Passing any other file type than .hdr to Environment files prop?

[ashleymvanduzer]

whether an array, or as as a single file? Is this possible? I can convert to cube texture via [donmcurdy] passing pngs (https://matheowis.github.io/HDRI-to-CubeMap/), and use a cubemap, but otherwise I keep getting 'Bad initial token' error. If not, what is the best way to convert from any other format to an hdr that works? converting online doesn't seem to work, maybe the file is getting corrupted... Any ideas would be greatly appreciated!