ChenKe

开启桌面歌词会在任务栏显示歌词的进程

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### 解决方案检查 - [X] 我已阅读常见问题()，并没有找到解决方案 - [X] 我已搜索issue列表()，并没有发现类似的问题 ### 预期行为 歌词进程不在任务栏显示，应用最小化后不应在任务栏出现任何与应用有关的进程，小图标不算。 ### 实际行为 歌词进程在任务栏显示了  ### Lx Music 版本 1.22.1 ### 最后正常的版本 1.21.0 ### 操作系统版本 Ubuntu 20.04 ### 附加信息 1.22.0和1.22.1有相同问题

Question: OSG have only running in SingleThreaded mode in Qt?

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if 'yes', it's mean I can't use MultiThreaded mode? Is 'yes' for both Qt5 and Qt6?

I need create a pdf, and need many layer in one page. as far as I know, only libpdf can do that, but it costs a fee. so...

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[//]: # (以下所有的以"[//]: #"开始的文字都是注释，不会被markdown渲染，所以无需删除) [//]: # (All lines start "with [//]: #" below are comment lines and will not be rebdered by markdown, so there's no need to delete them)...

## Issue Details I have some polygons that use the double number type, and I need to use these polygons for precise boolean operations and relational judgments. However, if I...

If run osgViewer as native window, it's working. but it's not working as osgQOpenGLWidget.