# Extension Host navigator.userAgent doesn't match renderer process, breaking VS Code extension compatibility

**URL:** <https://forum.cursor.com/t/extension-host-navigator-useragent-doesnt-match-renderer-process-breaking-vs-code-extension-compatibility/148095>\
**Category:** Bug Reports\
**Tags:** java\
**Created:** [January 6, 2026, 10:21am UTC](https://forum.cursor.com/t/extension-host-navigator-useragent-doesnt-match-renderer-process-breaking-vs-code-extension-compatibility/148095 "2026-01-06T10:21:17Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![Salem\_Moussa](https://avatars.discourse-cdn.com/v4/letter/s/bc79bd/32.png) [@Salem\_Moussa](https://forum.cursor.com/u/Salem_Moussa)\
**Post date:** [January 23, 2026, 11:13am UTC](https://forum.cursor.com/t/extension-host-navigator-useragent-doesnt-match-renderer-process-breaking-vs-code-extension-compatibility/148095/10 "2026-01-23T11:13:21Z")

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Any updates on this ? i updated to version 2.4.21 and stil cannot find the extension to work with Oracle DB MCP

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_[View the full topic](https://forum.cursor.com/t/extension-host-navigator-useragent-doesnt-match-renderer-process-breaking-vs-code-extension-compatibility/148095)._