The bitcoin node on explorer.bisq.io started yesterday to enforce UASF-BIP148:
https://bitnodes.21.co/nodes/explorer.bisq.io-8333/
The bitcoin code which runs is:
This is the former patch of bitcore insight block explorer that I gathered for v0.13.2 plus a merge of BIP148 diff:
This makes https://explorer.bisq.io:8443/insight/ the first block explorer in the world that supports BIP148 !!!
For now (July 2017), the blocks are identical to the main chain
greetings,
Grazcoin