Jarek Prokop

> RHEL-7: ''Your PostgreSQL is too old. Either install an older version of this gem or'' Not really sure how to remedy this situation. The best bet (if we want...

> and Fedora the other Dockerfiles like Dockerfile, Dockerfile.rhel7 can disappear for version 3.1 Ok, thanks for the info. I wasn't sure what to do with them. However, Fedora 36/37...

> There's quite a few mentions of 3.0 Fixed. Also added 3.1 to the main README.md, however, it often mentions RHEL/CentOS 7, so I left Ruby 3.0 in those parts...

I have pushed the devel repo file for RHEL 8 and RHEL 9 as I expect both RHELs to have Ruby 3.1 in some devel repo. However, I am not...

Looking at some of the RHEL 9 tests, those failed on installing ruby:3.1. Let's exclude that from testing for now.

@phracek done.

rebased.

[test] [test-openshift]

I decided to redo the change completely instead of trying to fix I had done in #511 .

from what I've seen the main problem is actually that it works with 8bit data (char type) and having more than 256 LEDs requires something bigger like `uint16_t`, the problem...