Dalibo released today the temBoard version 7.5. The important fix in that release in an annoying error which pops up every time, when you click on the “Rollbacked Transaction” button.
ERROR: Failed to parse JSON from Postgres: No JSON object could be decoded
https://github.com/dalibo/temboard/issues/770
The latest version for Red Hat/CentOS 7.x can be found here: https://yum.dalibo.org/labs/CentOS7-x86_64/
temboard-7.5-1.el7.noarch.rpm 12-Jan-2021
In case you want to upgrade to the temBoard version 7.5, please check out the following blog. The procedure is essentially the same.
https://ptdb.ch/2021/01/03/postgresql-how-to-upgrade-temboard-7-3-to-7-4/
Conclusion
Check out regularly the Github project about temBoard. https://github.com/dalibo/temboard
It is an active project and new cool stuff is released regularly.