[Silhouette]

I have yet to hear a single legitimate complaint against it that actually holds up to scrutiny.

It breaks about 2/3 of the extensions I was using, and many of them don't currently have similar replacements available. That's a big loss in some of the functionality that made Firefox attractive as my default browser.

I understand the desire to fix fundamental architectural limitations. In the medium term some of those extensions will probably be updated or replaced. In the long term, the improvements may well pay off in terms of better security and better performance and easier development allowing faster progress. As a software developer I can see that the move was rational even if it is also somewhat controversial.

But in the short term, the loss is still significant for some users. That's a perfectly legitimate concern, and it's apparently sufficient that some people are not upgrading this time.