Sorry to bump this up, but i was thinking,

If you increase the "iteration" to a higher number than there is saved/available,
right now it will redirect to "http://www.babylonjs-playground.com/"
why not redirect to the highest available?

E.g,
If you go to;
http://www.babylonjs-playground.com/#JZRDRD#1
Increase it from # 1 to # 2 & update and it will redirect you to http://www.babylonjs-playground.com/

Thought it could be a nice and quick way to find the newest update to a PG by just having to add # 999 or something and it would redirect you to the highest available for the PG.

really like the idea! Fancy doing a PR?

I don't know much about the PG code tbh, but i took a quick look at the publicly available files,
However i don't see any back-end files anywhere and I think it would be most optimal to do it when querying for a snippet,
so when querying, if the version is higher than 0 but doesn't exist, return highest available.

the code is here: https://github.com/BabylonJS/Documentation-server