At least in the case of Microsoft + node foundation, they are forking node so it can operate on top of the MS Chakra "JScript" VM. Chakra supports reverse debu

At least in the case of Microsoft + node foundation, they are forking node so it can operate on top of the MS Chakra "JScript" VM. Chakra supports reverse debugging ("time travel debugging"), similar to the rr project (https://rr-project.org https://rr-project.org). So... so far: 1. Embrace (join node foundation as platinum member) [1] 2. Extend (add ChakraCore support, time travel debugging) [2] 3. ? [3] If you are smart enough you see where this is going. [1]: https://foundation.nodejs.org/about/members https://foundation.nodejs.org/about/members [2]: https://github.com/nodejs/node-chakracore https://github.com/nodejs/node-chakracore [3]: https://en.wikipedia.org/wiki/Embrace,_extend,_and_extinguish https://en.wikipedia.org/wiki/Embrace,_extend,_and_extinguis...