Dev Tools · 2h ago
WordPress upgrade failures: 5 patterns from Gutenberg to FSE
Analysis of past WordPress major upgrades reveals five recurring failure patterns, including UI extensions breaking in 5.0 (Gutenberg), jQuery library bumps causing front-end issues in 5.6, and PHP minimum raises tripping old plugins. The patterns emphasize the need for pre-upgrade inventory of editor dependencies, front-end testing, and PHP compatibility checks. Maintenance teams can use these patterns to triage issues faster when future major releases land.
Meridian48 take
The patterns are well-documented but the real challenge is getting teams to actually run these checks before hitting 'update' — the article's value is in making the invisible visible.
Read the full reporting
Five failure patterns from past WordPress major upgrades — what 5.0 Gutenberg through 6.0 FSE taught maintenance teams →
DEV Community
wordpress-upgradesfailure-patterns