uiTemplateMarker could return early with a MarkerUpdateCb not freed, now fixed. Part of #120767 Pull Request: https://projects.blender.org/blender/blender/pulls/121101
uiTemplateMarker could return early with a MarkerUpdateCb not freed, now fixed. Part of #120767 Pull Request: https://projects.blender.org/blender/blender/pulls/121101