Depending on performance there might be enough to keep XT2 users from going over to other systems until IBIS becomes a standard feature. However, It's hard to see where the XT system is going now the XH series has been thrown in to the mix and other manufacturers have started to take mirrorless more seriously.Nothing much to get too excited about to be honest, having used IBIS with my other half's X-H1 I think that's a real missed opportunity as it is very effective and incredibly useful for the lenses without OIS.
Everything else looks to be incremental upgrades for the most part so I'll stick with my X-Pro2 for now. If the new sensor is a real step up or the AF is a big jump then I'd probably be tempted to upgrade when the X-Pro3 comes out.
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