# Changelog

All notable changes to this project will be documented in this file.

## 0.1.2 - 2026-06-12

### Bug Fixes

- fix: release generated CHANGELOG at the wrong location
- fix(gaussian): treat non-positive precision as improper in mu()/sigma()

### Documentation

- docs: spec for post-T4-MarginFactor tech debt cleanup
- docs: implementation plan for post-T4-MarginFactor tech debt cleanup
- docs: fix stale numerics in t4-margin-factor plan
- docs: spec for game-local Damped EP
- docs: implementation plan for game-local Damped EP
- docs: spec for History → TimeSlice ConvergenceOptions plumbing
- docs: implementation plan for History → TimeSlice plumbing
- docs: spec for per-event score_sigma override
- docs: implementation plan for per-event score_sigma override

### Features

- feat(gaussian): add damp_natural helper for EP damping
- feat(convergence): add ConvergenceOptions::alpha damping field
- feat(factor): add TruncFactor::propagate_with_alpha for EP damping
- feat(factor): add MarginFactor::propagate_with_alpha for EP damping
- feat(game): plumb ConvergenceOptions through to run_chain
- feat(time_slice): inference callsites read self.convergence
- feat(outcome): per-event score_sigma override on Outcome::Scored
- feat(event_builder): expose scores_with_sigma fluent method

### Refactor

- refactor: dedupe Game::likelihoods and likelihoods_scored via run_chain
- refactor: make BuiltinFactor::log_evidence match exhaustive
- refactor(time_slice): add convergence field, rename iterate_to_convergence

### Testing

- test(game): integration tests for ConvergenceOptions behavior
- test(history): end-to-end ConvergenceOptions propagation tests
- test(history): end-to-end per-event score_sigma override tests

## 0.1.1 - 2026-04-27

### Miscellaneous Tasks

- chore: Release trueskill-tt version 0.1.1

### Other (unconventional)

- T0 + T1 + T2: engine redesign through new API surface (#1)
- T3: rayon-backed concurrency (opt-in) (#2)
- T4 (MarginFactor): scored outcomes via Gaussian-margin EP evidence

## 0.1.0 - 2026-04-23

### Features

- feat: added a Drift trait and a "default" ConstantDrift implementation

### Miscellaneous Tasks

- chore: added cliff.toml, release.toml and rustfmt.toml
- chore: clean up
- chore: make cargo release add CHANGELOG.md before commit
- chore: do not publish

### Other (unconventional)

- Initial commit.
- Begin working on batch.
- Passing tests for Batch
- Working on History struct. First test is passing.
- More test passing for History
- Added more functions to History
- Remove Display impl, better to use Debug
- Use flatten instead of flat_map
- Handle case where there is no time
- It works, or so it seems
- Use PlayerIndex instead of String
- Inline a lot of functions
- Refactor some code
- Refactor some stuff
- Port from julia version instead
- More things, better things, awesome
- More tests, more code
- More things, more tests
- Fix tests
- More tests
- More tests
- Added builder for History, and start migrating test to use builder instead.
- Update test to use builder
- Remove unused code
- Use and Index struct instead of str and String for player id
- Update example so now it works, and thats, well, good
- Update test to use assert_ulps_eq
- Fixed test
- Change time to use i64 instead of u64
- Small change
- Clean up example
- Update crates and added methods to get a key or all keys in an IndexMap
- Added a get function to IndexMap
- Agents doens't have to be behind a mutable reference in within_prior
- Agents doens't have to be behind a mutable reference in within_priors
- Refactor so we can see if there is any way to improve the performance
- Fix clippy warning
- More refactoring
- Remove warnings and refactor some code
- Added benchmark for Batch
- Added default implementation for TeamMessage
- Remove unused mut reference
- Make it more rusty
- More rustifying
- Small refactor
- Rename d to diff, and t to team
- Added more links to readme
- Fix broken link in README
- Update crates
- Clean up
- Dry my eyes
- Remove unnecessary allocations
- Fix clippy warning
- Refactor history
- Rename variables
- Move stuff around
- Added quality function
- Make quality a free standing function instead
- Improve performance
- Change assert to debug_assert
- Added todo to readme, and documentation for quality function
- Basic test for quality
- Ignore temp folder
- Update edition
- Small changes for new 2024 edition
- remove notepad
- added benchmark

### Styling

- style: cargo fmt

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