Theme Blocks Full Site Editing (FSE) – WordPress Daily Routine Theme Blocks Full Site Editing (FSE)


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Theme Blocks Full Site Editing (FSE)

Classic themes disable WordPress FSE features like editing templates and site-wide styles.

Theme Blocks Full Site Editing (FSE)

Key Points: WordPress 5.9+ introduced Full Site Editing — but your theme says “nope.”

You go to Appearance → Editor expecting full design freedom — but nothing’s there. No templates, no global styles. That’s because your theme isn’t FSE-compatible.

❌ Why It Doesn’t Work

  • Theme lacks theme.json file
  • No support for block templates or template parts
  • Uses old PHP-based layout system instead of block system

🛠️ Options

  1. Switch to a block-based theme like Twenty Twenty-Four
  2. Create your own theme.json (advanced users)
  3. Install a hybrid theme that offers partial FSE support

⚙️ Good to Know

FSE is the future of WordPress design — investing in compatible themes now saves hassle later.