• Implemented batching for GPUs, increasing speed.
• Added support for Tensor Cores on NVIDIA cards.
• Optimized Winograd code for CPU and GPU.
• Improved UCT formula.
• Improved root move selection by using Lower Confidence Bounds.
• Improved passing heuristics (disabled in self-play).
• Improved autotuner behavior in edge cases.
• The training code now supports mixed precision fp32/fp16 training.
• AutoGTP can now start from an arbitrary SGF position.
• AutoGTP can now play matches with different white/black parameters.
• AutoGTP can now send initial commands to the engine.
• AutoGTP now provides the full engine options in the SGF comments.
• AutoGTP now uses batching during self-play.
• GTP: Add support for gomill-explain_last_move.
• GTP: lz-analyze and lz-genmove_analyze now support an avoid tag.
• GTP: lz-analyze and lz-genmove_analyze now support a minmoves tag.
• GTP: lz-analyze and lz-genmove_analyze now support a (post) interval tag.
• GTP: loadsgf and printsgf can now save and load time control information.
• Bugfix: lz-setoption name playouts now works correctly.
• Bugfix: in analysis mode, provide output even if we did not have to search.
• Bugfix: detect if the weights file is for the wrong board format.
• Bugfix: bail out if OpenCL doesn't find a GPU (instead of using OpenCL-on-CPU).

• Added support for lz-analyze and lz-genmove_analyze GTP extensions.
  They provide real time information about the search and can be used by GUIs.
• Added support for lz-setoption to change options without restarting.
  Support setting max memory usage, visits, etc.
• Implemented Winograd F(4x4, 3x3) for CPU and GPU, speeding up large networks.
• Symmetrical positions in the opening are now recognized and sped up through mirroring/rotations.
• Storing coefficients in fp16 format is automatically enabled if it is faster.
• Support for fp16 compute. Large speedup on cards with fp16 compute support.
• Improved scaling of MCTS search with large number of threads.
• Added specific time management for self-play training games.
• Bugfixes to SGF parsing.
• Bugfixes to GTP compatibility.
• AutoGTP: support compressed weights, removing the need to ungzip.
• AutoGTP: use HTTPS.
• Validation: support arbitrary GTP commands for each binary.
• Training code now supports multi-GPU.
• Bundled OpenBLAS is updated with support for new CPUs.
• (Open)BLAS is no longer required for compiling.

Note 2018-11-01: ZIP packages have been re-uploaded with missing gzip added.

This is a bugfix release for training game generation.

• Bugfix to Dirichlet noise being more uniform than intended (bug was introduced in v0.13).
• Tweaks to randomized move selection in training games to reduce needless blunders. Added extra options.

• Support for converted ELF Open Go networks.
• Network files no longer need to be ungzipped.
• Improved time usage.
  • Slowed down play, more consistent time usage from opening to middle game.
  • By default no longer exits early in fixed playouts or in Japanese byo yomi.
  • The engine will respond faster on large searches, tree cleanup happens in the background.
• Memory usage for large searches further reduced.
• Fix a bug in the locking implementation that could lead to data races.
• Default tuning is faster and will select faster kernels on most devices.
• Various other small fixes and improvements.

• Added --benchmark option.
• Improved strength on long/deep searches, reduced memory usage.
• Improved time management logic.
• AutoGTP now cleans up old networks.
• Optimizations for CPU-only version, about 10% speedup.
• Bugfix: self-play games are now more diverse because "noise" moves are no longer pruned.
• Bugfix: pondering now respects playout/visit limits.

• Optimized, fused Winograd transforms.
• Optimized final convolutions and OpenCL data transfer.
• Basic time management logic for non-self-play games.
• Stronger search due to improved FPU calculation.
• AutoGTP supports stop/resume (try q+Enter).
• Replace transposition table by network cache.
• Bugfixes to time management with tree reuse.
• Avoid some crashes on buggy OpenCL drivers.
• Avoid crashes when the user/GUI plays an illegal move.

• Faster network evaluation with Winograd transforms.
• OpenCL code now automatically tunes to the hardware on first run.
• Search tree is reused between moves.
• Support for multiple GPU when playing games.
• Various AutoGTP fixes and enhancements.

• Make OpenCL self-check failures more visible.
• Work around an issue with OpenBLAS & threading.

• Speedups and bugfixes to the Leela Zero engine.
• GPU version now checks OpenCL implementation for correctness.
• CPU-only version for people without usable GPU.
• AutoGTP now fetches self-play or match tasks and parameters from the server.
• Updated OpenBLAS to 0.3.0-dev with support for newer CPUs.

• Fixes the noise generation for policy priors.
• Improved handling of random seeding.