platform provider Heroku were given early access. Why did this occur?</h2>
<p>Heroku was given access to updated source code which patched the
vulnerability at the same time as other packagers. Because Heroku was especially
-vulnerable, the PostgreSQL Core Team worked with them both to secure their
+vulnerable, the PostgreSQL Core Team worked with them -- to secure their
infrastructure and to use their deployment as a test-bed for the security
-patches, in order to verify that the security update did not break any
+patches. This helped to verify that the security update did not break any
application functionality. Heroku has a history both of working closely with
community developers, and of testing experimental features in their PostgreSQL
service.</p>