v1.18.15

anomalyco/opencodev1.18.15Aug 7, 2026by opencode-agent[bot]

AI Summary

This release focuses on stabilizing message ordering, fixing attachment loading issues, and expanding desktop app locale support with new transcript export capabilities.

Key Highlights

Chronological message ordering now stays correct even when imported or legacy message IDs are out of order.
Blob-based attachments now load correctly in the web UI.
Added much broader locale coverage across the desktop app.
Export full session transcripts as JSON from the UI.

New Features

Export full session transcripts as JSON from the UI.
Cursor style configuration in TUI.
SSH clipboard support with tmux config.

Full Release Notes

## Core

### Bugfixes

- Chronological message ordering now stays correct even when imported or legacy message IDs are out of order.
- Revert and fork actions now use real message chronology instead of message ID ordering.
- Truncation cleanup now removes stale files by file timestamp more reliably.
- Repeated compaction now keeps earlier tool-call history in summaries instead of dropping orphaned results.
- Blob-based attachments now load correctly in the web UI. (@rexdotsh)

## Desktop

### Improvements

- Added much broader locale coverage across the desktop app.
- Export full session transcripts as JSON from the UI.

### Bugfixes

- Session timelines now respect chronological message boundaries more reliably.
- Stored messages now stay ordered by creation time.
- Session lists now sort by persisted activity time more reliably.
- Language names now stay native in the locale picker.
- Filled in missing translations across existing locales.

**Thank you to 3 community contributors:**
- @rexdotsh:
  - fix(server): allow blob attachments in web UI (#40692)
- @ayubun:
  - fix(tui): support copying over ssh with `set-clipboard on` tmux config (#30472)
- @dangooddd:
  - feat(tui): add cursor style configuration (#32295)