[Flutter] Flutter TextSpan has incorrect <href> when ensureSemantics is used to build default...

I have a Flutter app that builds a Semantics tree by calling SemanticsBinding.instance.ensureSemantics(); on startup.

When this is done, TextSpans with TapGestureRecognizers are being rendered in the Semantics tree with href='#' (see screenshot). When the user taps on these elements, the TapGestureRecognizer onTap method is invoked, but the app also incorrectly navigates to '#.' I cannot figure out how to change this behavior. I would rather not exclude semantics on these elements because I'd like them to be findable by automated tests. Help greatly appreciated.

Example TextSpan

Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Flexible(
child: RichText(
text: TextSpan(
style: AppTextStyle.body.copyWith(color: AppColor.gray3),
children: [
TextSpan(text: subtitle),
TextSpan(recognizer: TapGestureRecognizer()
..onTap = () => launch(learnMoreUrl),
text: 'Learn More',
style: AppTextStyle.body.copyWith(
color: Colors.blue,
decoration: TextDecoration.underline,
),
]),
),
// etc




The above code will launch a new tab and navigate to learnMoreUrl, then promptly navigate itself back to the home page.

Element in the Semantics Tree:

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