fixes

• Do not ignore explicit base annotation on column declarations

Miscellaneous Tasks

• Release corset version 8.3.9

[8.3.8] - 2023-09-28

Features

• Add :truthiness as a display option

Miscellaneous Tasks

• Release corset version 8.3.8

[8.3.7] - 2023-09-28

Bug Fixes

• Use appropriate type for constants in Besu
• Downgrade ron due to stack overflow issue

Features

• Remove setter methods in generated traces
• Add an option to display columns
• Corset can now parse module following the standard hierarchy

Miscellaneous Tasks

• Clippy
• Release corset version 8.3.7

Build

• Update to Rust 1.70.0

[8.3.6] - 2023-09-16

Bug Fixes

• Besu templates
• Make register allocation stable

Features

• Colorize numbers
• Columns or register can both be loaded from trace files
• Colorize perspective columns only when active
• Add a iota keyword to create distinct constants
• Accept STDIN as an input with -

Miscellaneous Tasks

• Update dependencies
• Release corset version 8.3.6

[8.3.5] - 2023-08-30

Bug Fixes

• Dim/non-dim formatting

Miscellaneous Tasks

• Release corset version 8.3.5

[8.3.4] - 2023-08-30

Bug Fixes

• Homogeneize shift display

Miscellaneous Tasks

• Release corset version 8.3.4

[8.3.3] - 2023-08-30

Bug Fixes

• Correct format for subponents

Miscellaneous Tasks

• Release corset version 8.3.3

[8.3.2] - 2023-08-30

Bug Fixes

• Only show column names in checker

Miscellaneous Tasks

• Release corset version 8.3.2

[8.3.1] - 2023-08-30

Bug Fixes

• Erroneous display of checker reports

Miscellaneous Tasks

• Release corset version 8.3.1

[8.3.0] - 2023-08-30

Bug Fixes

• Stop using STDIN

Miscellaneous Tasks

• Release corset version 8.3.0

[8.2.0] - 2023-08-28

Bug Fixes

• OoB in Combinator display
• Incoherences in the type system regarding cyclic validation

Features

• Add corset inspect to visualize trace files
• Add a Forth micro-language to select rows in the inspector
• Specify columns potentially missing bool annotation
• Opcodes can be used as immediate values
• Always save valid scan expressions
• Corset code can be provided from STDIN

Miscellaneous Tasks

• Rename jobs
• Github++
• Clippy
• Clippy
• Release corset version 8.2.0

Refactor

• Split inputs in their own modules

Build

• Fix conditional compilation
• Drop dependency on names

[8.1.3] - 2023-08-22

Miscellaneous Tasks

• Release corset version 8.1.3

Build

• Fix release.yml

[8.1.2] - 2023-08-22

Miscellaneous Tasks

• Release corset version 8.1.2

Build

• Fix release.yml

[8.1.1] - 2023-08-22

Miscellaneous Tasks

• Release corset version 8.1.1

Refactor

• Revamp domain implementation

Build

• Add release.yml

[8.1.0] - 2023-08-18

Features

• Allow for dropping individual columns
• Add a formatter

Miscellaneous Tasks

• Release corset version 8.1.0

[8.0.2] - 2023-08-10

Bug Fixes

• Erroneous implementation of perspective scopes
• Erroneous parsing of column type annotations

Features

• Add warning on potentially overflowing if conditions
• for can iterate over ranges, compile-time values, or arrays
• Change besu java format trace generation format
• Unclutch debug report from log level, add trace span options
• Add a size method to zkBesu traces
• fillRemaining zero-fills empty columns in zkBesu

Miscellaneous Tasks

• Comments & re-organization
• Release corset version 8.0.2

[8.0.1] - 2023-07-26

Bug Fixes

• Columns have a magma, not a type
• Add SPDX field in zkBesu template file (#19)
• Perspective guard should not alter constraint type (#21)
• AVX-specific argument type (#17)

Features

• Add a flag to the debugger to display modules infos

Miscellaneous Tasks

• Prune old code
• Release corset version 8.0.1

Refactor

• Add syntactic sugar for job-DAG creation

[8.0.0] - 2023-07-18

Bug Fixes

• Extend permutation signs; do not fail parsing on empty modules
• Issue #11
• Inverse constraint generation
• Mark used arrays as used
• Re-enable SIMD
• Handles/ID confusion in lib
• JSON export in conflated traces
• Cbindgen update
• When loading columns, pad both at top and bottom
• Booleans are stable by inversion
• Dynamically type user-defined function calls when possible
• All column expression must be typed
• Tests
• Correctly compute padding for double-past spilling
• Use local rayon thread pools in the FFI
• Missing argument on x86/AVX2 build
• Do not crash on Void constraints
• Only takes own constraints into account when computing spilling
• If applicable, pad imported columns with their defined value
• Typing of eq!
• Embed handle information when available
• Hash computation for ColumnRef
• "namespace-ize" perspective columns in zkGeth export
• Tests
• Concurrent borrow
• Update zkBesu exporter to reigsters
• Do not print all columns in debug
• Discern casting and operation result typing
• Always sort handles while debugging
• Don't output too long lines in the conflater
• Better error messages
• Besu export
• Erroneous symbols in WizardIOP
• Cgo antics
• Mixup between computations ID & columns ID
• Revert to old serialization
• Enable sorts in wizard
• Expand string purification

Features

• Add cross-perspective references
• Better error message on columns loading
• Implement binary column representations
• Improve debugging outputs
• Add optional typing to user-defined functions
• Implement loobeans
• The debugger can now display types
• Add debug information on mismatching columns length
• Show as many compile error as possible at once
• Implement the new perspective behavior
• Colorize debugger output
• Add function overloading
• Condense debugging output
• Add the --debug-src flag
• Allow for a debug-oriented representation of the AstNodes
• Warn on potentially mistyped columns

Miscellaneous Tasks

• N-hood columns do not need to be viewed as binary
• Update the Kotlin template
• Clippy
• Release corset version 8.0.0

Performance

• Optimize self-inverts of booleans as identity
• Pre-compute i64->Fr user-set padding values

Refactor

• Use a product type for handles for clearer output
• Colored -> owo_colors
• Not & Eq are builtin rather than intrinsics
• Node members are now private
• Homogeneize stdlib function names
• Stdlib renaming
• Homogeneize column create API
• Drop the --allow-dups flag
• Implement SelfInv in Corset
• Replace :interleaved by definterleaved (#14)
• Implement the new sizes system in WizardIOP exporter
• Go -> zkGeth

Build

• Hide parser & exporters behind feature flags
• Simplify AVX feature gate

Ffi

• Add an error to string converter

Hack

• Temporary revert to old size scheme
• Disable target-cpu

Reverse

• No CPU-specific code

[8.0.0-rc] - 2023-05-25

Bug Fixes

• Do not hard fail on missing columns
• Missing spills
• Better implementation of pretty_with_base
• Fix parsing of hex & bin values
• Postgres feature
• Do not output SIZE constants for the wizard
• Flatten if within other function calls
• Missing case
• defpermutation failing on aliases
• Fail when defining invalid alias
• Insert constant symbols before computing them in a later pass
• Forgotten debug
• Besu templates
• Misunderstood SSE documentation
• Also convert padding to BE
• &str -> &[u8]
• Cross-module symbol referencing
• Insert array subcolumns earlier for easier lookup
• Global symbols lookup must start at the root scope
• Can address foreign symbols
• Introduce global/local scopes
• Ensure that JSON names are exported to the conflater
• Do not crash on empty loop bodies
• Warn when a constraint will not be checked

Documentation

• Explicit linking modes in Go example

Features

• Optimize trace expansion speed
• Add caching to JSON import/export
• Add a --fail-on-missing flag
• Add a :padding setting to columns
• Add a force-bool form
• Expose libcorset through FFI
• Leverage errno for error codes
• Implement reduce; re-organize function hierarchy
• Add todo form
• Add a debug command
• Accept hexadecimal and binary constants
• todo can take any number of arguments
• Add did-inc and did-dec to the stdlib
• Add either to the standard library
• Add a setting to set display base
• Improve debug output
• Add a trace-checking function to the FFI
• Expose a function to load the constraint system from a string
• Expand the FFI interface
• Add java export for zkBesu
• Improve LaTeX export
• Add more time-related logging
• Add (SIMD) big-endianness conversion in FFI
• Use simd_json for better performances when available
• Render plookups in debug mode
• Implement partially sorted permutation constraints
• Add a conflater-specific exporter
• Export AllColumns for zkGeth
• Warn when a for loop body evals to empty
• Add columns to the debugging output
• Emit warnings for useless use of force-bool
• Implement perspectives
• Add the ~ self-inversion operator

Miscellaneous Tasks

• Cleanup
• Formatting
• Clippy
• Update dependencies
• Clippy
• Update dependencies
• Add git-cliff as dependency
• Prettier debugger
• Clippy
• Update dependencies
• Release corset version 8.0.0-rc

Performance

• Parallelize columns rendering in FFI

Refactor

• Move read_trace to the compute module
• Split zkEVM parsing from trace computation in FFI
• Move symbol & computation tables to their own module
• Drop useless code
• Simplify unfallible function
• Simplify the zkGeth exporter
• Modularize errors
• Convert Expression::(Array)Column from tuple to struct
• Use sorbus to implement the scope tree

Build

• Always optimize dependencies

Debug

• Add logs

[7.1.0] - 2023-02-17

Bug Fixes

• Range number formatting in WizardIOP
• Programatically filled columns need a way to set a size factor
• Disable n-hood constraints in Wizard
• Pad columns of modules containing range proofs
• Padding value for Eq columns
• Padding for Eq columns
• The WizardIOP range constraints are <, not <=

Miscellaneous Tasks

• Clippy
• Release corset version 7.1.0

Refactor

• Simplify Wizard export of interleaved columns

[7.0.0] - 2023-02-13

Bug Fixes

• Double borrow
• Missing ID updates
• Edge cases in @ constraints for sorted columns
• Not typing
• Guard system
• Typing of Not

Features

• Add an alternative [X i] notation for array indexing
• Type now implements Ord
• Add private symbol tables
• Interleave can now take expression arguments
• Improve error handling for incorrect numeric values
• Enable more transformations for check-loop
• CheckLoop test all extensions

Miscellaneous Tasks

• Typo
• Release corset version 7.0.0

Refactor

• Streeamline types verification
• Minor factorization
• Add new errors
• New error type
• Re-organize transformations

Testing

• Fix regression

[6.2.0] - 2023-02-05

Bug Fixes

• Alias natural to integer
• Regression on supernumerary DEFUN arguments
• Wrong typing of array columns

Features

• Add the LET form
• Add the LEN builtin function
• Compute static expressions at compile time

Miscellaneous Tasks

• Release corset version 6.2.0

Refactor

• Introduce testing helpers

[6.1.0] - 2023-02-03

Miscellaneous Tasks

• Release corset version 6.1.0

Refactor

• Streamline the parsing phase
• Switch from Err(anyhow!(...)) to bail!(...)

[6.0.0] - 2023-02-02

Bug Fixes

• Unclutter lookup errors

Features

• Introduce a new :guard/:domain feature

Miscellaneous Tasks

• Reformat the stdlib
• Release corset version 6.0.0

Refactor

• Better variable name
• Drop ComputeLoop

[5.1.0] - 2023-01-28

Bug Fixes

• Inverted permutation definition
• Sort constraint should not fail when there is no padding
• Do not fail while validating too short cyclic columns
• Better error messages on empty columns
• Overflow in powers of 256 projected on isize

Documentation

• Add documentation to common types

Features

• Avoid useless shift in WizardIOP local constraints
• Implement the n-hood constraints
• Detailed debugging now works with negative indices
• Add a --pretty flag to the compiler
• Check in-range constraints
• Implement sort constraint proving
• Remove data generation not required by zkGeth anymore

Miscellaneous Tasks

• Renaming
• Add helper functions
• Clippy
• Go export of constraints is not required anymore
• Release corset version 5.1.0

Refactor

• Drop the make-decomposition builtin
• Consolidate post-compilation transformations

[5.0.1] - 2023-01-22

Bug Fixes

• Erroneous padding for Phantom columns

Miscellaneous Tasks

• Release corset version 5.0.1

[5.0.0] - 2023-01-20

Bug Fixes

• Do not crash at build if git fails

Features

• Sort expressions in failure traces
• Add a better debugging view
• Highlight failing path when debugging constraints
• Bold-ize the failing columns in traces
• Add a --rerun option to CheckLoop
• CheckLoop can now report
• Add the --debug-dim flag
• Implement the new generalist padding system

Miscellaneous Tasks

• Clippy
• Release corset version 5.0.0

Refactor

• Generalize the eval function
• Unify the debugging settings
• Tracing handling
• Split generator.rs

[4.0.0] - 2023-01-12

Bug Fixes

• Sparse checking output
• Forgotten arguments
• WizardIOP export
• Plookup rendering in WizardIOP
• In range constraints in WizardIOP
• Interleaved columns should actually exist
• Ensure that columns involved in permuations are marked as used
• Latest WizardIOP API
• Clearer names in WizardIOP
• Handle should be hashed on their name
• Revamp the padding system to handle dependencies
• Implement spilling in padding
• Solve constraint names overlaps

Features

• Improve SQL processing
• Keep track of wheter columns are being used in exporters
• Check inversion constraints when expanding
• Prettier WizardIOP names
• Add git hash in --version

Miscellaneous Tasks

• No need to export inlined constant in the WizardIOP
• Stderrlog -> buche
• Clippy
• Update dependencies
• Release corset version 4.0.0

Refactor

• Constraints are now identified by handle
• Cleanup

[3.2.1] - 2023-01-09

Features

• Only show error context when logLevel >= warn

Miscellaneous Tasks

• Release corset version 3.2.1

[3.2.0] - 2023-01-09

Bug Fixes

• Symbols with path should be resolved from the root context
• Clarify mangling

Features

• Specify which column failed importation

Miscellaneous Tasks

• Formatting
• Release corset version 3.2.0

[3.1.2] - 2023-01-07

Bug Fixes

• Remove use of bool::then_some for compatibility motives

Miscellaneous Tasks

• Release corset version 3.1.2

[3.1.1] - 2022-12-30

Bug Fixes

• Array columns are not double-declared anymore

Documentation

• Update README

Features

• Primes are accepted in symbol names

Miscellaneous Tasks

• Release corset version 3.1.1

[3.1.0] - 2022-12-29

Features

• Sort elements in WizardIOP export
• Pure functions can access constants

Miscellaneous Tasks

• Release corset version 3.0.0
• Release corset version 3.1.0

Refactor

• Overhaul implementation of typing system

Testing

• Add an if-eq-else test

[2.0.0] - 2022-12-18

Miscellaneous Tasks

• Release corset version 2.0.0

[1.2.0] - 2022-12-18

Bug Fixes

• Fix DEFUNALIAS
• Fix non-deterministic behavior due to hashmaps
• Fix Defconst
• Fix BranchIfElse
• Fix Go export
• Fix
• Fix module
• Fix multiple constants definition
• Fixed missing comma
• Fix naming conventions
• Fix inverted columns
• Fix columns computation steps ordering
• Fix mistake for in-range
• Fix relative indexing
• Fix relative indexing
• Fix constraint checking
• Fixes
• Fix negative moduli
• Fix ‶unreachable″ code
• Fix wrapping
• Fix go exporter
• Fix off-by-one error
• Fix wrong indices
• Fix Go export
• Fix permutation
• Fix padding
• Fix Binary/NOT padding
• Fix JSON export
• Fix
• Fix
• Fix missing initialization
• Fix
• Fix didnt-change
• Fix postgres
• Fix compile-time evaluation of constants
• Fix unused symbols detection
• Fix mangling
• Fix(?) JSON export
• Fix partial padding
• Fix binary/not padding
• Fix hashing of Handles
• Fix computation & export of columns
• Fix erroneous static if folding
• Fix
• Fix the computation not being shared across contexts
• Fix if-eq
• Fix padding of computed columns

Miscellaneous Tasks

• Release corset version 1.2.0