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UPGRADE7.md

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Common 7.0 Upgrade Gotchas - DRAFT -

Experienced while upgrading modules for Grails 7

  • h2 2.x is stricter about reserved words
  • GROOVY-10621
    • Primitive booleans will no longer generate the form of isProperty & getProperty. They will only generate isProperty()
  • The amount of boilerplate required in gradle files has been reduced:
    • When org.grails.grails-plugin gradle plugin is applied, the bootJar task is disabled by default. No more needing to explicitly set it to false!
    • We no longer have a micronaut-bom and a spring-bom. We only have the spring-bom now, which allows grails-bom to inherit from it and be applied as part of the Spring Dependency Management plugin. This means versions do not need included for any library in the bom. Override bom versions via gradle properties.
    • The grailsPublish plugin returns and is no longer an internal only plugin. It has been enhanced to work with some multi-project workflows. Eliminate publishing boilerplate of the nexus-publish, maven-publish, & signing plugin by adopting it.
  • Jar artifacts produced by Grails Plugins will no longer have the suffix -plain
  • GROOVY-5169 GROOVY-10449
    • Fields with a public modifier were not returned with MetaClassImpl#getProperties() in groovy 3, but are now.

NOTE: This document is a draft and the explanations are only highlights and will be expanded further prior to release of 7.0.

New Features

  • grails-gsp #551 adopts a formActionSubmit tag to replace actionSubmit. Dispatching actions via a parameter name on a form submit will be removed in a future version of grails.

Cool New Features

  • You can now @Scaffold Controllers and Services and virtually eliminate any boiler plate code.
  • Hello Exterminator, Good by bugs! Lot's of things started working... and working well! For instance, use of controller namespaces now work seemlessly.
  • Bootstrap 5.3.3 support. Saffolding and Fields tags now optionally support boostrap classes.
  • Priortization of AutoConfiguration over bean overriding.
  • Lightweight, Removal of numerous dependencies.
  • grails-bom overhaul for keeping depedencies up to date and in sync.
  • g:form now automatically provides csrf protection when Spring Security CSRF is enabled.
  • Massive decoupling of dependencies and cleanup between modules. SiteMesh dependencies are no longer compiled into controllers fused between numerous modules. SiteMesh isn't even required to use Grails!
  • SiteMesh ahs been upgrade to SiteMesh 3!
  • Completely up to date modern stack that has been optimized for easier future transitions.
  • GSP can now be used OUTSIDE of Grails! see grails-boot
  • Works with Spring Security 6 out of the box. No plugin needed!
  • Tested and works with Java 17-23 grails-core and grails-functional-tests