[9.8.4]
[*] Closed Secure Link vulnerability
[*] iOS profile now uses external IMAP settings correctly
[*] Fixed issue with importing dcntacts from VCF files
[*] Security improvements

[9.8.3]
[*] Fixed opening attachement is attached .eml files
[*] Fixed problem with reccurent events in external iCal feed
[*] Fixed problem with global address book on iOS
[*] Fixed displaying Tasks with no time
[*] Fixed file drag'n'drop between different storages

[9.8.2]
[+] It is now possible to skip 2FA when logging onto DAV ("Skip2FA" setting in Dav module)
[+] IgnoreImapSubscription setting now applies to Aurora Mail mobile app as well
[*] Fixed issues with Google/Gmail integration
[*] Fixed issues with integration via Single Sign-On 
[*] Fixed issue with viewing PDF files
[*] Fixed issue with "Test Connection" tool of RocketChat integration
[*] Fixed issue with images in signature HTML source
[*] Fixed issue with contact groups no longer shown in address autocompletion
[*] Fixed issue with importing to custom address book
[*] Fixed issue with post_max_size and upload_max_filesize values not handled correctly on file uploads
[*] Corrected issues with displaying event time in event info pane
[*] Corrected toolbar issues in Sand theme
[*] Closed XSS issue with OAuth URLs
[*] Italian translation update
[*] A large number of fixes, optimizations and improvements

[9.8.1]
[+] Added a blockquote feature in message editor
[*] Improved security of the authentication token cookie
[*] Fixed automatic account creation in RocketChat module
[*] Fixed issue with Collected addresses displayed in All contacts
[*] Fixed removing contacts from suggestion dropdown
[*] Fixed issue with updating signature
[*] Fixed multiple issues with the use of code deprecated in PHP 8.2 and 8.3
[*] Fixed issue with default calendar used by ActiveServer
[*] Corrected issues with deleting the only tenant
[*] Miscellaneous bugfixes and improvements

[9.8.0]
[+] Allow for updating passwords for linked email accounts
[*] Security-related improvements for password encryption
[*] Corrected an issue with removing collected contacts from a dropdown list
[*] Corrected an issue that allowed unauthorized users to create email notes
[*] Improved blocking user after multiple failed login attempts
[*] Added logging of IPAllowList access errors
[*] Improved XSS protection in mail viewer
[*] Various fixes and improvements