The Git extension's `git.addAICoAuthor` setting in Visual Studio Code is updated to enable AI co-author trailers by default. This change automatically adds a "Co-authored-by" trailer when AI-generated code contributions are detected.

Ataraxy Labs' sem is a semantic version control CLI that provides entity-level diffs, blame, graph, and impact analysis for code across 16 programming languages using tree-sitter. Instead of traditional line changes, sem identifies specific functions or properties that were added, modified, or deleted in the codebase.