Apologies, will do so in future. This was observed in 2.0.10. I kind of expected it would be intended behaviour, my report is more so that it's not expected behaviour; it may be helpful to have a note in the Factoriopedia or someplace where a player can check this without sacrificing resources.

Tested a second time and using q to pipette the brick I placed with quality still gave me back a non-quality brick. My understanding is that background tiles can't have quality (though rails can, I guess they have HP while stone brick doesn't so they're not background)

Just found this while messing around. I was curious if quality did anything to stone paths, like improved walking speed or something. I placed a 2-pip quality (uncommon?) brick, picked it up by pressing Q on another stone brick and mining the brick I placed, and got a non-quality (normal) brick back...

I had this same issue come up on my first Space Age run as well. Missed the achievement by one minute my first time around, figured I'd go back to a prior save and got the train at about 1:26. Waited out the clock until 1:30 just to be sure it didn't have a weird trigger condition. I placed the trai...