2.5.12 (2026-04-10) Bug Fixes move @github/copilot-sdk to optionalDependencies for Homebrew compatibility (8cd9d20) Features add model name display configuration (7cd38fa) add modelNameDisplay configuration option (77d6e09) add per-model diff compression settings (3fe1369) add support for diff compression (429803c) introduce diff compression utility (85d2f1c)