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VBS Performance Issues when using Expression Editor

Summary:

We're running into recurring performance issues in Visual Builder Studio. After making a few updates using the Advanced Expression Editor (for Validation Rules or Business Rules), the page becomes completely unresponsive.

This behavior is consistent across both Chrome and Edge. Typically, we are only able to make about three edits in the expression editor before the page freezes and ultimately kicks us out of the session.

Has anyone else encountered this freezing issue recently? Any insights would be appreciated.


Version (include the version you are using, if applicable):


VBS:

Version 26.07.0

Designer Version 26.07.0-260626.1111.1412 5300e5 (2026-06-26 11:11:56)

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