This affects your wiki if you are using both Flow and Nuke.
We recently fixed
https://phabricator.wikimedia.org/T162621 , an issue
with Flow's Nuke integration.
This has now been merged to master as well as the two supported Flow
release branches (1.27 and 1.28):
master -
https://gerrit.wikimedia.org/r/#/c/348407/ (merged)
1.27 -
https://gerrit.wikimedia.org/r/#/c/348408/1
1.28 -
https://gerrit.wikimedia.org/r/#/c/348409/1
This has already been deployed to WMF production.
There is an unrelated Jenkins issue with 1.27 and 1.28. Until those are
merged, you can download the patches using Download->Checkout in the
top-right of Gerrit. Sorry for the inconvenience.
Matt Flaschen