v1.0.0-rc.3

What's Changed

• fix(frontend): migrate Linear integration to streamable HTTP /mcp endpoint by @hieptl in #1132
• Identify users by email in Posthog by @HeyItsChloe in #1137
• Default onboarding LLM to OpenAI GPT-5.5 by @enyst in #1103
• fix: populate <RUNTIME_SERVICES> in static builds so automations work by @VascoSch92 in #1125
• feat: persist selected workspace across navigation in the new-chat view by @mvanhorn in #1118
• feat: support slash-command automation prompts by @malhotra5 in #1068
• Add e2e mock-LLM test for ACP agents by @malhotra5 in #1141
• test: add mock-LLM E2E coverage for profile management and onboarding happy path by @malhotra5 in #1140
• fix: preserve OpenHands proxy base_url for rewritten litellm_proxy profiles by @VascoSch92 in #1148
• Consolidate e2e regression tests into mock-LLM framework by @malhotra5 in #1155
• fix: post mock-LLM E2E PR comments for fork PRs via workflow_run by @malhotra5 in #1154
• [codex] Allow automation CORS origin override by @neubig in #1160
• [codex] Bump agent-server default to 1.25.0 by @neubig in #1161
• [codex] Render streaming assistant deltas by @neubig in #753
• Remove dead login-method localStorage helpers and refresh stale notes by @chuckbutkus in #1163
• refactor(acp): import ACP_SETTINGS_KEYS from typescript-client; deprecate acp_env forwarding by @simonrosenberg in #1173
• fix: single-line agent-server logs in dev:automation mode by @tofarr in #1178
• fix(frontend): keep Extensions secondary nav visible at tablet widths by @hieptl in #1177
• feat: default EXTENSIONS_REF from pinned @openhands/extensions SHA in package.json by @tofarr in #1060

Full Changelog: v1.0.0-rc.2...v1.0.0-rc.3