In Electron you can use the Widevine CDM library shipped with Chrome browser. Sometimes antivirus or security software like firewall prevent plugin to update. The first time you visit Netflix or Disney+, make sure to allow this plugin to run. Brave also includes safety benefits, like the prevention of fingerprinting and malware.

Unsandboxed plugin access: Some sites need plug-ins so they can let you do things like stream video or install software. Widevine support is an alternative solution for streaming. Widevine plugin brave This way, the component would be allowed/blocked on a per-site basis.