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breaking or enforcedLightning Web Components
Legacy lightning/platformResourceLoader behaviour changes
Scripts loaded through lightning/platformResourceLoader are now evaluated in strict mode, which breaks components relying on implicit globals.
identifiers
lightning/platformResourceLoaderlightning/navigation
metadata types
LightningComponentBundle
editions
EnterpriseUnlimitedDeveloper
flags
enabled by defaultno action required
- how
- Audit lwc bundles that import lightning/platformResourceLoader and declare variables explicitly.
- who
- Developers of Lightning web components.
- when
- Summer '26.
- where
- Lightning Experience and Experience Cloud sites.