id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
23784	UI elements randomly turning black, visible if the element is hoverable	NLBRT - tantus4@…	NLBRT - tantus4@…	"==== What steps will reproduce the problem?
1. Run any version of JOSM on Windows 11 (preferably after 18000+)
2. Use any theme/""Look and Feel""
3. Just do anything.

==== What is the expected result?

All UI elements in an active popup/drop-down goes black. It comes back visible if the element is hoverable. It has about a 2 in 3 chance of occuring.

==== What happens instead?

==== Please provide any additional information below. Attach a screenshot if possible.

{{{
Revision:19129
Is-Local-Build:true
Build-Date:2024-07-06 11:35:51

Identification: JOSM/1.5 (19129 SVN en_GB) Windows 11 64-Bit
OS Build number: Windows 10 Home Single Language 23H2 (22631)
Memory Usage: 231 MB / 876 MB (128 MB allocated, but free)
Java version: 22.0.1+8, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.formdev.flatlaf.FlatDarculaLaf
Screen: \Display0 1920x1080x32bpp@60Hz (scaling 1.25×1.25)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_GB
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.19129, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djpackage.app-path=%UserProfile%\AppData\Local\JOSM\JOSM.exe]

Plugins:
+ flatlaf (36176)

Last errors/warnings:
- 00001.075 W: extended font config - overriding 'filename.Malgun_Gothic=malgun.ttf' with 'MALGUN.TTF'
- 00001.078 W: extended font config - overriding 'filename.Myanmar_Text=mmrtext.ttf' with 'MMRTEXT.TTF'
- 00001.079 W: extended font config - overriding 'filename.Mongolian_Baiti=monbaiti.ttf' with 'MONBAITI.TTF'
- 00001.079 W: extended font config - overriding 'filename.Vrinda=vrinda.ttf' with 'VRINDA.TTF'
- 00002.061 E: java.security.KeyStoreException: Windows-ROOT not found. Cause: java.security.NoSuchAlgorithmException: Windows-ROOT KeyStore not available
}}}
"	defect	closed	critical		Core	tested	othersoftware	template_report