It's kind of a minor nitpick but I also miss the half-size arrow and pgup/pgdown keys of Thinkpads. Framework already provides multiple layouts so they might be able to provide this variant on their Marketplace as well.

Your tape trick sounds like a good workaround meanwhile, and people have been doing more complex customizations and prototypes as well, for example: https://community.frame.work/t/changed-my-keyboard-layout-in...