Forum post character limit increased

[Sove92]

At any rate, the limit is very specifically a vBulletin thing.
AdminCP > Settings > Options > Message Posting and Editing Options > Maximum Characters per Post

The limit really doesn't matter except to curtail spam, and "quote" pyramids. If something else was the issue, it's not Vbulletin, PHP or the underlying SQL server imposing it.

That is not the limit SE is using for these forums. The built-in limit applies to all posts, on everybody, on all sections and it cannot be bypassed by editing. They are using their own vB hack to do this, so they could impose the limits to certain sections, while keeping sections like bug reports unlimited. Needless to say, it's not coded very well.