hkl 5.0.0.2449-2 is marked for autoremoval from testing on 2019-02-01 It is affected by these RC bugs: 916867: hkl: FTBFS with Emacs 26.1 917676: hkl: FTBFS: ../../hkl/ccan/generator/generator.h:23:2: error: #error Generators require coroutines