The Bat! 8.5.4.4 (BETA) is available at
https://www.ritlabs.com/download/files…a/tb8544-32.rar
https://www.ritlabs.com/download/files…a/tb8544-64.rar
What's new in 8.5.4.4 since 8.5.4.3:
[-] Fixed an error that could happen after sending a message - The Bat! could crash (and restart)