v1.8.0-alpha

Features

• Configurable Pings: Ping times are now adjustable.
• Overwrite Support: Added append=false for PGN, EPD, and log files.
• Updates: Bumped chess-lib to 0.8.20.

Fixes & Refactors

• Stability: Fixed crashes related to compliance tests, NaN sorting, and "Out of Bounds" errors.
• Process Handling: Major overhaul of POSIX process management and error propagation.
• UCI Improvements: Better parsing safety and separation of stdout/stderr.
• Platform: Fixed macOS dir usage for engines.

v1.7.0-alpha

What's Changed

• refactor: replace raw new[] with std::make_unique in getCpuInfo by @Adi-183 in #920
• fix: set chess960 mode when parsing pgn book by @Disservin in #921
• fix: set process affinity upon match start by @JoostHouben in #924
• fix: gettid is not available in older glibc versions by @AndyGrant in #926
• perf: minor improvements in parse function by @Adi-183 in #927
• chore: update manual by @dav1312 in #928
• refactor: use non exact score if no exact score reported by @Disservin in #929
• refactor: add custom exception by @Disservin in #930
• refactor: cli parser by @Disservin in #931
• refactor: include engine output in compliance test by @Disservin in #932
• fix: skip info string lines by @Disservin in #934
• refactor: cleanup engine usage by @Disservin in #935
• fix: don't try to set affinity when not specified by @Disservin in #936
• fix: write stop before writing quit by @spinojara in #941
• fix: dont attach illegal moves to pgn by @Disservin in #943
• refactor: improve pgn generator by @Disservin in #944
• refactor: cleanup code by @Disservin in #945
• refactor: group score together by @Disservin in #946

New Contributors

• @Adi-183 made their first contribution in #920
• @dav1312 made their first contribution in #928

Full Changelog: v1.6.0-alpha...v1.7.0-alpha

v1.6.0-alpha

Bug fix release which will prevent zombie processes when fastchess itself is sigkilled.
Also fixes a bug which causes fastchess to segfault when an engine crashes with the recover option set.

What's Changed

• fix: Close fds in child processes by @MinetaS in #914
• fix: make sure the engine executable exists by @leofracca in #913
• fix: update engine pointers when engine crashes by @MinetaS in #915

New Contributors

• @MinetaS made their first contribution in #914
• @leofracca made their first contribution in #913

Full Changelog: v1.5.0-alpha...v1.6.0-alpha

v1.5.0-alpha

New Features

• Gauntlet tournaments - Test one engine against multiple opponents
• CPU affinity control - Specify exact CPU cores with -use-affinity
• PV tracking in PGN - Include engine analysis in game records
• Opening metadata - ECO codes and opening names in PGN output
• PATH engine resolution - Launch engines from system PATH

Improvements

• General affinity related improvements
• Better engine error reporting and compliance checking
• Improved thread management and scheduler refactoring
• Total tournament time output
• Multi-engine output alignment
• More release artifacts, including windows arm and linux arm & riscv
  linux binaries are now statically linked with musl

Bug Fixes

• Corrected PGN move number errors

Breaking Changes

• --force-concurrency option renamed to -force-concurrency
• stricter ep passant handling, see #375
  only concerns engine authors not consumers

Contributors

New: @spinojara, @Matthies, @AndyGrant
Thanks!

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Full Changelog: v1.4.0-alpha...v1.5.0-alpha

v1.4.0-alpha

What's Changed

• fix: stoi exception when nps is too high by @gahtan-syarif in #824
• fix: compilation with zlib
• fix: avoid crash with invalid opening book
• fix: always use UTC offset in pgn headers for datetime values
• feat: add support for gzipped books by @robertnurnberg in #829

Full Changelog: v1.3.0-alpha...v1.4.0-alpha

v1.3.0-alpha

Changes

• Couple of minor bug fixes
• Couple of QoL changes
• Added crc32 checksum verification
• Only use LF for PGN Files
• Fixed Windows Support for more than 64 threads
• Added Syzygy TB

New Contributors

• @87flowers made their first contribution in #794
• @JoostHouben made their first contribution in #817

Full Changelog: v1.2.0-alpha...v1.3.0-alpha

v1.2.0-alpha

• A few quality of life improvements
• added restart option
• bug fixes

Full Changelog: v1.1.0-alpha...v1.2.0-alpha

v1.1.0-alpha

• fix ctrl-c not stopping a tournament

v1.0.0-alpha

• Support multiple engines for round-robin tournaments

v0.9.0-alpha

What's Changed

• multiple different fixes to how matches are played
• improved logging
• improved debug functionality for engine devs

Full Changelog: v0.8.2-alpha...v0.9.0-alpha