Alexa Presentation Language Known Issues

Refer to the following list of known issues, bugs, and breaking changes for Alexa Presentation Language (APL).

Known Issues

  • On physical devices, when a Frame contains an Image component, the borderRadius property for the Frame doesn't properly adjust the Frame corners

  • Video components with width and/or height set to 0 can't play audio

  • [Fire TV Editions TVs] Prime video resumes before volume panel is dismissed

  • [Fire TV Editions TVs] Recipe video doesn't revert to the original volume after dismissing the volume panel

  • Word break opportunity before <nobr> tag not breaking correctly

  • Word break opportunity after <nobr> tag not breaking correctly

  • Text with <nobr> incorrectly wrapping at the end of a container

  • [Echo Show 10] Skill requests will experience higher latency for the first few invocations

  • [Echo Show 10] [Skill Request] On physical devices, the skill request might occasionally not contain the SmartMotion and EntitySensing extensions even after adding them in the skill manifest

  • [APL Simulator] [Large Hub/Extra Large TV Hub] Videos are not playing for both autoplay false and true scenarios

  • Ordinal-based selection doesn't function reliably. The resolutions object is not populated accurately

  • [APL-T] RenderDocument and ExecuteCommands directive does not persist through the reprompt response

  • Utterances such as "select number 3" don't properly invoke AMAZON.SelectIntent. When this issue is fixed, these utterances will invoke the intent

  • The new lang and layoutDirection properties are not data bindable at the document level. We recommend data binding at the root-component and using the bound properties as well as passing layoutDirection and lang as a parameter

  • APL documents that use the Video component to play audio by settings its width/height to 0 will stop working. To work around this issue set the width/height to 1

Breaking Changes

  • [APL 1.7] AVG radial gradients no longer render with incorrect radius, positioning, or scaling on Android devices

For support and help, visit the Alexa developer forum. Go to Contact Us to report an issue.

Last updated on 2021-07-21