The version 4.5.x branch feels mature. I encountered zero crashes, no failed backups after the first day of tuning compression/thread settings, and restores worked as expected from both local and cloud sources.
: UI performance tweaks and layout fixes for windows such as the batch recovery progress screen. SQL Backup Master V4.5.378.0 Professional Edition
isn’t flashy, and that’s exactly why it’s good. It does one thing – backing up SQL Server databases to local, network, and cloud destinations – and it does that thing reliably, securely, and with a refreshingly simple UI. The version 4