WebXR AR dom overlay can't fill container

When you start an AR session on Android, dom overlay cannot fill the full screen, and leaves a small gap at the bottom. Most likely this is a webxr issue but thought maybe someone here knows a fix? It just started recently. The gap also breaks touch interactions (everything is offset vertically).

		document.body.appendChild( ARButton.createButton( this.renderer, {
			requiredFeatures: [ 'hit-test' ],
			optionalFeatures: [ 'dom-overlay', 'dom-overlay-for-handheld-ar' ],
			domOverlay: { root: document.body } } )
		);

You can see the gap at the bottom where the dom elements cannot fill: