GIMP fails to compile

[woot000]

Tried running yay -S gimp-develop-git today, got the same error as AUR user alex-y got several months ago. His suggestion of uninstalling vala no longer works because vala is listed as a make dependency, so this package cannot be created.

[ 47% | 1295<32<1380 | 38.8bps ] Compiling Vala source libgimp/gimp-3.1.vapi libgimp/gimp-ui-3.1.vapi ../gimp/extensions/goat-exercises/goat-exercise-vala.vala
FAILED: [code=1] extensions/goat-exercises/goat-exercise-vala.p/goat-exercise-vala.c 
valac --depfile extensions/goat-exercises/goat-exercise-vala.depfile -C --debug --disable-since-check --pkg gtk+-3.0 --pkg gexiv2 --pkg gegl-0.4 --pkg gdk-pixbuf-2.0 --pkg cairo --color=always --directory extensions/goat-exercises/goat-exercise-vala.p --basedir ../gimp/extensions/goat-exercises libgimp/gimp-3.1.vapi libgimp/gimp-ui-3.1.vapi ../gimp/extensions/goat-exercises/goat-exercise-vala.vala
../gimp/extensions/goat-exercises/goat-exercise-vala.vala:64.7-64.12: error: The name `GimpUi' does not exist in the context of `Goat.run'
   64 |       GimpUi.init(PLUG_IN_BINARY);
      |       ^~~~~~                      
../gimp/extensions/goat-exercises/goat-exercise-vala.vala:67.15-67.20: error: The name `GimpUi' does not exist in the context of `Goat.run'
   67 |           new GimpUi.Dialog(_("Plug-In Example in Vala"),
      |               ^~~~~~                                     
../gimp/extensions/goat-exercises/goat-exercise-vala.vala:51.29-51.34: error: The name `GimpUi' does not exist in the context of `Goat.create_procedure'
   51 |     procedure.set_icon_name(GimpUi.ICON_GEGL);
      |                             ^~~~~~            
Compilation failed: 3 error(s), 0 warning(s)
[ 49% | 1326<1<1380 | 18.2bps ] Linking target plug-ins/file-dds/file-dds
ninja: build stopped: subcommand failed.
==> ERROR: A failure occurred in build().