Changes applied to virtual camera source (with plugin enabled) are not displayed in applications that use OBS Virtual Camera as camera device. But with default built-in OBS Virtual Camera (without the plugin) feature it works.
Spoiler: At the end of video (since 03:22) is demonstrating of how to fix it but without using the plugin. Just host OBS Virtual Camera in another OBS instance and just minimize it.
Changes applied to virtual camera source (with plugin enabled) are not displayed in applications that use OBS Virtual Camera as camera device. But with default built-in OBS Virtual Camera (without the plugin) feature it works.
Step by step video demonstrating: https://www.youtube.com/watch?v=077emm6gdlA
Spoiler: At the end of video (since 03:22) is demonstrating of how to fix it but without using the plugin. Just host OBS Virtual Camera in another OBS instance and just minimize it.