Codesys has fixed such a bug in the Visu Add-on version 4.4.0.0. ("Keyboard goes away quickly") Jira VIS-1882 - WebVisu Smartphone: When "support client animation" is activated, the smartphone keyboard is only displayed for a few seconds Basically concludes: Whether the URL works in the browser element depends on the page, whether it can be displayed in an iFrame.
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