CHANGELOG.md

Pelita changelog

• v2.7.0 (29. Jul 2026)

  • Remove the concept of non-fatal errors: Timeouts are now fatal!
  • Rename Bot.error_count to Bot.timeouts
  • Better maze generation
  • New Bot.paint_background
  • New --debug flag to start TKviewer in debug mode
  • Small layouts are bigger and big layouts are smaller
  • Threaded CI engine
  • Remove \x04 character from JSONL output

• v2.6.0 (24. Sep 2025)

  • Increased bot shadow distance to 2
  • Changed behaviour of cascade kill
  • Added history viewer to Tk
  • Improved stability of the network protocol
  • Introduced game_phase attribute to game state
  • Maze generation improvements
  • Be more strict in what characters bot.say accepts
  • Changed distribution of teams in the knock-out round
  • Keep square aspect ratio in Tk UI
  • Removed compatibility for Python 3.9
  • Introduced game_uuid

• v2.5.3 (28. May 2025)

  • Redesigned status area
  • Tkinter buttons and backgrounds are not colourised anymore on macOS

• v2.5.2 (5. May 2025)

  • On-the-fly layout generation
  • On-the-fly food distribution with --food
  • Removal of built-in layouts
  • Making illegal moves a fatal error
  • Added Bot.has_exact_position attribute
  • Improved Bot.repr
  • New --store-layout option
  • New --stop-after-kill option
  • Grid labels
  • New --standalone-mode in tk viewer, enabling user-configured overlays on the maze
  • Improved internals

• v2.5.1 (09. Oct 2024)

  • 1000 new layouts with dead ends
  • Matches will be played on a maze with dead ends/chambers with 25% chance
  • Reduced the radius of the food shadow
  • Streamlined handling of random numbers and seeding

• v2.5.0 (08. Aug 2024)

  • Food ageing and relocation to discourage camping strategies
  • New attribute bot.shaded_food
  • Fullscreen mode added to UI
  • Enhanced CI engine
  • New and enlarged collection of layouts
  • New attribute bot.team_time in bot
  • Add send queue to server to avoid stalling
  • Fewer failures in Github CI

• v2.4.0 (23. May 2024)

  • Greatly improved server mode
  • Bot.legal_positions becomes a static attribute
  • Bot has a new cached attribute graph
  • Small timeout improvements

• v2.3.2 (16. Oct 2023)

  • Give advice when tkinter is not available
  • Fix colours in --ascii mode on Windows
  • Improved --progress bar

• v2.3.1 (2. Sep 2023)

  • Tournament can be configured to include name of host and local salutation

• v2.3.0 (31. Aug 2023)

  • Switching to pyproject.toml
  • Bot.walls and Bot.homezone are tuples of tuples for reproducibility

• v2.2.0 (08. Sep 2022)

  • Do not have a team play two matches in a row during round-robin mode
  • Show the tournament group names in the UI and on the CLI
  • Automatic detection of network players via zeroconf

• v2.1.0 (25. Sep 2021)

  • Bot API uses a fixed state dict instead of returning (position, state)
  • Layout unification: Use a,b,x,y as Bot characters instead of indexes
  • Adding shape tuple to API
  • Walls/Homezone are stored in a set for faster lookup
  • Improved debug UI
  • Changed primary branch to ‘main’
  • Use Gitlab CI actions instead of travis

• v2.0.1 (27. Sep 2019)

  • Fixes a bug in Tk

• v2.0.0 (3. Sep 2019)

  • Major rewrite to functional Bot API (no more AbstractPlayer)
  • Major rewrite of Pelita core

• v0.9.2 (29. Oct 2018)

  • Bug fixes and API improvements

• v0.9.1 (18. Jan 2018)

  • Minor API changes and bug fixes

• v0.9.0 (31. Aug. 2017)

  • Python 3
  • Pelita is installable with setup.py

• v0.2.0 (7. Sep. 2012)

  • Revised actor model to use zmq

• v0.1.1 (23. May 2012)

  • Fixes and updates

• v0.1.0 (21. Sep. 2011)

  • First usable version

• v0.0.0 (1. Jun. 2011)

  • Initial commit of this repo