Trivial stuff.
We have a couple of little rear lights sitting around, with belt clips that also fit the right sort of seatpost fitting bracket. We have more lights than we have unobscured places to put the right sort of brackets, so I put one of the lights on the back of Mrs B's rack bag, which has a loop for a belt clip. The belt clip isn't secure enough on that for my taste, so I fixed the light on with a cable tie.
The inner tube from Mrs B's retired back wheel wouldn't go in the new wheel, because the rim is deeper & it has a short valve. I was going to put it in the spare tube collection, but realised that there's now only one wheel it'll fit on any of our bikes, so decided to put it on that wheel. That way, all the 700C spares will fit all our road wheels. So, off comes Mrs B's front wheel - and eventually, after a hell of a battle, the tyre. I think it hadn't been off the wheel for at least two years, & probably longer. No patches on the tube.
A bit easier putting it back than taking it off. I'm hoping that will have loosened it up a bit, because I don't fancy doing that on the road, especially not if it's cold, dark, & raining.