Currently, the search in PDF Viewer is performed on every keypress in the search input field.
The search performance of the widget could be improved if there is a possibility to perform a search on pressing "Enter". Another valuable enhancement could be a configuration that allows the search to be performed after entering a certain number of symbols.
i tested the updated pdfviewer of version 2019.3.1023, but it did not work as expected.
I have some questions about usage und customizing