Debugging Angular Hydration Mismatches: NG0500 Errors and Fixes [2026]

Lesson 10.8 of the Angular tutorial — debugging hydration mismatches: what each NG0500-range error means, a step-by-step routine, the usual culprits (random values, browser-only APIs, invalid HTML nesting, DOM manipulation, stripped whitespace), when ngSkipHydration is justified, and the Angular DevTools hydration overlay.

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Why Isn’t My Angular Route Guard Firing? canMatch, canActivate and More [2026]

Lesson 10.7 of the Angular tutorial — why route guards don’t run when you expect: canMatch, canActivate, canActivateChild and canDeactivate semantics, guards on parent and lazy routes, runGuardsAndResolvers and query params, async guards that never emit, and redirects with UrlTree and RedirectCommand.

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