New3 developments · 1 source · over 9 daysGitHub Introduces Targeted Copilot Model RulesHow it developedMay 26, 2026GitHub ChangelogWhere it startedGitHub Introduces Targeted Copilot Model RulesJune 2, 2026GitHub ChangelogGitHub Copilot Deprecates GPT-4.1 ModelGitHub deprecates GPT-4.1 across all Copilot experiences, requiring users to switch to supported models.June 4, 2026GitHub ChangelogGitHub Copilot Enhances Context Windows and ReasoningGitHub Copilot adds one-million-token context windows and configurable reasoning levels to handle complex projects.