[TxMt] Change in behaviour of new-line with braces - CSS, PHP, JS, maybe all grammars?

In one of the recent updates (I think), the default behaviour when hitting return inside a new set of braces seems to have changed.

Previously opening a pair of braces and hitting return would result in the following:

{ // caret here }

Now I get:

{ // caret here}

This is affecting all the grammars I commonly use - PHP, CSS, JS but presumably is global.

Did I inadvertently change a setting somewhere or is this a change of the default TextMate behaviour that I missed?

Either way, is there a way to return to the old behaviour? I have done a few searches and seen some mentions in certain languages that you may be able to build a snippet to fire on enter if the syntax supports specific enough scoping but I'm failing to get it to work for me.

Dom