rrweb

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### Preflight Checklist - [X] I have searched the [issue tracker](https://www.github.com/rrweb-io/rrweb/issues) for a feature request that matches the one I want to file, without success. ### What package is this...

deepvoice

This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically....

github-actions[bot]

Simplify the hover replacement function

2

See #1458 and https://github.com/giuseppeg/postcss-pseudo-classes/blob/master/index.js for the full version; we didn't need all the features so we added `if (pseudoToCheck !== ':hover') {` but this PR goes further to reduce code.

eoghanmurray

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bucketclan

[Bug]: rrweb/rrwebPlayer scrubbing not working?

1

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whydna

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iwasrobbed

[Bug]: Firefox Addon causes "This page is asking you to confirm that you want to leave" on all navigation

1

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jrmuizel

ref: comptime lookup for tagName

3

Attempt to bypass tagName regexp execution by performing a lookup for the most common static tagName values. Also skips a call to uppercase since tagName is already uppercase Related to...

JonasBa

perf: coerce blockSelector and blockClass to a single concept and reduce branching

2

this builds on top of https://github.com/rrweb-io/rrweb/pull/1536, the idea is to create a single blocking selector and remove some runtime checking and branching inside isBlocked This is a stacked PR btw,...

JonasBa

ref: isParentRemoved to cache subtree

2

isParentRemoved is called super often for each node that we add. I think that for a graph of A->B->C, the current logic results in an On^2 runtime as each visit...

JonasBa