We’re a bit light on features this month because we’re working on a new site quality report. More on that next month. In the meantime, we have some helpful additions:
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React v16 is innovative. It comes with better error handling and new features like Error Boundaries, Fragment, Portals, Lazy, Memo, a new Context API, Hooks, Suspense, and concurrent rendering. I have been upgrading a large React code base from
React v15 to
React v16. This upgrade was clearly necessary but implementing is nontrivial on a large codebase. Thanks to the React team at Facebook, the migration path looks easy. Unfortunately, this was not the case.
Nothing changed in your code. All of a sudden, a tidal wave of errors start happening for Microsoft Edge users. What the heck happened?
On August 28th, 2019, many TrackJS customers saw a sudden surge in errors from Microsoft Edge browsers:
Failed to construct 'Request': Invalid Argument and
Failed to execute 'fetch()' on 'Window': Invalid argument".
Todd and David discuss tools and techniques to debug remote devices, such as phones and kiosk computers.Read more »