I don’t have the knowledge to say just how different the Librem 5 is from its devkit, but it may be possible that it is similar enough that there is no meaningful difference from a development perspective and this is a non issue?
The UBPorts people claim that this is in fact an issue - watch the video starting at 6:33min: https://youtu.be/KSGCWXpzm4E?t=393