Highlighting of new resources broken in Concourse 4.0.0, which was a super useful feature to see what triggered a given build. In previous releases the resources versions which changed since the last build were highlighted in the UI but now all the resource bar appear as the same color:

Looks like a missing CSS rule. I installed a browser plugin to define custom CSS rules when the site loads and this fixes it:
.build-step.first-occurrence > .header {
background: #5f5b5b; /* probably not exactly the right shade */
}
Back to normal:

The following can also be handy:

Is there any associated documentation about this ? Otherwise it will remain a secret passed around the campfire on Discord :-)
I have an action item to start documenting / explaining our UI elements in the UI! because...its actually pretty tough to read for newcomers. Happy to have folks jam on it too down the road!
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