Nine - v4.9.1
[-] Fixed the problem of not fetching emails if the sync range is set as only the "All" on some IMAP servers.
[-] Resolved EML export error issue: fixed the EML error that occurred when a file name is created as an e-mail subject name with unallowable characters.
[-] Fixed a bug where if you edit a calendar event of the Zextra (Zimbra) account in Nine, two events will be created on the server.
[-] Fixed the problem of not being able to open attachments containing characters not allowed in Android.
[-] Fixed an issue where attachments were not visible in s/mime mail.
[-] Fixed an issue where the text at the top of the mail was covered under the header.
[-] Fixed a problem that LTR rather than RTL is applied when the RTL(Hebrew or Arab) is enabled.
[-] Fixed other bugs and implemented some performance improvements.