Maybe you’ll be lucky: https://grapheneos.org/releases#2023103100

4a (5g), of course maybe thats the reason.

Hm, I did nothing special. It came with the regular updates, some weeks ago.

The people behind GrapheneOS even extend the support. Currently rocking Android 14 with GrapheneOS on my Pixel 4a.

I really liked “A Guide to the Good Life” by William B Irvine. IMHO it not only does a good job introducing stoicism, but also a practical interpretation of philosophy.