SOGo v2.3.5

Enhancements

• return an error to openchange if mail message delivery fails
• return the requested elements on complex requests from Outlook when downloading changes
• user sources can be loaded dynamically
• unify user sources API
• updated Russian translation (#3383)

Bug fixes

• properly compute the last week number for the year (#1010)
• share calendar, tasks and contacts folders in Outlook 2013 with editor permissions
• priorize filename in Content-Disposition against name in Content-Type to get the filename of an attachment in mail
• request all contacts when there is no filter in Contacts menu in Webmail
• personal contacts working properly on Outlook
• fixes on RTF parsing used by event/contact description and mail as RTF to read non-ASCII characters:
  better parsing of font table, when using a font, switch to its character set, correct parsing of
  escaped characters and Unicode character command word support for unicode characters greater than 32767
• no crash resolving recipients after reconnecting LDAP connection
• avoid creation of phantom contacts in SOGo from distribution list synced from Outlook.
• accepted & updated event names are now shown correctly in Outlook
• provide safe guards in mail and calendar to avoid exceptions while syncing