v1.23.0

Behavioral compatibility notes

The following merged PRs were labeled release-note-required and are called out explicitly in this release:

• #3257 Update default LLM model to gpt-5.5 (@neubig)
• #3275 Match verified model name nemotron-3-super to infra name nemotron-3-super-120b-a12b (@juanmichelini)
• #3284 feat: add async LLM completion support across the SDK (@malhotra5)
• #3290 fix(agent-server): bundle built-in subagent .md files in PyInstaller binary (@VascoSch92)
• #3295 fix(workflows): skip approved PRs in review reminders (@enyst)
• #3296 Release v1.23.0 (@all-hands-bot)
• #3308 Add named profile support to workspace get_llm (@neubig)
• #3316 perf(agent_server)!: trim conversation skills by default (include_skills=false) (@simonrosenberg)
• #3318 Tighten release PR review validation (@enyst)
• #3321 fix(sdk): omit empty reasoning headings (@enyst)
• #3322 feat: add /api/workspaces endpoints + file-backed store (@hieptl)
• #3330 Update workflow shell context handling (@neubig)

What's Changed

• test: cover agent_settings conversation start defaults by @neubig in #3264
• fix(version-bump-prs): update mypy pins and regenerate uv.lock on SDK bumps by @simonrosenberg in #3268
• perf(sdk): cache subclass hierarchy lookups in DiscriminatedUnionMixin by @csmith49 in #3246
• feat(agent-server): Add CRUD API endpoints for skills management by @malhotra5 in #3231
• chore(deps): bump authlib from 1.6.11 to 1.6.12 by @dependabot[bot] in #3271
• chore(deps): bump gitpython from 3.1.49 to 3.1.50 by @dependabot[bot] in #3272
• chore(deps): bump urllib3 from 2.6.3 to 2.7.0 by @dependabot[bot] in #3273
• Decrypt encrypted MCP env values before launch by @neubig in #3276
• Track release-note-required behavioral default changes by @enyst in #3279
• Fix duplicate automation follow-ups by @enyst in #3281
• feat(agent-server): add POST /api/mcp/test endpoint to validate MCP configs by @tofarr in #3282
• fix: write remote completion logs as utf-8 by @he-yufeng in #3225
• examples: share ManagedAPIServer in remote_agent_server _utils by @nehaaprasaad in #3108
• Update default LLM model to gpt-5.5 by @neubig in #3257
• fix(agent-server): bundle built-in subagent .md files in PyInstaller binary by @VascoSch92 in #3290
• fix(workflows): skip approved PRs in review reminders by @enyst in #3295
• Cap terminal timeout below runtime idle threshold by @neubig in #3280
• docs(pr-review): describe new manifest-based diff payload accurately by @simonrosenberg in #3239
• chore(tools): replace bashlex (GPLv3) with tree-sitter-bash (MIT) by @VascoSch92 in #3237
• test(security): xfail corpus for shell-parser bypass classes (#2721) by @Fieldnote-Echo in #3304
• Add named profile support to workspace get_llm by @neubig in #3308
• Tighten release PR review validation by @enyst in #3318
• feat: add /api/workspaces endpoints + file-backed store by @hieptl in #3322
• fix(sdk): omit empty reasoning headings by @enyst in #3321
• Match verified model name nemotron-3-super to infra name nemotron-3-super-120b-a12b by @juanmichelini in #3275
• Update workflow shell context handling by @neubig in #3330
• perf(agent_server)!: trim conversation skills by default (include_skills=false) by @simonrosenberg in #3316
• feat: add async LLM completion support across the SDK by @malhotra5 in #3284
• ci: pin external third-party actions to commit SHAs by @Fieldnote-Echo in #3334
• Release v1.23.0 by @all-hands-bot in #3296

New Contributors

• @nehaaprasaad made their first contribution in #3108

Full Changelog: v1.22.1...v1.23.0