v4.1.2

• fix unnecessary screen update delays
• fix screen refresh rate detection
• increase the default screen update refresh rate
• fix missing encodings with 'upgrade' and 'upgrade-desktop' subcommands
• fix client failures due to missing socket directories
• fix crashes when showing notifications (ie: MacOS Big Sur)
• workaround for hidden library paths (MacOS Big Sur)
• more correct API usage of 'notify2' backend
• fix run_scaled script handling of multiple arguments
• fix ioctl error with nested SSH connections
• fix video region detection error
• fix sessions GUI not updating on process exit
• fix compatibility with newer versions of python-zeroconf
• fix directory listing with the builtin http server (still disabled by default)
• fix clipboard errors on MS Windows when we fail to acquire the lock
• fix the server's GetAll dbus property handler
• fix display-name validation check
• the 'exec-wrapper' option no longer needs to use an absolute path
• ignore bell audio devices
• show the correct list of pressed keys, unkown modifiers
• prevent the splash screen process from consuming too much CPU
• better service configuration file location detection
• packaging script fixes, library and documentation updates