Hello there!
We’ve released a v4.1.10 with a bunch of new updates and fixes:
Bug Fix
- Fix populate in Users Permissions \o/
- Fix media lib mime-type missing
- Upgrade nodemailer
- Fix bulk delete for non-default locales
- Upgrade Sentry
Enhancement
- Allow WYSIWYG spell check
- Hand upload provider errors more gracefully
Security
- Sanitize hidden attributes from admin api responses
We hope that it will make your experience smoother! A huge thank you to all contributors and everyone, who helps us to improve Strapi 
By the way, did you test the new v3 → v4 migration scripts? 