MIGRATION

Gemini CLI stops working June 18, 2026. Here is exactly what to do: install Antigravity CLI, migrate your config, update your scripts, and avoid the silent MCP failure that breaks tool calls.

deepseek-chat is deprecated and disappears July 24, 2026 - here is how to migrate to V4 Flash or Pro, with verified pricing, thinking-mode mapping, and a step-by-step checklist.

Windsurf is now Devin Desktop, owned by Cognition after a turbulent 2025 acquisition saga. If the ownership shuffle has you reconsidering your tooling, here is a step-by-step guide to moving your workflow to Claude Code.

Fable 5 is mostly a drop-in replacement for Opus 4.8, but 'mostly' is doing real work in that sentence. Here's every breaking change, what to delete from your code, and the prompt audit you should run before flipping the model ID.

How we ported 38 apps off Replit and onto Coolify in a single day, using parallel Claude Code subagents, gh, and neonctl. The honest stats: stubs, monorepos, false-empties, and ~120 PRs.

OpenAI is sunsetting the Assistants API in 2026. Here is a tested migration plan to the Responses API - code, state, threads, tools, every cliff I hit, in order.

We ran the same Convex to Neon migration on four apps in a week. Here is what stayed identical, what differed per app, and the real speed-up by app two.

A practical migration guide for developers switching from GitHub Copilot to Claude Code. What changes, what stays the same, and how to get productive fast.