The "Bromite adblock engine" was what was used up to v76 and was originally based on NoChromo engine. The native Chromium adblock engine is the subresource fil

The "Bromite adblock engine" was what was used up to v76 and was originally based on NoChromo engine. The native Chromium adblock engine is the subresource filter and works with the modern NetworkService; this has already been answered on XDA, but basically it is more efficient and has a bit more features (CSS filtering).