8b476d82 · Fix #16299 by deleting incorrect code from IfaceSyn · Feb 12, 2019

db039a4a · Add regression test for #15918 · Mar 05, 2019

78dd04f9 · Fix #16385 by appending _maybe to a use of lookupGlobalOcc · Mar 06, 2019

068b7e98 · Fix #16391 by using occCheckExpand in TcValidity · Mar 07, 2019

4db9bdd9 · Add regression test for #16347 · Mar 12, 2019

acef0520 · Fix #16427 by including dataConOrigArgTys in an error message · Mar 12, 2019

36546a43 · Fix #16411 by making dataConCannotMatch aware of (~~) · Mar 13, 2019

8162eab2 · Remove the GHCi debugger's panicking isUnliftedType check · Mar 15, 2019

8d18a873 · Reject nested predicates in impredicativity checking · Mar 20, 2019

f38993f9 · Correct duplicate 4.12.0.0 entry in base's changelog · Mar 24, 2019

9a3d26f9 · Tweak error messages for narrowly-kinded assoc default decls · Apr 03, 2019

25c02ea1 · Fix #16518 with some more kind-splitting smarts · Apr 04, 2019

51fd3571 · Use funPrec, not topPrec, to parenthesize GADT argument types · Apr 04, 2019

c9548d1f · WIP: Fix 14198 · Apr 04, 2019