The example you linked is about push notifications in general, nothing specific to the Signal app. If the concern is that your OS is compromised or spying on you, that's not something E2E encryption can protect against, whether it's Signal or any other app.
alt Hacker News
The example you linked is about push notifications in general, nothing specific to the Signal app. If the concern is that your OS is compromised or spying on you, that's not something E2E encryption can protect against, whether it's Signal or any other app.