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Please do what you can about this. Many of us are waiting somewhat impatiently. Because all of my SEO plugins are on Firefox, I need to open a separate Chrome browser just to use the MozBar. I really need it back on Firefox./

In the Moz article titled Should You Pay for Local Listings Management? by Miriam Ellis, she makes this statement:

"Prominence, proximity, and distance are the three types of factors Google tells us it takes into account when ranking local businesses. "

I always thought that classic on- and off-page SEO was one of those three factors. What puzzles me about Miriam's statement is this: What's the difference between distance and proximity?

Aren't they the same thing?

"A note to Firefox users
With this change, we will temporarily disable the Firefox version of the MozBar. You may have noticed that the Firefox and Chrome versions of the MozBar are not the same. This is due to Mozilla’s review process, and us being unable to get new versions approved despite multiple attempts.

Good news on the horizon! Firefox will start accepting Chrome-based extensions with the release of Firefox v48, which means soon there will be one version of the MozBar. When v48 is released, we will re-enable the MozBar in Firefox. In the meantime you can use the free Google Chrome version."

Two and a half years later, this still appears to have not been  fixed. Am I wrong? If not, have you abandoned Firefox permanently?