A version file and string were added in debug.txt. UTF-8 encode and decode functions were moved to utils.php (for ICS and IMAP). The default PHP path was added to include_path. In Diff backend, initializing of syncstate when using the dummyfolder option with GetHierarchy was fixed. Memory consumption was improved in the IMAP backend when parsing emails. Encoding issues when writing, replying, and forwarding mail in IMAP were fixed along with the encoding of subjects.