Editor

• Open subflow tab next to active tab rather than at the end
• Shrink default notification box
• Support mousewheel scroll in tab bar
• Revert some of #2967 to fix treeList gutter width calculation
• Prevent unknown node from breaking editor
• Stop module with missing types from preventing editor load
• Handle sidebar tab that no longer exists when setting first active
• Fix plugin loading when browser sends unrecognised lang
• Prevent error whilst drag/drop importing from leaving dropTarget visible Fixes #2982
• Fix scaling issues when dragging nodes into scaled workspace
• Fix incorrect shortcut keys in info tips (#2980) @kazuhitoyokoi
• Reduce code duplication around node/label generation
• Fix theme handling when no editorTheme.page setting
• Fix jshint error in treeList

Runtime

• Fix error handling in runtime/lib/api/nodes
• Add Node 16 with sass fixed
• Migrate from node-sass to sass (#2984)
• Fix "installRetry" was declared a constant and changed (#2974) @aheissenberger

Nodes

• Function: Fix 'SyntaxError' in Function node when last line of on-stop is a comment
• Function: Fix Function tab label names in the node help text Closes #2978
• Function: Update Japanese info text of function node (#2985) @HiroyasuNishiyama