Hello Jonathan,
Thank you for reaching out.
We are aware of this and we have tickets opened for these in our GH repo as you already know.
https://github.com/BoldGrid/w3-total-cache/issues/583
https://github.com/BoldGrid/w3-total-cache/issues/513
I’ve added your comments there and also notified the team, and this will hopefully be added in the May/June release.
PLease make sure to add any commends or suggestions in the tickets mentioned, which I can see you already did.
Thank you again for reaching out and for bringing this to our attention, and thank you for your patience!