[imsc] Pull Request: Add profile designator changes to substantive change section

palemieux has just submitted a new pull request for https://github.com/w3c/imsc:

== Add profile designator changes to substantive change section ==
Closes #508 

See https://github.com/w3c/imsc/pull/510

Received on Friday, 6 December 2019 16:07:09 UTC