Thanks Mike Stein for coming up with this solution.
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T7QIIGQ6YYTTYCVHVEAZSUQ3O4LYBHGPFL4K6D5TA4BA7PND4EJQC
JOPVPUSAMMU6RFVDQR4NJC4GNNUFB7GPKVH7OS5FKCYS5QZ53VLQC
OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC
love.keyboard.setTextInput(true) -- magic. keeps iOS from losing textinput events after switching apps.