[2022] It’s about time! I’ve brought this up (as well as many others) numerous times across all of the RuneScape socials and have been ignored. Glad to see this finally being rectified!

Worth noting that the fix is more widespread than just the example given.

It'll cancel channels in various scenarios where you can't attack the target anymore. For example; currently, when you're attacking QBD with a channelled ability and she phases, you'll be locked into your channel.

These sorts of issues should be fixed too.