# Improvements and fixes
* Backup: You can now add 7-Zip AES file name encryption to the backup archives. Without proper password, nobody will be able to open these archives.
* Backup: 7-Zip spanning options have been added. In addition to previously available zip/zipx spanning, now you can also use 7-zip spanning in backup.
* 7-Zip SFX has been updated to the latest version.
* Optimizations: lowered the size of PowerArchiverâ€™s main executable by 1 MB.
* Optimizations: reduced memory usage by 350 kb.
* Various minor improvements and fixes.