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diff --git a/NEWS b/NEWS index b50fef77..de348cc9 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,50 @@ +KLEE 2.1, 3 March 2020 +======================= +Incorporating changes from 20 March 2019 to 3 March 2020. +Maintainers during this time span: @ccadar and @MartinNowack +Documentation at http://klee.github.io/releases/docs/v2.1 + +== Major features == +- New container-based architecture for KLEE Web (@Denis-Gavrielov, @andronat) +- Changed the statistics framework to use SQL and improve klee-stats (@kren1, @251) +- Added Grafana visualisation to klee-stats (@gdish, @KennyMacheka, @kren1) +- Brought gen-random-bout up-to-date (@domainexpert) +- Fixed support for FreeBSD (@arrowd) +- Replaced signalling with synchronous checks for implementing timers (@251) +- Improved reference handling (ref<>) (@MartinNowack) + +== LLVM support == +- Added support for LLVM 9 and 10 (@jbuening) +- Removed support for LLVM <3.8 (@jbuening) +- KLEE 2.1 will be the last version with support for LLVM <6 + +== Options, scripts and KLEE intrinsics added, changed or removed == +- Replaced intrinsic klee_alias_function("foo", "bar") with option -function-alias=foo:bar, which supports regular expressions (@jbuening, @SolalPirelli) +- Removed -max-instruction-time (@251) +- Added -timer-interval (default 1s) to specify the minimum interval to check timers (@251) +- Added nurs:rp searcher which uses non-uniform random search with 1/2^depth (@kren1) +- Replaced the behavior of the nurs:depth searcher to use NURS with depth (@kren1) +- klee-stats: new --grafana option (see above) +- klee-stats: new --to-csv option for converting statistics to the CSV format (@251) +- klee-stats: removed --sample-interval, --sort-by, --compare-by, --precision. These can be now simulated by querying the SQL database directly (@kren1) +- klee-replay: added --keep-replay-dir option to keep the replay directory (@ccadar) + +== Other changes == +- Added support for llvm.fabs (@futile) +- Added support for saturated arithmetic intrinsics (@mateon1) +- Added support for llvm.objectsize (@MartinNowack) +- Added support for llvm.is.constant (@arrowd) +- Fixed bugs in --optimize-array (@kren1) +- Removed statistics limit from istats (@MartinNowack) +- Refactored PTree (@251) +- Improved klee-replay and made it safe to run multiple instances in parallel (@ccadar) +- Check if read-only objects are marked as symbolic (@MartinNowack) +- Allow main() with 3 arguments (@ccadar) +- Improved the structure of the codebase (@ccadar) +- Improved KLEE's CI build scripts (@MartinNowack, @jbuening) +- Smaller refactorings, fixes and improvements, test cases, maintenance, comments, web version, website, etc. (@251, @arrowd, @benquike, @ccadar, @cyberwookiee, @danielschemmel, @Denis-Gavrielov, @dependabot, @domainexpert, @futile, @gdish, @JasonPap, @jbuening, @jirislaby, @KennyMacheka, @kren1, @MartinNowack, @qurben) + + KLEE 2.0, 19 March 2019 ======================== Incorporating changes from 22 July 2017 to 19 March 2019 |