It was bewildering to me in the moment that when TOTK was leaked that they didn't restrict themselves from working on the emu to handle TOTK. It was some nod and wink "breath of the wild" improvements coming in all of a sudden.
Like... for real? If I were the project lead I would've banned discussion and development about it until after launch. And part of the legal filing from Nintendo is that Yuzu's own telemetry shows that Yuzu devs must be aware of piracy because they can see games being played on the emulator pre-launch. Make of that what you will.