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diff --git a/NEWS b/NEWS index 4af44e3c..54296d89 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,41 @@ +KLEE 3.1, 29 February 2024 +========================== + +Incorporating changes from 8 June 2023 to 29 February 2029. +Maintainers during this time span: @ccadar, @MartinNowack, @251. +Documentation at http://klee.github.io/releases/docs/v3.1 + +== Major features == +- KDAlloc is now the default allocator in KLEE (KDAlloc was introduced in KLEE 3.0) +- New execution tree implementation and klee-exec-tree tool (@251) +- Resolve memory reads/writes to single objects in more cases (@tkuchta) +- Concretize values based on seeds when available (@ccadar) + +== LLVM support == +- Current recommended version is still LLVM 13 +- Added support for LLVM 15 and 16 (@MartinNowack) +- Removed support for LLVM <11 (@danielschemmel) +- KLEE 3.1 will be the last version with support for LLVM <13 + +== Options, scripts and KLEE intrinsics added, changed or removed == +- New klee-exec-tree tool (@251) +- New --write-exec-tree and --exec-tree-batch-size options (@251) +- Renamed --compress-process-tree to --compress-exec-tree (@ccadar) +- PTree is now called ExecutionTree in the code (@ccadar) +- KDAlloc (--kdalloc) is now enabled by default (@ccadar) +- Replaced --suppress-external-warnings and --all-external-warnings with --external-call-warnings=none|once-per-function|all (@ccadar) +- Keep in the KLEE and Kleaver help menus only the KLEE/Kleaver option categories (@ccadar) +- Removed --cex-cache-exp, a broken experimental optimisation for validity (@ccadar) +- Removed --zero-seed-extension, and merge it with --allow-seed-extension (@ccadar) + +== Other changes == +- Fixed some interactions with external code (@ccadar, mishok2503) +- Improvements to KDAlloc (@danielschemmel) +- Avoid generating array names in solver builders that could accidently collide (@MartinNowack) +- Function has_permission in the POSIX model now returns permission error a single time in symbolic execution mode (@ccadar) +- Smaller refactorings, fixes and improvements, test cases, maintenance, comments, web version, website, etc. (@251, @ccadar, @dependabot, @danielschemmel, @davidtr1037, @jbuening, @marco6, @MartinNowack, @McSinyx, @sp1ff) + + KLEE 3.0, 7 June 2023 ===================== |