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Indeed we slightly changed the forum section titles, hopefully for the better.
But we haven't reorg the topics accordingly, so you will find some topics in the wrong area, I suppose, but as the sections order has not changed, you should be able to find the topics where you left them yesterday.
Basically we only added the "Suggestions" section and retitled the two main sections (to Installation and Usage) in order to restrict their respective scope, as they tend to get mixed up lately...
This way, we hope users will avoid duplicating their questions through the different sections of the forum. And reading through the forum should get easier.
But nothing is frozen... and suggestions are welcome!!