"It's time for an update, especially during a period of rapid progress. Over the past six months, I've been incrementally reorganizing the entire codebase from top to bottom. This in itself didn't really produce direct tangible performance benefits. However, I was finally able to implement the Holy Grail: efficient per-token RD optimization. This was the Big Win that would suddenly allow lots of big and small incremental improvements to pile up together and bring Theora's bitrate efficiency into the modern era..."