I can turn on the new 'Use stable page numbers' feature for individual books, and I can set it to be on by default for new books (ie, without an X.sdr/metadata.epub.lua).
But is there a way to turn it on by default for books I started reading before installing
KOReader 2025.10 added this feature?
My only thought so far is to figure out what the settings are and whip up a script to add them to all existing X.sdr/metadata.epub.lua files.