The researchers reported it to Android on October 31, 2024 and Android still hasn't fixed it. We fixed the vulnerability by only allowing third party apps to use custom activity animations for their own activities. It's likely Android doesn't want to remove part of the feature.
Android 16 was released June 10 and we'd already done our final Android 15 QPR2 releases with backports of Android 16 drivers/firmware when we were informed about TapTrap near the end of June. Once our port to 16 was near Stable, one of our devs spent a few hours fixing TapTrap.
