Version 9.x
Within this page
Upgrade to 9.1.0
"Site sets support"
Changelog
https://github.com/fnagel/t3extblog/compare/9.0.0...9.1.0
- Support for site sets
 - Support for Twitter Bootstrap 5
 - Bugfix Fluid namespace in RSS templates
 - Fix comment and post subscription delete
 - Some small bugfixes and improvements
 - Clean-up documentation
 
Breaking changes
- Removed support for twitter cards
 
How to upgrade
- Adjust Fluid namespace of RSS template and partial if overridden
 - Adjust your templates if needed (post meta partial)
 - Clear all caches
 
Upgrade to 9.0.0
"TYPO3 13 LTS support"
Changelog
https://github.com/fnagel/t3extblog/compare/8.0.2...9.0.0
- Support for TYPO3 13.4 LTS and PHP 8.3
 - Replace 
Backendoverride with improvements in settings service classConfiguration Manager  - Updated images of the CMS backend in documentation
 - Categories collapsible functionality is now configurable
 - Lots of small bugfixes and replacements for deprecated core functionality
 - Code clean-up and lots of code quality improvements
 
Breaking changes
- Removed support for TYPO3 12
 - Removed support for PHP 8.1
 
How to upgrade
- "Change fields" in DB using "Analyze Database" in Install tool / Maintenance module
 - Adjust your templates if needed (some BE templates and partials, category list template)
 - Clear all caches