Guild Wars 2

A-Combine lower Tier servers and allow free transfers TO them. PvE will be almost unaffected. The only PvE affected is the karma events in Orr and people are over those by now and would like to unlock the temples instead. They are empty on lower servers, anywho.
You might as well do it now because the current state will frustrate people who consider WvW end game and they will leave the game and then you will be forced to combine the servers but by then it would be a bit late.

Or

B-Combine lower Tier servers in WvW only and leave PvE seperate. They are able to match up different servers in spvp and can allow guesting so I’m sure this is possible.

Or

C-Remove AOE cap. With the AOE cap and the downed state in wvw, numbers will always beat skill. If you do these changes then this will give lower tier servers a fighting chance and guilds made around 5-10man groups will flock to those servers.

Or

D-Matchups according to traffic but this is a weak option as several servers stop going to WvW if they are losing badly.