#1183 chore: allow v3 matchers in message metadata Pull request opened by mefellows Metadata values always had their matchers stripped off. Once the matchers (integration JSON) were able to be passed in, we needed to update the core (pact-foundation/pact-js-core#493) to use the latest metadata FFI method, which allowed this structure to be passed in. Fixes #1133 Fixes #745 pact-foundation/pact-js ✅ All checks have passed 19/19 successful checks