v3.14.4

What's Changed

• Fix deep morphdom key bug by @calebporzio in #4423
• Don't init trees within ignore elements (x-ignore) by @calebporzio in #4428
• Adjust mutation observer to be faster and still account for moving and wrapping nodes by @calebporzio in #4447

Full Changelog: v3.14.3...v3.14.4