UPDATE: Adding a 2019; the discovery/runner integration mechanism is same as per 2017 & 2015, so the key things that can go wrong are the
zabbix-api
icollection
outlook-filter
outlook-addin
page-size
pathlib
string-comparison
alibaba-cloud-oss
cfwheels
azure-packaging
hbm
hazard
pybrain
gamma-correction
bloom-filter
qtextbrowser
kqlmagic
rebol2
jasmine2.0
setitimer
django-graphql-jwt
strapi
nmake
gmaven-plugin
polling
topdown
imageicon
ix.net
mscorlib
interface-builder