A related thing that used to annoy me is that vanilla Android wouldn't connect to ad-hoc WiFi networks. Third-party ROMs usually would, so it wasn't due to a ha

A related thing that used to annoy me is that vanilla Android wouldn't connect to ad-hoc WiFi networks. Third-party ROMs usually would, so it wasn't due to a hard problem. The bug report had a two-digit number and Google steadfastly refused to fix it for years. I haven't seen an ad-hoc network in a long time, but they were common when Android was young.