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- Robot release notes

Robot release notes
Last updated Dec 15, 2025
Build number: 2026.0.182
Bug fixes
- We fixed an issue where multiple "System.BadImageFormatException: Bad IL format" errors appeared in Event Viewer and Robot logs, making it difficult to identify relevant runtime errors.
- We fixed an issue where an improperly owned
%ProgramData%\UiPath\Shared\proxy.jsonfile was quarantined without a valid replacement. A default file is now created instead. This prevents confusion with legacy XML-based proxy settings, which are ignored. - This version brings several performance fixes.
Build number: 2026.0.181
Bug fixes
- Resolved an issue where Chrome window was not visible in the PiP preview. This was applicable for Chrome v139+ on Windows 11 22H2 or newer.
- Fixed an issue that causes the LiteDB backup files to persist, using unnecessary disk space.
- Fixed an issue where the RobotJS listener occasionally failed to start, causing the following error:
System.TimeoutException: RegisterListenerPort timed out.System.TimeoutException: RegisterListenerPort timed out.