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Dev Practice

Criteria for understanding models and tools as a developer

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6 articles in this topic

  1. Dev Practice Check How the Balanced Default Applies When You Request Copilot Code Review by APIRequesting Copilot code review by REST or GraphQL with the effort level at Default applies Balanced. Covers keeping Lite, plans, automatic review, and Max availability, per the October 2, 2026 announcement.
  2. Dev Practice Check Whether Picking an Ollama Model in Copilot CLI Turns On Offline ModePicking an Ollama model in Copilot CLI does not turn on offline mode. Covers the version requirement for local model discovery added October 7, 2026, tool-calling and streaming needs, and `COPILOT_OFFLINE`.
  3. Dev Practice Check Whether the GitHub Copilot Local Sandbox Turns On Automatically After General AvailabilityThe GitHub Copilot local sandbox reached general availability on October 7, 2026 but is off by default. Covers supported surfaces, file, network, and credential limits, what falls outside, and the cloud sandbox.
  4. Dev Practice Split Big Changes into Reviewable Pieces Now That GitHub Stacked PRs Are Generally AvailableGitHub Stacked PRs reached general availability on October 6, 2026. Criteria for splitting dependent changes, approval retention, merge queue and worktree support, and auto-merge and Enterprise Server availability.
  5. Dev Practice Pick Your Replacement Model Before Claude Sonnet 4.5 Retires on November 30claude-sonnet-4-5-20250929 retires on the Claude API on November 30, 2026; the replacement is claude-sonnet-5-5. Other models' dates, code that may break when you migrate, and a checking order are covered.
  6. Dev Practice Check the OpenAI API Models Retiring from Late This Year into Early Next Year and Their ReplacementsFrom OpenAI's Deprecations page: models retiring from October 23, 2026 through April 1, 2027 and their recommended replacements, in date order, plus fine-tuning, voice, and agent tool schedules.

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