NoMachine 6.12.3

What's new in this version:

Fixes:
- "No available sessions" message occurs on mac OS
- Allow to save the username when connecting with a private key without passphrase
- Cannot remove lock file '/tmp/.X...-lock': Operation not permitted
- Cannot run NoMachine sessions on ARMv7 devices with kernel 5.4.42 or later
- Chrome bookmarks bar takes a few seconds to open on local when a NoMachine custom session is running
- Connecting a new web session terminates the previous ones
- Ctrl key is locked on when right-ctrl is the first keypress in a virtual desktop
- F13 - F24 keys from extended keyboards are not mapped into the NoMachine session
- Inconsistent behaviour about trimming domain information from AD username
- Java throws a NullPointerException in a NoMachine custom session
- NoMachine server log reports 'Argument "MANUAL" isn't numeric'
- NumLock is not synchronized when connected to Linux physical displays
- The web session is disconnected in Safari v. 13.1.1 after some minutes
- Users cannot connect to the Cloud Server, after that a failover occurred
- White screen occurs when macOS is rebooted just after the installation of NoMachine
- White screen is displayed when connecting to a remote physical display (VP8 encoding)
- Value of ClientConnectionMethods key is not preserved during the update
- Adding the --extended switch to the 'nxserver --servergrouplist' command
- Advising users when the network connection has interruptions (for custom sessions)
- Enabling debug log level for the already running 'nxserver --daemon' process
- Providing server configuration keys for defining the Kerberos/GSSAPI library to be used
- Re-delegating Kerberos tickets to NoMachine sessions connected by NX protocol
- Updating the jQuery library used for web sessions to version 3.5.1
- Add a new key in connection file to configure the '--exit' option