Blockly Migration Guides

[Gabriel]

Hi, I'm currently upgrading some plugins from Blockly V10 to V11 and V12, and I’m wondering if there’s an official migration guide. The only thing I’ve found so far are the release notes for the major versions, but they aren’t very detailed.

For example, block.warning was removed in Blockly V11, which caused an error in the plugin, but I couldn’t find any documentation about this change.

[Mark Friedman]

They're not quite migration guides, but the Blockly release notes give you all the details. You might be particularly interested in the notes for the major versions, i.e. V11 and V12.

Hope this helps.

-Mark

On Wed, Aug 27, 2025 at 9:33 AM Gabriel <gabriel...@gmail.com> wrote:

Hi, I'm currently upgrading some plugins from Blockly V10 to V11 and V12, and I’m wondering if there’s an official migration guide. The only thing I’ve found so far are the release notes for the major versions, but they aren’t very detailed.

For example, block.warning was removed in Blockly V11, which caused an error in the plugin, but I couldn’t find any documentation about this change.

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