
GitHub has announced the deprecation of several models used in its Copilot experiences, effective September 1, 2026. This affects features such as Copilot Chat, inline edits, and code completions. While Claude Sonnet 4.6 remains available for individual subscribers on annual plans, enterprise users need to update their settings to access alternative models. Administrators are advised to check their Copilot settings to enable access to supported models. GitHub encourages enterprise customers to contact their account managers for assistance.
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© GitHub ChangelogGitHub's new Enterprise Live Migrations (ELM) tool is now generally available, offering a seamless way to migrate repositories from GitHub Enterprise Server to GitHub Enterprise Cloud with minimal downtime. This tool is particularly beneficial for large, active repositories, allowing continuous contributions during migration. ELM is designed to handle massive monorepos and integrates with the GitHub CLI for easy management. This development means businesses can now migrate critical repositories without disrupting their workflow, a significant advantage for globally distributed teams.
© GitHub ChangelogGitHub Copilot has introduced a new feature allowing it to assess and approve pull requests, providing developers with an automated judgment on code readiness. This feature is configurable at various administrative levels, including enterprise, organization, and repository, and is available in public preview for certain GitHub plans. While Copilot's approval doesn't automatically fulfill merge requirements, it offers a quick assessment that can be acted upon by developers. This enhancement signifies a step towards more automated and efficient code review processes, though human oversight remains crucial.
© GitHub ChangelogClaude Fable 5.1, the latest model from Anthropic's Mythos class, is now available in GitHub Copilot, enhancing capabilities for long-horizon coding and knowledge tasks. This model is designed to handle substantial coding projects and complex workflows, making it a valuable tool for developers using platforms like Visual Studio Code and JetBrains IDEs. However, it requires data retention by default to operate Anthropic's safety classifiers, a shift from previous models. This release marks a significant step in integrating advanced AI models into mainstream coding tools, offering developers more robust support for intricate tasks.
The latest update to Claude Code, version 2.1.257, introduces several enhancements and fixes that improve user experience and functionality. Notably, the new Claude Fable 5.1 model becomes the default, offering a 1M context at competitive pricing. The update also adds new time format settings and a containment escape rule to enhance security. Numerous bug fixes address issues like session management, background processes, and permission handling, making the platform more robust and reliable. This release signifies a step forward in refining the tool's usability and performance for developers.
The latest update to Claude Code, version 2.1.251, introduces several enhancements and fixes aimed at improving user experience and system reliability. Notable additions include new hook events for model switching and live streaming of tool calls for Remote Control clients. The update also addresses numerous bugs, such as issues with file tools and session management, ensuring smoother operation across various scenarios. These changes make Claude Code more robust and user-friendly, particularly for developers managing complex AI workflows.
The latest Claude Code update, version 2.1.247, brings significant improvements to user interaction and functionality. A notable addition is the SendFeedback tool, which allows users to easily draft feedback reports when issues occur, enhancing the feedback process. The update also introduces a cost-optimization feature for Claude API users, enabling them to better manage expenses through various cost levers. Numerous bug fixes have been implemented to improve stability, such as resolving session management and keyboard shortcut issues. These enhancements collectively make Claude Code a more reliable and efficient tool for developers, offering a smoother experience.