Hi Kirk
I have the same problem with the special danish letters "æøå" after updating to 4.5.1.
I am a big fan of code replacements, but had to go back to 4.4.3.3 to make them work. I know my code replacements have to be in UTF-8, but somehow everything ended up in IPTC without "æøå".
Best regards
Jens Dresling
Photojournalist
Copenhagen