try "Issue and Pull Request templates"

https://github.com/blog/2111-issue-and-pull-request-templates

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,7 @@
+Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!
+
+- [ ] I looked for a similar issue and couldn't find any.
+- [ ] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
+- [ ] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95
+
+Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/