v1.1.0

Added

• ** trait** — standard / contract pattern;
  implement once with , use in every entrypoint
• ** macro** — wires to any struct
• **** — load world from Soroban instance storage,
  returning a fresh empty world on first call
• **** — persist world to Soroban instance storage
• **** — store a rich component and emit a
  for off-chain indexers
• **** — remove a rich component and emit a event
• **** — new Soroban event type with topics
  for rich component change notifications
• ** example** — canonical Cougr starter game demonstrating the complete
  idiomatic pattern: + + typed ECS access
• ** re-exported from ** — import from
• **** — four pre-built ZK game builders (hidden cards, fog of war,
  fair dice, sealed bid) with pipeline-embedded verification keys
• **** — , , and (Beta)
• **** — , , and sandbox behind the
  feature
• Circom pipeline — with CI workflow and on-chain Groth16
  proof verification using real VKs
• ZK examples — , , , and
• Workspace subcrates — per ADR 0007

Changed

• example modernised: replaced ~200 lines of manual serialization with
  for and , and for
  load/save. Public API is unchanged; all existing tests pass
• README rewritten with clean 30-line quick start and full feature documentation

Stability Notes

• is Stable
• / are Stable
• / are Stable
• is Stable
• is Beta
• and embedded test VKs are Experimental
• is Experimental ( only)

---

What's Changed

• chore: add comprehensive research documents for Cougr roadmap by @salazarsebas in #30
• feat(core): implement P0 priority improvements — foundational ECS refactor by @salazarsebas in #31
• feat: core ECS improvements, ZK proofs, and smart accounts (P0+P1) by @salazarsebas in #32
• feat: ECS core enhancements, ZK proof system, and Smart Account abstraction by @salazarsebas in #33
• feat: complete ECS framework with ZK proofs, smart accounts, and 11 game examples by @salazarsebas in #34
• feat: implement Trading Card Game example with atomic BatchBuilder turns by @KevinMB0220 in #50
• fix: standardize cougr-core dependency declarations (#37) by @KaruG1999 in #51
• refactor: migrate Asteroids example to full ECS pattern #38 by @chukwudiikeh in #52
• feat: implement Geometry Dash rhythm platformer contract example by @Ryjen1 in #53
• feat: Angry Birds turn base by @anonfedora in #54
• feat: implement Tap Battle with passkey authentication by @JafetCHVDev in #60
• Implement bomberman logic by @Iwueseiter in #62
• Add dungeon crawler example with session keys documentation by @Mmesolove in #61
• Guild arena by @clintjeff2 in #59
• Feat/42 battleship pedersen merkle hidden board by @chukwudiikeh in #58
• feat: initial setup for chess ZK circuit and example structure by @chukwudiikeh in #56
• Feat/43 rps poseidon commit reveal by @chukwudiikeh in #57
• feat: Add Connect Four on-chain game example by @abdulomeiza in #83
• Feat/implement minesweeper by @abdulomeiza in #84
• feat(example): add proof_of_hunt with stellar-zk flow and x402 premiu… by @Spagero763 in #85
• feat: implement Reversi with board flipping and positional scoring by @miguelnietoa in #88
• Feat/ai dungeon master arena by @KevinMB0220 in #87
• feat: implement Sudoku with constraint validation and deterministic puzzle state by @miguelnietoa in #90
• feat: implement Shadow Draft Card Game with stellar-zk hidden hands a… by @KevinMB0220 in #94
• feat: implement Guild Treasury Wars with DAO-governed factions and stellar-zk commitments by @JafetCHVDev in #89
• Add treasure_hunt Merkle-map Soroban example by @Abidoyesimze in #91
• bomberman enhancements by @Iwueseiter in #93
• feat: implement Checkers with forced captures and promotion rules by @pheobeayo in #95
• Add tower defense example with contract, tests, README, and CI workflow by @od-hunter in #96
• feat: add cross-asset racing league Soroban contract example by @kingjosmel in #92
• feat: implement memory match contract using Cougr ECS framework by @abdulomeiza in #108
• feat(accounts): introduce kernel-based intent authorization by @salazarsebas in #107
• feat: complete privacy phases 2 and 3 and release v0.3.0 by @salazarsebas in #111
• [chore] add reusable standards layer by @salazarsebas in #112
• feat: curate Cougr 1.0 surface, modularize core, and stabilize CI by @salazarsebas in #104
• chore: fix the error on guild treasury wars example by @salazarsebas in #113
• chore: add crates.io publish workflow by @salazarsebas in #114
• Use published Cougr in tetris and tic tac toe examples by @pheobeayo in #138
• Use published cougr-core in asteroids and bomberman examples by @Simongodw in #149
• #133 Use published Cougr in treasure hunt example - Replace local pat… by @boalambo in #148
• Use published cougr-core in connect four and racing examples by @Simongodw in #146
• Use published cougr-core in AI dungeon and shadow draft examples by @Simongodw in #145
• #130 Use published Cougr in sudoku and tap battle examples by @boalambo in #144
• Use published cougr-core crate in reversi and rock_paper_scissors exa… by @boalambo in #142
• Use published cougr-core in flappy bird and geometry dash examples by @Simongodw in #147
• Refactored bomberman and trading card examples by @ayo-ola0710 in #152
• feat(examples): add EXAMPLE_STANDARD.md and update README by @xJeffx23 in #153
• feat: Use published cougr-core crate in pac_man and pokemon_mini exam… by @boalambo in #155
• clean example artifacts and robustly ignore target directories (#117) by @Jopsan-gm in #140
• Feature/issue 125 use published cougr-core in memory_match and minesweeper examples by @Jopsan-gm in #141
• refac: cross asset racing league and pac man by @Iwueseiter in #156
• fix(examples): use published cougr-core crate in snake and space_invaders(#129) by @JohnOluB in #157
• fix(examples): use published cougr-core crate in battleship and chess by @JohnOluB in #158
• fix(examples): add cougr-core dependency to checkers by @KevinMB0220 in #159
• fix: update cougr-core version to 1.0.0 in pong and proof_of_hunt exa… by @ghost-cy829 in #163
• fix: update cougr-core to published version 1.0.0 by @ghost-cy829 in #166
• fix: update cougr-core from path to published version 1.0.0 by @ghost-cy829 in #165
• fix: update cougr-core from path dependency to published version 1.0.0 by @ghost-cy829 in #164
• Full documentation and README by @quickweb-stack in #179
• Visual design and noir theme by @RemmyAcee in #180
• Implement Murdoku puzzle registry and creator contract by @CHKM001 in #182
• [murdoku] Privacy enhancement — commit-reveal solution with ZK verification #177 by @Darkvader-ship-it in #186
• feat(murdoku): implement core data model and ECS components (#168) by @CHKM001 in #187
• Implement frontend play mode UI with contract integration and hooks by @nonchalanttee22-lgtm in #185
• [murdoku] Session keys and Pollar wallet authorization: add session auth implementation by @jotel-dev in #183
• Murdoku frontend scaffolding pollar login by @jotel-dev in #188
• feat: Murdoku puzzle creation UI (closes #175) by @temisan0x in #181
• Contract test suite and CI workflow by @David-Adegboyega in https://github.com/salazarseba...

v0.0.2

What's Changed

Examples & CI Overhaul

• Updated soroban-sdk to 25.1.0 across cougr-core and all 11 game examples
• Standardized cougr-core import to branch = "main" git reference in all examples
• Fixed code issues: clippy warnings, formatting, missing overflow-checks in release profiles
• Rewrote all 11 CI workflows with optimized single-job template:
  • macOS runner with brew install stellar-cli
  • dtolnay/rust-toolchain@stable + Swatinem/rust-cache@v2
  • Both wasm32-unknown-unknown and wasm32v1-none WASM targets
  • Path filters (only triggers when example files change)
  • All 5 checks: cargo fmt, cargo clippy, cargo build, cargo test, stellar contract build
• Added missing tic_tac_toe workflow
• Removed deprecated pong-contract.yml (replaced by pong.yml)

All 11 Examples Passing CI

Example	fmt	clippy	build	test	stellar build
arkanoid	✅	✅	✅	✅	✅
asteroids	✅	✅	✅	✅	✅
bomberman	✅	✅	✅	✅	✅
flappy_bird	✅	✅	✅	✅	✅
pac_man	✅	✅	✅	✅	✅
pokemon_mini	✅	✅	✅	✅	✅
pong	✅	✅	✅	✅	✅
snake	✅	✅	✅	✅	✅
space_invaders	✅	✅	✅	✅	✅
tetris	✅	✅	✅	✅	✅
tic_tac_toe	✅	✅	✅	✅	✅

Full Changelog: v0.0.1...v0.0.2

Alpha Release

v0.0.1

Cougr v0.0.1