Merge pull request #1219 from spdx/release-notes-3.12

Add release notes for 3.12

Author: swinslow

RELEASE-NOTES.md

@@ -1,5 +1,28 @@
 # Release Notes for SPDX License List
 
+## version 3.12 - 2021-03-07
+
+New licenses/exceptions added: 10
+
+1. BSD-3-Clause-Modification
+2. BSD-4-Clause-Shortened
+3. CC-BY-SA-2.1-JP
+4. C-UDA-1.0
+5. DRL-1.0
+6. FreeBSD-DOC
+7. GD
+8. MIT-Modern-Variant
+9. NAIST-2003
+10. OGDL-Taiwan-1.0
+
+The test / build / deploy CI system has been migrated from Travis to GitHub Actions.
+
+Updates to various documentation, cleanup of markup for various licenses and other minor changes.
+
+See all PRs for 3.12 here: https://github.com/spdx/license-list-XML/pulls?page=1&q=is%3Apr+milestone%3A%223.12+release%22+is%3Aclosed
+
+See comparision of changes from 3.11 to 3.12: https://github.com/spdx/license-list-XML/compare/v3.11...v3.12
+
 ## version 3.11 - 2020-11-25
 
 New licenses/exceptions added: 6