[webkit-dev] Announcement: web replay support

Brian Burg bburg at apple.com
Mon Jan 13 16:03:01 PST 2014

Hello all,

I’m excited to announce that I’ve begun work on upstreaming web replay support into WebKit. Web replay functionality allows developers to debug their web applications by exactly recording interactions with a web program, and then replaying the resulting execution at will. A prototype implementation has integration with the Web Inspector, and supports many important web features.

Most replay-related code will be behind the ENABLE(WEB_REPLAY) flag. It will be off by default until folks feel that the feature is ready for feedback through nightly builds.

A high-level technical description of the prototype is available in the following paper:

There’s also short demo video from last year:

Some accumulated details are on the prototype's wiki:

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