Release Bubble · chrisblakley/Nebula

13.0 - Released May 1, 2025

The thirteenth major release of Nebula.

Milestone-related Issues for this release. The oldest file in Nebula is now 4 years old; meaning the entire codebase has been updated since 2021 (around when Internet Explorer support dropped).

Named after the Bubble Nebula in Bernard's Galaxy, or NGC 6822 which was discovered 100 years ago.

Notable Changes

Parent theme modification checks
Opcode Cache Check
Multi-Page View Transitions API integrated
Scheduler API Yield integrated
Completely removed Universal Google Analytics (UA is now deprecated in favor of GA4)
Checkout Journey GA4 report Woocommerce support
Spell Check added to Audit Mode
IndexNow Support
Bing conversion tracking built-in
Fatal Error counts, 404 counts, and SMTP checks to Developer Dashboard
Brotli compression support
"Minimal" Mode
Nebula Timer category durations now listed in Admin Bar
Upped minimum PHP version support to 8.0

Analytics note: Click event parameters will be changing from text to link_text and link to link_url. The new parameter names do not require custom dimensions to be manually created in GA4. Through the version 13 releases Nebula will send all four parameters, and in version 14 (May 2026) it will deprecate the old parameters. It is recommended to review and update any audiences, explorations, and/or other reports that may use these parameters.