Core on v1.13.2 fails to run on Pi4 with the error:
...
[ERROR] Failed to open libretro core: "/opt/retropie/libretrocores/lr-ppsspp/ppsspp_libretro.so"
Error(s): /opt/retropie/libretrocores/lr-ppsspp/ppsspp_libretro.so: undefined symbol: hostAttemptBlockSize
This was fixed upstream with commits 1cd34f9d2bef6c92ed457c6aa85bf4d9b5111e90 and 7c5d36eca76c905a122c1, which are combined in the .diff file in this commit.