𝙊𝙥𝙚𝙣𝘾𝙤𝙙𝙚 v1.15.5 released. TL;DR: native LLM runtime preview • virtualized session timelines • reliable event/SSE delivery • CLI/TUI resume + polish
𝗖𝗼𝗿𝗲 & 𝗟𝗟𝗠
• Added a preview native LLM runtime behind OPENCODE_EXPERIMENTAL_NATIVE_LLM.
▸ OpenAI/opencode API-key models can route through @opencode-ai/llm; unsupported cases fall back to the AI SDK path.
▸ The stream pipeline now normalizes AI SDK/native events into one internal LLM event shape, including richer usage + provider metadata handling.
• Session processing now handles the unified event stream for text, reasoning, tool input, provider-executed tools, step usage, and errors.
𝗘𝘃𝗲𝗻𝘁𝘀, 𝗦𝘆𝗻𝗰 & 𝗪𝗼𝗿𝗸𝘀𝗽𝗮𝗰𝗲𝘀
• Fixed a bus subscription race by acquiring PubSub subscriptions eagerly.
▸ This closes a concrete /event SSE loss window where publishes could happen before lazy stream consumption began.
• Sync publishing now runs through EffectBridge so forked bus/global events keep the right instance/workspace context.
• v2 session listing now sorts/cursors by updated time, which makes desktop/session lists reflect recently active sessions correctly.
𝗪𝗲𝗯 / 𝗗𝗲𝘀𝗸𝘁𝗼𝗽 𝗨𝗜
• Session timeline rendering was reworked around virtualized rows and reusable timeline data.
▸ Large histories should mount faster, preserve scroll state better, and keep bottom anchoring stable while active tool/text rows resize.
• Added OpenCode Go/free-limit usage dialogs in the app, with persisted “don’t show again” behavior.
• Desktop now grants renderer notification permission and fixes update install flow to check/install the latest available update instead of relying on stale downloaded-version state.
• UI fixes: clipboard copy fallback via execCommand, reasoning parts tolerate undefined text, question dock overflow is scrollable, and PWA theme-color tracks light/dark mode.
𝗖𝗟𝗜 / 𝗧𝗨𝗜
• opencode run --interactive can replay visible session history on resume via --replay and --replay-limit.
▸ The stream transport buffers live events during bootstrap so replayed history and new events don’t race each other.
• TUI added syntax highlighting support for Elixir, F#, R, Make, Vim, XML, and Agda.
• TUI polish/fixes: pasted prompt content is copied correctly, paste layout refreshes after large paste, long tool output collapses by terminal-aware line/char limits, paste summary badge contrast improves, and dialog prompt submit now uses the keybind system.
𝗥𝗲𝗳𝗲𝗿𝗲𝗻𝗰𝗲𝘀, 𝗣𝗹𝘂𝗴𝗶𝗻𝘀 & 𝗧𝗼𝗼𝗹𝘀
• Reference config normalization moved into a typed path with alias validation and clearer invalid-reference states.
• Repository cloning/cache is now a service with typed cache/clone/fetch/checkout errors; repo_clone uses the shared cache path.
• Session prompt internals were split into prompt reminders, reference prompt helpers, and tool resolution without changing the high-level loop behavior.
• Plugin tool context ask now exposes a Promise-returning API, matching JS plugin expectations instead of leaking Effect into plugin tools.
• models.dev loading moved away from a huge generated snapshot module toward cache/fetch plus optional build-global snapshot injection.
Bundle size change
macOS arm64
• Total: 101.7 MB -> 102.2 MB (+560.7 KB)
• Bun runtime: 60.4 MB -> 60.8 MB (+384.7 KB)
• CLI/TUI JS: 14.7 MB -> 14.8 MB (+152.7 KB)
• Web UI assets: 16.6 MB -> 16.6 MB (+23.8 KB)
• Native addons: 2.4 MB -> 2.4 MB (+48 B)
• WASM: 7.5 MB -> 7.5 MB (no change)
• Bundle metadata: 81.9 KB -> 81.4 KB (-588 B)
Linux x64
• Total: 143.9 MB -> 137.2 MB (-6.8 MB)
• Bun runtime: 96.2 MB -> 89.3 MB (-6.9 MB)
• CLI/TUI JS: 14.7 MB -> 14.8 MB (+152.7 KB)
• Web UI assets: 16.6 MB -> 16.6 MB (+23.8 KB)
• Native addons: 8.9 MB -> 8.9 MB (+2.0 KB)
• WASM: 7.5 MB -> 7.5 MB (no change)
• Bundle metadata: 70.3 KB -> 68.2 KB (-2.1 KB)
Windows x64
• Total: 153.1 MB -> 135.0 MB (-18.1 MB)
• Bun runtime: 111.5 MB -> 93.2 MB (-18.3 MB)
• CLI/TUI JS: 14.7 MB -> 14.8 MB (+152.7 KB)
• Web UI assets: 16.6 MB -> 16.6 MB (+23.8 KB)
• Native addons: 2.7 MB -> 2.7 MB (+1.0 KB)
• WASM: 7.5 MB -> 7.5 MB (no change)
• Bundle metadata: 68.2 KB -> 68.2 KB (no change)
Compare: github.com/anomalyco/open…
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