Anthropic Upgrade & Migration Overview Guide for upgrading the Anthropic SDK and migrating between API versions. The SDK follows semver — major versions may have breaking changes. Check Current Versions Upgrade Path Step 1: Create Upgrade Branch Step 2: Upgrade SDK Step 3: Review Breaking Changes Key breaking changes by version: Python SDK 0.20+ (anthropic-version: 2023-06-01) Python SDK 0.30+ (streaming changes) TypeScript SDK 0.20+ (import path change) Step 4: Update API Version Header Step 5: Run Tests and Verify Migration: Text Completions to Messages | Text Completions | Messages API | |…