The European Union has now published a great page about the Cyber Resilience Act that contains a 66 page FAQ about lots of things in "plain english":

Cyber Resilience Act - Implementation | Shaping Europe’s digital future

Introducing the Cyber Resilience Act: the EU's new plan to make sure all digital products on the EU market are safe from cyber threats. This i...

The last 5.4.y kernel release has now happened:

Making sure you're not a bot!

Please don't use this branch anymore, it's really old, and pretty obsolete, and has over 1500 unfixed CVEs in it:

Making sure you're not a bot!

And if you are stuck with that kernel version for some reason, go ask your vendor to fix those 1500+ CVEs, otherwise you are paying for support that doesn't actually do anything for you...