https://www.emeditor.com/emeditor-beta/emeditor-v19-6-beta-5-19-5-95-released/
EmEditor v19.6 beta 5 (19.5.95) February 11, 2020
Fixed an issue where EmEditor could freeze when changing the selection while filtered.
Confirm fixed!
Thank you very much for your endeavours!
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Windows 10 Pro (x64) Version 1909 (OS build 18363.657)
https://docs.microsoft.com/en-us/windows/release-information/
Intel(R) Core(TM) i7-4770 CPU @ 3.4OGHz, 16 GB RAM
EmEditor v19.6 beta 5 (19.5.95) February 11, 2020 (installed & portable version)