v0.4.2

What's Changed

• Bump 0.4.2.dev0 by @burtenshaw in #919
• Fix release bump by @burtenshaw in #920
• Make doc builds faster by @mishig25 in #923
• chore(deps): aggregate core dependabot updates by @burtenshaw in #930
• Fix snake environment package import by @burtenshaw in #932
• chore(deps): bump gradio from 6.12.0 to 6.15.1 in /envs/textarena_env by @dependabot[bot] in #968
• chore(deps): bump gradio from 6.12.0 to 6.15.1 in /envs/sumo_rl_env by @dependabot[bot] in #967
• chore(deps): aggregate core dependabot updates by @burtenshaw in #963
• Add Tinker ECHO example by @burtenshaw in #971
• chore(deps): bump actions/setup-python from 6 to 7 by @dependabot[bot] in #995
• Fix local Echo example MCP usage by @burtenshaw in #990
• chore(deps): bump mcp from 1.27.0 to 1.28.1 in /envs/textarena_env by @dependabot[bot] in #994
• fix(tbench2_env): canonical test.sh scoring, real timeouts, task-image workdir by @nblintao in #965
• fix(tbench2_env): keep verifier assets out of the agent's reach by @nblintao in #972
• chore(deps): aggregate envs dependabot updates by @burtenshaw in #921
• Add HFSandboxBackend for the OpenCode harness by @sergiopaniego in #998
• feat(env-client): sync bootstrap constructors + public base_url (#935) by @OfficialAbhinavSingh in #959
• Refactor web interface Gradio block assembly by @burtenshaw in #989
• Refactor init template path resolution by @burtenshaw in #969
• refactor build command assembly by @burtenshaw in #973
• refactor push Dockerfile rewrite helper by @burtenshaw in #964
• Fix local CodingEnv example async client by @burtenshaw in #934
• [codex] refactor runtime server parsers by @burtenshaw in #936
• [codex] refactor collect legal action parsing by @burtenshaw in #931
• [codex] refactor OpenAI chat kwargs by @burtenshaw in #933
• [codex] refactor importer package setup by @burtenshaw in #922
• chore(deps): bump pypdf from 6.13.3 to 6.14.2 in /envs/repl_env by @dependabot[bot] in #1013
• Make ResourceSessionFactory generic over its session type by @sergiopaniego in #1007
• fix(tbench2_env): bring Docker mode up to the canonical scoring contract by @nblintao in #1012
• Fix OpenCodeEnv client timeout and retry transient sandbox-API polls by @sergiopaniego in #1005
• Retry OpenCodeSessionFactory.create() with backoff by @sergiopaniego in #1009
• Remove the nonexistent openenv[core] extra from example and test fixtures by @sergiopaniego in #1020
• Add pelican_svg_env: blind SVG drawing, scored in three layers by @sergiopaniego in #1019
• Add pi_env: Pi coding-agent environment (HF sandbox + transparent-proxy logprobs) by @sergiopaniego in #999
• opencode_env: run setup before the agent, skip verify on non-zero agent exit by @sergiopaniego in #1023
• chore(deps): aggregate core dependabot updates by @burtenshaw in #1069
• docs(tutorials): add black-box coding agent training tutorial (OpenCode + AsyncGRPO) by @sergiopaniego in #1028
• fix(cli): use named Space colors in generated README frontmatter by @sergiopaniego in #1016
• Update TRL example paths after examples/ reorg by @sergiopaniego in #1086
• RFC 008: Environment auto-validation by @zkwentz in #1041
• fix(tbench2_env): a missing reward.txt is a scoring error, not reward 0.0 by @nblintao in #1025
• RFC 008 slice 0a: core types, normalized manifest, and fixtures by @zkwentz in #1044
• RFC 008 slice 0b: registries, report schema, and severity policy by @zkwentz in #1045
• RFC 008 slice 1: walking skeleton for openenv validate by @zkwentz in #1091
• Revert RFC 008 validation stack by @burtenshaw in #1108
• docs: document the Task API by @adithya-s-k in #1094
• Release OpenEnv 0.4.2 by @cursor[bot] in #1125

New Contributors

• @mishig25 made their first contribution in #923
• @nblintao made their first contribution in #965
• @OfficialAbhinavSingh made their first contribution in #959
• @cursor[bot] made their first contribution in #1125

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