Release to come, what a nice changelog, thanks a lot to all contributors!

New features

• Print minimal amount of round brackets in sniper mode. (PR: feat: print minimal amount of round brackets in sniper mode #3823)
• Make sniper printer infer indentation style of compilation unit. (PR: review: feat: Make sniper printer infer indentation style of compilation unit #3717)
• Add CtModifiable#isTransient and related methods. (PR: feature: add CtModifiable#isTransient and related methods #3670)
• Add support for pretty-printing Java 15 text blocks. (PR: feature: add support for pretty-printing Java 15 text blocks #3664)
• spoon-smpl: Initial support for the semantic patch language (Credits: Mikael Forsberg). (PR: feat(spoon-smpl): initial support for the semantic patch language (Credits: Mikael Forsberg) #3282)

Breaking changes

• Use slf4j API instead of log4j-api. (PR: refactor: use slf4j API instead of log4j-api #3755) / Use self-defined logging level instead of org.slf4j.event.Level. (PR: fix: Use self-defined logging level instead of org.slf4j.event.Level #3796)
• Consolidate a consistent behavior for CtElement#getParent. (PR: fix: consolidate a consistent behavior for CtElement#getParent #3793)

Bug fixes

• Fix sniper printing of comments when changing modifiers. (PR: fix: Fix sniper printing of comments when changing modifiers #3701)
• Fix unqualified type reference in catch block becoming qualified. (PR: fix: Fix unqualified type reference in catch block becoming qualified #3800)
• Prevent ImportCleaner from importing inherited static methods. (PR: fix: Prevent ImportCleaner from importing inherited static methods #3798)
• Fix NPE due to duplicated package-info.java with setIgnoreDuplicateDeclarations(true). (PR: fix: Fix NPE due to duplicated package-info.java with setIgnoreDuplicateDeclarations(true) #3791)
• Search for packages in all available Java modules. (PR: fix: Search for packages in all available Java modules #3771)
• Correctly sniper-print type member comments after removal of all modifiers. (PR: fix: correctly sniper-print type member comments after removal of all modifiers #3747)
• ParentNotInitializedException in AbstractTypingContext. (PR: fix: ParentNotInitializedException in AbstractTypingContext #3741)
• Classpath mode logging in MavenLauncher. (PR: fix: classpath mode logging in MavenLauncher #3750)
• Fix sniper-printing of method imports. (PR: fix: Fix sniper-printing of method imports #3744)
• Custom URLClassLoaders are now actually used. (PR: fix: custom URLClassLoaders are now actually used #3818)
• Fix NPE in ReferenceBuilder#tryRecoverTypeArguments. (PR: fix: fix NPE in ReferenceBuilder#tryRecoverTypeArguments #3737)
• Avoid import duplication on unresolved imports. (PR: fix: Avoid import duplication on unresolved imports #3730)
• Source position when there is a comment character in annotation. (PR: Fix: source position when there is a comment character in annotation #3720)
• Fix pretty-printing of imports for static methods. (PR: Fix: fix pretty-printing of imports for static methods #3716)
• Dependency rg.tukaani:xz should have a test scope. (PR: fix: dependency rg.tukaani:xz should have a test scope #3832)
• Fix NullPointerException when allowing duplicate classes. (PR: fix: Fix NullPointerException when allowing duplicate classes #3709)
• Fix incorrect parent for type reference of a CtParameter. (PR: fix: fix incorrect parent for type reference of a CtParameter #3696)
• Fix Sniper printer failing to put added import statement on separate line. (PR: fix: Fix Sniper printer failing to put added import statement on separate line #3702)
• Fix NullPointerException in SniperJavaPrettyPrinter.printTypes. (PR: fix: Fix NullPointerException in SniperJavaPrettyPrinter.printTypes #3676)
• More resilient wrt to errors during shadow class building. (PR: fix: more resilient wrt to errors during shadow class building #3655)
• CtCase: Add fix for missing parents. (PR: Review: Fix(CtCase): add fix for missing parents #3695)
• pom.xml: Fix jar execution on Java 11. (PR: fix Jar execution on Java 11 #3678)
• sniper: Fix rounding error in indentation detection on single type member. (PR: review: fix(sniper): Fix rounding error in indentation detection on single type member #3722)

Refactoring

• Improve error message when sniper printer is set after building model. (PR: refactor: improve error message when sniper printer is set after building model #3694)
• Throw informative exception when sniper printing cannot be done. (PR: refactor: throw informative exception when sniper printing cannot be done #3764)
• Add support for malformed files through inheritance. (PR: refactor: add support for malformed files through inheritance #3668)
• Better name for spoon-control-flow. (PR: refactor: better name for spoon-control-flow #3665)
• ArchitectureEnforcer: Replace treeSet with hashset. (PR: refactor(ArchitectureEnforcer): replace treeSet with hashset #3661)
• javadoc: Remove old pair class and replace it with commons-lang3 class Review: refactor(javadoc): remove old pair class and replace it with commons-lang3 class #3660. (PR: Review: refactor(javadoc): remove old pair class and replace it with commons-lang3 class #3660)

Performance

• Move code outside loop in FileCompilerConfig.initializeCompiler. (PR: perf: move code outside loop in FileCompilerConfig.initializeCompiler #3815)
• Handle some concurrency in ModelSet. (PR: perf: handle some concurrency in ModelSet #3736)

Authors