I upgraded a rocket silo with both rockets fully built from uncommon to rare quality, and the second rocket was deleted

The same happened when I reversed the quality, so it seems to be easily reproducible

iron plates on the platform requests happens when I do a ghost-item request on an assembler
removing the request from the assembler sets the platform requestt to 0, and does not remove if from the list

This also happened to me, I believe this happens when the game is saved and loaded while the train is idle and waiting for "work"

My workaround was to add a "park" interrupt at the end of the list, that sends a train to a specific station with a time passed wait condition

I have a suggestion/request: faster roket speed, as a research or as a rocket upgrade

For example, adding rocket fuel to explosive rockets to make them "supersonic"