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# v0.5.55 — The right edit, even with a team at work

Released July 23, 2026

## Highlights

* Scene changes target the exact file you asked for instead of depending on whichever tab is open
* Multiple agents can work across your project without routine project-wide blocking
* Stops, retries, and reconnects recover cleanly without losing finished work or replaying edits

## Changes

Improved
* Scene operations carry an explicit scene target, save once at the transaction boundary, and return evidence of what actually changed
* File writes stage and verify complete content before replacing the live file
* Agent work can proceed concurrently while destructive restore and broad Studio imports retain their stronger safety boundaries

Fixed
* Stopping an agent no longer leaves later messages stuck behind stale running state
* Reconnects preserve completed results and attach them to the request that produced them
* Failed scene dependencies report the exact path so Summer can repair and retry instead of abandoning the task

Source: https://www.summerengine.com/changelog/0.5.55

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## Machine-readable resources

- Site index for agents: https://www.summerengine.com/llms.txt
- Full inlined content: https://www.summerengine.com/llms-full.txt
- Porting catalog: https://www.summerengine.com/llms-porting.txt
- Structured catalog: https://www.summerengine.com/agent-catalog.json
- Sitemap: https://www.summerengine.com/sitemap.xml
- Developer resources: https://www.summerengine.com/docs