I'm interested in, as also working on projects based on Pier3.
I migrated one site to the latest Pier. It looked quite fine locally, but when deployed, all sorts of problems popped up to the point that it is hardly useable.
If anyone is interested in joining forces to track things down, please let me know.
"It's not what we do that matters most, it's how we do it."
Magritte, Pier and Related Tools ...