v0.4.8

What's Changed

• docs: Tweak RULES.md by @Apricot-S in #190
• fix: disambiguate select_action_from_mjai with tsumogiri/consumed (#195) by @smly in #201. reported by @zl0v7hzr
• fix: restrict riichi_stage discards to tenpai-maintaining tiles by @smly in #202. reported by @iranzai and @zl0v7hzr
• fix: reinit wall.drawable_count in StartKyoku replay handler by @smly in #203. reported by @oshizo

New Contributors

• @Apricot-S made their first contribution in #190

Full Changelog: v0.4.7...v0.4.8

v0.4.7

What's Changed

• fix(3p): correct dead wall layout and rinshan draw logic (#183) by @smly in #186 (reported by @shinkuan)
• fix: record events in mjai_log for apply_event/observe_event (#184) by @smly in #187 (reported by @Sevoii)
• fix: prevent underflow in ukeire calculation by @smly in #189

Full Changelog: v0.4.6...v0.4.7

v0.4.6

What's Changed

• fix: avoid impossible ukeire draws in shanten efficiency by @hong0311 in #172
• fix(shanten): correct ukeire over-counting by subtracting hand tile copies by @smly in #174
• fix: Fix index out of bounds in shanten table when encoding 14-tile hands by @smly in #178
• fix(3p): resolve North tile from hand in handle_kita to prevent hand corruption by @smly in #180
• fix: Add MJAI round-trip validation and fjix mask consistency assertion by @smly in #181
• feat(pyi): Export Observation3P and add docstrings by @smly in #177
• refactor: reduce boilerplate, replace unwrap, and extract constants by @smly in #175
• docs: add CONTRIBUTIONG.md by @smly in #176

Full Changelog: v0.4.5...v0.4.6

v0.4.5

What's Changed

• fix(core): Add pass observations for replay training, observe_event API, and fix stale legal_actions by @smly in #169
• fix(core): Add missing Kita variant to ActionType and adopt SCREAMING_SNAKE_CASE by @smly in #170 (Reported by @shinkuan)

Full Changelog: v0.4.4...v0.4.5

v0.4.4

What's Changed

• Fix MJAI replay start_kyoku wall initialization by @hong0311 in #162
• Fix: Missing kita action mapping in 3P observation Python bridge by @smly in #164 (reported by @shinkuan @Apricot-S)
• Fix: Use kan tile as winning tile for chankan ron in end_kyoku modal by @smly in #165 (reported by @Apricot-S)

New Contributors

• @hong0311 made their first contribution in #162

Full Changelog: v0.4.3...v0.4.4

v0.4.3

What's Changed

• fix(core): Fix orasu dealer end-game conditions for 4p and 3p by @smly in #160

Full Changelog: v0.4.2...v0.4.3

v0.4.2

What's Changed

• fix(replay): Fix MJAI replay riichi deposit accounting to preserve start-of-round liqibang by @smly in #156
• fix: keep nukidora count accurate and clear stale round deltas in MJAI logs by @smly in #157
• fix(ui): highlight only opponents' waits as dangerous tiles in hands by @smly in #158

Full Changelog: v0.4.1...v0.4.2

v0.4.1

What's Changed

• fix(wasm): use 3-player hand evaluator for sanma score calculation in WASM by @smly in #153
• fix(replay): preserve post-reach state for pending discard steps by @smly in #152
• docs: align core/dev guides with current feature flags and wasm exports by @smly in #154

Full Changelog: v0.4.0...v0.4.1

v0.4.0

What's Changed

• feat: UI/UX improvements — player customization, 3D meld rendering, control panel, and game analysis API by @smly in #150
• refactor: make riichienv-ui a reusable embeddable component by @smly in #146
• fix: apply highlight overlay to side faces of 3D tiles (#133) by @smly in #147
• fix(ui): fix kan tile display and improve 3D tile rendering for face-down tiles by @smly in #149
• chore: bump version to 0.4.0 by @smly in #151

Full Changelog: v0.3.7...v0.4.0

v0.3.7

This release includes numerous bug fixes and improvements for 3-player mahjong (sanma) support.

Features

• Add game visualizer with kita (pei) mechanics and 3-player mode support by @smly in #140
• Add AgentEvaluator for hero model evaluation by @smly in #136
• Update Rust edition to 2024 and upgrade dependencies by @smly in #138

Bug Fixes

• Fix relative seat ordering in v2 encoder channels by @smly in #143
• Correct han-comment positions and wind yaku English names by @smly in #144
• Correctly handle babei (kita) actions in replay iterators by @smly in #141
• Fix kita/kan edge cases in hand evaluation and state tracking
• Clamp turn_progress in Python shanten wrappers
• Clarify and enhance env.reset() method for hanchan initialization by @smly in #142
• Ensure correct 3P conditions for hand evaluation

Other

• Add Renovate for unified dependency updates
• Centralize Rust toolchain version in rust-toolchain.toml
• Clean up Python build config and linting settings by @smly in #139 (thanks @Apricot-S for many helpful suggestions!)

Full Changelog: v0.3.6...v0.3.7