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
app-transport-security
spanned
microsoft.extensions.http
semplot
emplace
rule-engine
iwork
jzy3d
alter-table
dafny
javascript-injection
jsbarcode
yii2-module
bitbucket-api
kivy-language
bitshares
imagegrab
report-studio
instagram-boost
aws-devops
readyroll
amp-list
google-hangouts
project-organization
root-element
scriptella
asana
boost-mpi
interaction
predis