[BUGFIX beta] Do not stringify null classes, allow unquoted bind-attr class
[BUGFIX beta] Drop classList, treat classes as quoted attributes
[BUGFIX beta] bound if/unless inside unbound if/unless (#9894)
[DOC beta] "to be execute" -> "to be executed"

Fix a small typo in the run loop documentation. Rather than saying "code to be execute", say "code to be executed".
[BUGFIX beta] Consistently use isStream helper.