FAQs for using mBlock 3 Web Editor and Mac Version

1. Why can't I use mBlock 3 web editor in Google Chrome? Can I use mBlock 3 web editor in other browsers?

Due to Adobe will end support of Flash Player on December 31, 2020, whereupon mBlock 3 web editor that runs with Flash Player will no longer be available for browsers including Chrome, Apple Safari, Microsoft Edge, IE, Mozilla, etc. Please back up your data just in case of data loss.

See Adobe official announcement: https://theblog.adobe.com/adobe-flash-update/

2. When will mBlock 3 web editor be no longer available?

mBlock 3 web editor will be no longer available after the end of Flash Player on December 31, 2020. Before that, you can still use mBlock web editor.

3. mBlock 3 has been used on the textbooks. What should I do when mBlck 3 web editor is not available?

mBlock 5 now not only supplies all the needs that are met in mBlock 3, but also updates with many new features. (To learn more about mBlock 5, visit https://www.mblock.cc/en-us) Thus, we would like to recommend you mBlock 5 for teaching or learning coding. If you have to use mBlock 3, please download mBlock 3 desktop versions. We're very sorry for any inconvenience brought by.

4. Can mBlock 5 replace mBlock 3? What are the differences between mBlock 5 and mBlock 3?

As the latest version, mBlock 5, Scratch 3.0 based and enhanced, updated with more new features including AI, IoT, and machine learning. Besides, 400+ block extensions in mBlock 3 have been migrated to mBlock 5. For details about the differences between mBlock 3 and mBlock 5, see mBlock 3 VS. mBlock 5.

5. Why can't I use mBlock 3 on Mac with the latest operating system macOS Catalina 10.15? When will mBlock 3 Mac version be unavailable?

With the release of macOS Catalina 10.15 in October 2019, 32-bit app support is no longer available, whereupon mBlock 3 will no longer work on macOS Catalina 10.15 and future versions of macOS, unless it is updated to mBlock 5, the latest version of mBlock. Please back up your data before update just in case of data loss.

See Apple announcement: https://support.apple.com/en-us/HT208436

6. Can I still run mBlock 3 on Windows?

Yes. mBlock 3 windows desktop version is not affected by macOS Catalina system.

7. I have to use mBlock 3 on Mac. What should I do?

As the latest version, mBlock 5, Scratch 3.0 based and enhanced, is updated with more new features including AI, IoT, and machine learning. Besides, 400+ block extensions in mBlock 3 have been migrated to mBlock 5. To learn more about mBlock 5, visit https://www.mblock.cc/en-us.

But if you do have to use the mBlock 3 Mac desktop version, you can hide macOS software update notification if the system has not been updated. If you've already upgraded to macOS Catalina, you might need to reinstall macOS Mojave.

Methods below might guide you on how to use a 32-bit app on the Mac desktop. (These methods are googled for your reference. They are not mBlock official suggestions.)

8. Regarding the issues about mBlock 3, how can I reach out to the mBlock Team?

If there's any issue about mBlock 3, please feel free to let us know through the Makeblock forum or email our support team with the subject line: [mBlock 3 web editor issue] to support@makeblock.com.

9. Does mBlock 5 support all the hardware in mBlock 3?

mBlock 5 not only supports all the hardware in mBlock 3, but also supports new products such as Codey Rocky, Halocode, Motionblock, Neuron, etc.

For details about the differences between mBlock 3 and mBlock 5, see mBlock 3 VS. mBlock 5. For detailed hardware guides, see Hardware Guide Overview.

10. Why mBlock 5 is better than mBlock 3 for teaching and learning programming?

As the latest version, mBlock 5, Scratch 3.0 based and enhanced, updated with more new features including AI, IoT, and machine learning. Besides, 400+ block extensions in mBlock 3 have been migrated to mBlock 5.

For details about the differences between mBlock 3 and mBlock 5, see mBlock 3 VS. mBlock 5.

11. What operating system does mBlock 5 support?

You can use mBlock 5 on all platforms. mBlock 5 supports coding online, or downloading Windows, Mac, Mobile, and even Chromebook desktop version.

12. I have to use mBlock 3. What should I do?

mBlock 3 Windows version works normally. If you do have to use mBlock 3, please download mBlock 3 desktop versions. Before the end of Flash Player on December 31, 2020, you can still use mBlock 3 web editor.

mBlock 3 Mac version is unavailable on macOS Catalina 10.15 and any future versions of macOS. If you do have to use the mBlock 3 Mac desktop version, you can hide macOS software update notification if the system has not been updated. If you've already upgraded to macOS Catalina, you might need to reinstall macOS Mojave.

Methods below might guide you on how to use a 32-bit app on the Mac desktop. (These methods are googled for your reference. They are not mBlock official suggestions.)

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