1.15.3-ls36

LinuxServer Changes:

Rebasing to alpine 3.11.
FreshRSS Changes:

• Milestone
• Discussion

Changelog:

• Bug fixing (regressions from 1.15.x)
  • Fix adding categories in MySQL 5.5 #2670
  • Fix saving sharing integrations #2669
• Compatibility
  • Add fallback for systems with old ICU < 4.6 (International Components for Unicode) #2680
• API
  • Do not obey rel=self feed redirections when WebSub is disabled #2659
• UI
  • Start adding support for RTL (right-to-left) languages #2656
• Deployment
  • Docker: Ubuntu image updated to PHP 7.3.11
• Misc.
  • Add more log when errors occur when saving a profile #2663
  • Improve Makefile with port override #2660
  • Update a few external links to HTTPS #2662