Where does the bug appear (feature/product)? Cursor IDE Describe the Bug After updating Cursor today (January 20, 2026), the Prettier extension fails to activate with an ESM module loading error. Error from Extension Host log: [error] Activating extension esbenp.prettier-vscode failed due to an e…

It appears to be resolved in recent update. Version- 2.4.2

Hey there! Have a look over here: [image] Prettier broke after updating Cursor to 2.39.41 Bug Reports hi folks. we identified the issue causing the Prettier extension to stop working as of v12. we are rolling out ESM support over the next few days.

Prettier Extension v12.x fails to activate after Cursor update

Support Bug Reports

Colin (Colin) January 20, 2026, 4:14pm 3

Hey there!

Have a look over here:

Topic		Replies	Views
Prettier broke after updating Cursor to 2.39.41 Bug Reports installation , extensions	10	6827	February 21, 2026
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Prettier fails to initialize Bug Reports	5	683	December 22, 2025
Prettier extension fails with "cannot format [filetype]-files" error on all file types Bug Reports extensions	18	10907	January 27, 2026
Prettier plugins cannot be used to format code in cursor; no files are supported. Previous versions of cursor could use this feature Bug Reports extensions	3	180	January 22, 2026

Prettier Extension v12.x fails to activate after Cursor update

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