What's Changed

• fix cov by @rmorshea in https://github.com/idom-team/idom/pull/831
• remove IDOM_FEATURE_INDEX_AS_DEFAULT_KEY opt by @rmorshea in https://github.com/idom-team/idom/pull/840
• allow users to configure html head by @rmorshea in https://github.com/idom-team/idom/pull/835
• better run func warning by @rmorshea in https://github.com/idom-team/idom/pull/842
• Make IDOM_DEBUG_MODE mutable + add Option.subscribe method by @rmorshea in https://github.com/idom-team/idom/pull/843
• Form serialize by @acivitillo in https://github.com/idom-team/idom/pull/699
• html_to_vdom transform to remove html/body but preserve head content by @Archmonger in https://github.com/idom-team/idom/pull/832
• add svg elements by @rmorshea in https://github.com/idom-team/idom/pull/844

Full Changelog: https://github.com/idom-team/idom/compare/0.41.0...0.42.0