Here is an old post of mine on molding planes > https://sawmillcreek.org/showthread.php?242156
It is mostly about rehabilitation of previously owned molding planes. It does have a post about wedges and what to do about something like this:
Wedge Issue Close Up.jpg
There is also some information on blade sharpening along with useful links provided by others.
jtk
"A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty."
- Sir Winston Churchill (1874-1965)