New Features
- New: Users can only write one answer to the same question by default (#644).
- New: Allow admin can disable the default log in form (#565).
Bug Fixes
- Fixed: Tag search support for synonyms (#587).
- Fixed: The description of first post in Revision select is unclear (#609).
- Fixed: It can be difficult to distinguish between answers and comments (#575).
- Fixed: The site map has a lot of blank lines causing errors (#631).
- Fixed: Can't show tag description in tag edit page (#637).
- Fixed: The canonical links in the page need to be consistent with the permalink set by the SEO (#646).
- Fixed: There are a few places where the URL format does not match the permalink format in the SEO settings (#656).
- Fixed: Incorrect order of timeline when asking and answering self questions (#669).
- Fixed: Data too long for column 'avatar' (#620).