Seafile 6.2.11

Fix support for Windows user name containting non-ascii characters.
Remove seacloud.cc from the default server list.
Remove description from library detail dialog.

Fix background index when upload files via cloud file browser.
Don't call ping and account-info every 5 minutes.

Fix:
Don't refresh activity list automatically.
Fix view on Web link for starred items.

Handle library permission change for synced libraries.
Don't retry forever when error occur during first time downloading.
[Mac] Fix dark mode support on Mac Mojave.
Show user's name instead of email in account switching popup.

Fix display of library search box.

Fix file searching.
Cloud file browser:
Support showing indexing progress after uploading a large file.

Fix crash during login.
[cloud file browser] Only show search button when the server is pro edition.
Show detailed path when a library can't be synced because a file is locked.
Fix a crash during file syncing caused by files with illegal file name.
Fix a bug that causing crash during loading libraries.

Add "trust this device" function to two-step authentication.
Add search files inside a library.
Some UI improvements.

Fix a bug that library name will be changed back when it is changed in the server.
Fix a bug that uploading progress exceeding 100%.
Fix selectively synced subfolder disappear after logout and login again.
Use new library icons.
Fix showing of avatars.
Improve UI in Windows with high DPI screens.
Only allow https for Shibboleth login.
Clean unused logs in applet.log.
Remove the function of map a library to a network drive.
Fix an issue when uploading a deep empty folder like "A/B/C".
Change default block size to 8MB.
[Fix, mac] Popup a notification after user clicking the "Check new version" button in about dialog if the current version is the latest version.

Fix auto-completion in sharing dialog.
Show contact avatars in auto-completion of sharing dialog.
Fix misleading error message when uploading a file to a read-only library via cloud file browser.
Add highlight background color when drag and drop a file/folder to a library.
Fix connection error in libcurl.
Fix sorting by time in cloud file browser.
Fix sorting by name case-sensitive in cloud file browser.
Fix drag more than one folder to cloud file browser.
Add loading more in activity tab and search tab.
"View sync error" can only be clicked when there is sync errors.
Move seafile.log, applet.log to seafile.log.old, applet.log.old if they become too large.
Remove the "?" icon in creating new folder dialog title bar.