Bugfixes:

• invalid Stop LSN from master now handled correctly. Reported by@alexign and Alexander Lakhin
• add-instance now check the existence of destination directories before attempting to create them. Reported by@alexign
• server version mismatch duringvalidation now detected and error reported. Reported by@alexign. Contributed by@kuzmindb

Improvements:

• pg_probackup packages for Postgrespro Standard 12 and Postgrespro Enterprise 12 are available in repository