WPF Upgrade
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I was recently scouring the community here for assistance with switching to WPF for a user control instead of a WinForm, and I came across a recent posting about upgrading a site and being forced to upgrade to WPF. However, I haven't come across that in release notes. Can someone confirm this is true that after a certain release WPF is required for Add-Ins, and if so can you tell me which release so I may look at the documentation?
Original thread below the first sentence was what threw me, but not much information is provided.
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