<p>Theres not much online (i looked) and im not a java person, but this project also had the same issue:<br>
<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="453795711" data-permission-text="Issue title is private" data-url="https://github.com/wesnoth/wesnoth/issues/4109" data-hovercard-type="issue" data-hovercard-url="/wesnoth/wesnoth/issues/4109/hovercard" href="https://github.com/wesnoth/wesnoth/issues/4109">wesnoth/wesnoth#4109</a></p>
<p>Theres also this bug in open JDK (not sure if you're using that or regular java) <a href="https://bugs.openjdk.java.net/browse/JDK-8231513" rel="nofollow">https://bugs.openjdk.java.net/browse/JDK-8231513</a></p>
<p>Now also this in SO<br>
<a href="https://stackoverflow.com/questions/58094615/javafx-tornadofx-cause-keystroke-receiving-prompt-on-macos-10-15-catalina" rel="nofollow">https://stackoverflow.com/questions/58094615/javafx-tornadofx-cause-keystroke-receiving-prompt-on-macos-10-15-catalina</a> (upvoted)</p>
<p>When i searched it 20 mins ago there was less than 10 results now theres quite a few, im guessing its in a lib you are using.</p>

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