AND apparently Geany 1.38 is not made easily available to Debian 64-bit OSs.
The commands $ sudo apt update $sudo apt full-upgrade FAIL to upgrade Geany 1.37.1 (a version from June 2021 or so, 2 years ago) to Geany 1.38.
Many, many libraries and software packages, literally hundreds of different software libraries, auto-update using the above 2 terminal commands on Debian, but not Geany.
Whatever software improvements Geany Developers are placing into Geany 1.38 - those particular software "improvements" are not usable to the vast majority of Debian users, both 32-bit AND 64-bit systems. Debian repositories are not reflecting Geany 1.38. Everything else is getting quickly and easily updated on Debian machines, but not Geany.