Announcement: Upgrade to macOS Mojave

With features like Dark Mode, Stacks, and four new built-in apps, macOS Mojave helps you get more out of every click. 
Find out how to upgrade to macOS Mojave > https://support.apple.com/macos/mojave

Question:

Question: Firefox showing black screen after Mojave update (MBP '13 Non Touch Bar 2017)

After the Mojave update Firefox is not working. It shows a black screen on launch and nothing works. Even when I open the "about Firefox" pane the dialog box that appears is black. I've uninstalled and re-installed but in vain. I've even tried installed the beta and nightly versions, but same issue on those as well. My current Firefox version : 62.0.3.

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Using MBP 13 inch non Touch Bar - 2017

MacBook Pro, macOS Mojave (10.14)

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Answer:
Answer:

It is a problem with Firefox in relation to the new geek-kid "Dark Mode" ...

Open terminal and run the following command:

(and then logout)


defaults write -g NSRequiresAquaSystemAppearance -bool YES

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Question: Firefox showing black screen after Mojave update (MBP '13 Non Touch Bar 2017)