What’s new in Gutenberg 23.6? (July 22, 2026)  🔗 **Source:** [What’s new in Gutenberg 23.6? (July 22, 2026)]() ## Highlights - Moving a block into the default library shifts testing from opt-in contributors to ordinary authoring environments. - Note: Atomic note: stabilization starts a new test phase. - A design pattern supplies expected behavior; accessibility conformance depends on implementation and user-agent results. - Note: Atomic note: APG alignment is a test plan, not a certificate. - Extensions should communicate through supported editor APIs instead of assuming one shared document tree. ## Links - [[3. Resources/Permanent Notes/Implicit File Heuristics Turn Small Theme Changes Into Mode Switches]] — applies-in: always-iframed editing expands the consequences of theme classification. - [[3. Resources/Permanent Notes/Structured AI Edits Need Platform-Native Validation]] — parallels: supported editor APIs preserve platform invariants across document boundaries. - Note: Atomic note: an iframe is an integration boundary.