I kinda have to agree. I'm constantly trying to teach Gboard new words because I'm in Japan and it doesn't know things like "takadanobaba". It eventually learns

I kinda have to agree. I'm constantly trying to teach Gboard new words because I'm in Japan and it doesn't know things like "takadanobaba". It eventually learns it, remembers it for a little bit, and then...forgets it? I don't know if it has an LRU cache and I don't use it often enough that it gets evicted, but it's frustrating. That and the fact that a comma button doesn't exist and isn't configurable, but we'll make extra sure you have an emoji button!