Merge branch 'r/1.0.3' into develop
Update YouTube link
Squashed 'classes/styles-child-notices/' changes from 9b8aa37..a6c292d

a6c292d Check  action to avoid notice.
70db2b4 Add checks for  actions to avoid notices.
5ab5df6 Suppress notices for unset  variable

git-subtree-dir: classes/styles-child-notices
git-subtree-split: a6c292d6d4e98f6ae82036eaf4956ebfb4cf1a88
Merge commit '2f790d55806917d1a09756a7e99237e17f30c6fe'
Merge branch 'master' into develop
Version bump
Merge branch 'r/1.0.4'