As previously announced, we have ramped up the updated taxonomy (version 2) to 50% of Chrome Beta, Dev and Canary. Assuming metrics look good, then the next step will be to ramp up in Chrome Stable. Beginning the week of 8/28, our current plan is to ramp up to 1% for two weeks then begin the ramp up to 100%.

During the ramp up, users may have a mixture of topics from the v1 and v2 taxonomy. Developers will be able to differentiate between taxonomy versions by inspecting A) the topic id (>349 is from taxonomy v2) or B) the taxonomyVersion property in the response object.

We are interested in feedback from the ecosystem on our ramp up plan. For example, should we instead ramp up to n% and hold for some fixed number of weeks, to give developers time to update their integrations? If so, what is n?