# About this Release

This In-Sight 25.1.1 release adds the following bug fixes and improvements:

- Fixed an issue where users were unable to switch between Serial and Virtual COM modes in the Serial Configuration utility.

- PTP Spreadsheet functions are now faster.

- Updated timestamp to use FPGA clock for the In-Sight 3800 Line Scan.

- Added encoder delay setting to the ApplyAcquisitionSettings function Functions are tools that are available in Spreadsheet for processing and analyzing acquisitions or other results. You can add functions to your Spreadsheet job to create tool chains and produce results for specific applications..

- Audit logging no longer invalidates System Validation after every shutdown.