Focus after End timeline element disappears later it appears after pressing Tab key twice and also reverse traversed focus trapped when we are using highstock chart in kendowindow UI about highcharts

[karolkolodziej]

Hi @vimalmavanicasepoint!

Thank you for reporting the issue. I was able to recreate it- please see the console of the simplified demo.
I'll forward this to our a11y team to asses it further.

[vimalmavanicasepoint]

Hi @karolkolodziej @oysteinmoseng @TorsteinHonsi
I'm reaching out to request an update on the above issue, Would you mind providing insights into its current status and the anticipated timeline for resolution?
Thank You sincerely for your assistance.

[oysteinmoseng]

Hi @vimalmavanicasepoint - we will investigate the issue and report back here, thanks for bringing it to our attention.

[marvin19]

Hi, @vimalmavanicasepoint

I've been looking into this and the issue is dependent on if the modal in Kendowindow is set to true or false. It is working when it is set to false. The issue is a conflict between keyboard handling in Highcharts and Kendowindow modal handling.

https://jsfiddle.net/maritavindedal/xjsuf1gq/