RxJS: What’s Changed with shareReplay?

Photo by Namroud Gorguis on Unsplash

In RxJS version 6.4.0, a change was made to the shareReplay operator. Let’s look at why the operator needed to be changed, what was changed and how the change can be used to avoid surprises — and bugs.

If you’re only interested in the change, skip to the TL;DR at the bottom of the article.

The operator’s history

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