The article discusses a bug in Google Chrome's MV3 update that allowed adblockers to function despite the update's restrictions. The bug was found and reported to Google in 2023 and was patched in Chrome 118. The author notes that the bug was not considered a security issue by Google, as it did not give extensions access to new data. The article highlights the ongoing debate about the impact of MV3 on adblockers and user privacy.