Pyrefly VS Code extension silently disables competitor extensions without user consent
By
FossAndFurious
Solid neighbourhood-bakery energy. Trustworthy and warm.
Summary
Pyrefly, a VS Code extension, silently disables language services for three competing third-party extensions by writing to the user's global settings upon activation, without any user notification or consent. These settings are never restored when Pyrefly is deactivated or uninstalled, permanently breaking the affected extensions until manual user intervention. The behavior has been verified through live reproduction and is documented with source code references.
Key quotes
· 3 pulledOn activation, Pyrefly silently writes disableLanguageServices = true to the user's global VS Code settings for three named third-party extensions, without prompting the user or notifying them in any way.
These settings are never restored when Pyrefly is deactivated or uninstalled, leaving those extensions permanently broken until the user manually intervenes.
This has been verified by live reproduction on a real machine (see below).
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