Github user robertdale commented on a diff in the pull request:
https://github.com/apache/tinkerpop/pull/720#discussion_r140465221
--- Diff: docs/src/upgrade/release-3.2.x-incubating.asciidoc ---
@@ -95,6 +95,19 @@ In `gremlin-test` there is a new `GraphHelper` class
that has a `cloneElements()
the first graph to the second - `GraphHelper.cloneElements(Graph original,
Graph clone)`. This helper method is
primarily intended for use in tests.
+Upgrading for Providers
+~~~~~~~~~~~~~~~~~~~~~~~
+
+ReferenceVertex Label
+^^^^^^^^^^^^^^^^^^^^^
+
+`ReferenceVertex.label()` was hard coded to return `EMPTY_STRING`. At some
point, `ReferenceElements` were support to
--- End diff --
'to support'?
---
