Merge remote-tracking branch 'origin/dev-v6' into dev-v7
Conflicts: src/Umbraco.Web/PublishedCache/XmlPublishedCache/PublishedMediaCache.cs src/Umbraco.Web/umbraco.presentation/library.cs src/umbraco.businesslogic/Application.cs src/umbraco.businesslogic/ApplicationRegistrar.cs src/umbraco.businesslogic/ApplicationTree.cs src/umbraco.businesslogic/ApplicationTreeRegistrar.cs
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