Welcome to Jalview Version $$Version-Rel$$ !!
Please take a look at the release notes for this build.

Jalview 2.11.1.5

Jalview 2.11.1.5 is a critical patch release that updates one of the open source components, log4j, that Jalview relies on. The update addresses the widely reported log4shell security vunerability. It also addresses an error in the occupancy calculation that occurs when working with alignments of more than 32,000 sequences.

For the full release notes, see the Jalview 2.11.1.5 release notes.