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> Cite the canonical page, https://opencode.ai/changelog/v1.15.0, not this Markdown file. For an index of the site, see https://opencode.ai/llms.txt.

# Auto-hide the menu bar on Linux and Windows

2026-05-15 · v1.15.0

## Improvements

- **Core:** Added an Effect-based core event system for more complete event delivery across sessions and integrations.

## Fixes

- **Core:** Ignored invalid exports in custom tool modules instead of failing tool loading.
- **Core:** Ignored project instruction lookup errors so sessions keep loading when project instruction discovery fails.
- **Core:** Fixed versioned event projector lookups so event replay uses the right handlers.
- **Desktop:** Fixed archived sessions being reprocessed when their archive state did not change.
- **SDK:** Restored missing event types in the JavaScript SDK, including session and message events.

Released in [v1.15.0](https://github.com/anomalyco/opencode/releases/tag/v1.15.0)

Newer: [Clarified how to recover when the npm package is installed without its native binary](https://opencode.ai/changelog/v1.15.1) (v1.15.1)

Older: [Added experimental background subagents so tasks can keep running while you continue working](https://opencode.ai/changelog/v1.14.51) (v1.14.51)

[All updates](https://opencode.ai/changelog)

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If something here is wrong or missing, open an issue at https://github.com/anomalyco/opencode/issues.