1.17.5 - 02 October 2025

• Add new command "CodeQL: Trim Overlay Base Cache" that returns a database to the state prior to overlay evaluation, leaving only base predicates and types that may later be referenced during overlay evaluation. #4082
• Remove support for CodeQL CLI versions older than 2.19.4. #4108
• Fix a bug where quick evaluation within a .ql file could cause spurious errors about processing query metadata. #4141