Features
- core: Support smtps and STARTTLS for SMTP (cd3095e), closes #31
- core: Debian 10 (Buster) support for x86_64 (closes #4775)
Bug Fixes
- addressbook(dav): add support for macOS 11 (Big Sur) (c65e121), closes #5203
- addressbook(dav): add support for macOS 11 (Big Sur) (0057524), closes #5203
- calendar: fix all-day events in lists (1268e23)
- web: restored mail threads state of inbox on initial page load
- web: fixed and improved messages list in threads mode
- web: sanitize value of draft auto save timer, defaults to 5 minutes
- core: adjust syntax for Python > 2 (9198fc9)
- core: synchronize database schema with v5 (a98fe2f)
- tool: sogo-tool manage-acl not working on v2 (closes #4292)
- packaging: add dh_makeshlibs back (0fa6947)
- packaging: disable openchange permenantly (0c47b63)
- packaging: disabled openchange some more (2911578)
- packaging: more openchange cleanups (cfd4c7b)
- packaging: more openchange cleanups (9a0b0cc)
- packaging: remove deps on openchange (acb2a34)
Localization
- update translations (32bc1e8)