Hey hey hey everyone!
Here comes Strapi v4.2.3 with the weekly dose of fixes and enhancements, amongst which:
- Unique fields with empty string value
- Make updateContentTypeConfiguration endpoint return full data
- knex transaction error on adding the migrations in migration folder
… and a lot more!
Check out the complete list on Github, maybe that annoying but has already been fixed
Huge thank you to all contributors who help to make Strapi better 
Stay tuned for the next updates!