Old issue... Blender saves jpg RGBA files. That's unsupported in all programs except Blender, always a source of problems with that feature. Now it just falls back to saving 24 bits when the "RGBA" option is set.
Old issue... Blender saves jpg RGBA files. That's unsupported in all programs except Blender, always a source of problems with that feature. Now it just falls back to saving 24 bits when the "RGBA" option is set.