The folks behind #UblockOrigin are racing to keep up with Google's engineers' countermeasures, and there's a single-serving website called "Is uBlock Origin updated to the last Anti-Adblocker YouTube script?" that will give you a realtime, one-word status update:

https://drhyperion451.github.io/does-uBO-bypass-yt/

One in four web users has an ad-blocker, a stat that @dsearls pithily summarizes as "the biggest boycott in world history":

https://doc.searls.com/2015/09/28/beyond-ad-blocking-the-biggest-boycott-in-human-history/

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