On pixel 9 (and maybe earlier) grapheneos devices, you can just disable the USB c port which is more secure than apple's pairlocking. Combine that with a self destruct pin/password, your data is bulletproof.
It'd be nice if it a feature could be added that would allow you to adjust the size of the list of posts and the comment view. A similar feature is available in Hacki which lets adjust the column size by dragging the divider between the list of posts and the list of comments
That's already released and only deals with recent changes. It doesn't fix apps using strong integrity challenges