I was in the middle of doing a series of escape flights at around 4:35 am server time when the minimum flight time suddenly dropped from 5 min to 3 or 2 min. I situated some of my planets close together so that I could use the minimum time to get a consistent escape flight time across many planets. The escape flights all each contained transmitters, spy probes, and recyclers and no engine research completed at the time of the change. I also did a test with a recycle mission on the same planet and I still got the usual minimum 5 min flight time.
Is this a permanent change or a temporary bug? If it is permanent I would like to know so I can move/delete some planets.
Thanks.