I had the Switcher action in PHPStorm, but it doesn't work anymore.
I have this setting Ctrl+Tab:
I have also verified my Tab key mapping as shown in Tab and Enter key do not work any more in the WebStorm editor while typing
It works with other key combinations, like Ctrl+Shift++.
As indicated by @Lazyone, the answer was in this similar issue on the Jetbrains youtrack.
I have deactivated the "Support Screen readers" option in the "Appearance" parameters section and now it back to normal: