What is the 'not optimized for your Mac' warning message?

Mac users running the recently-released macOS 10.13.4 update may see a new alert message when they login and launch apps this morning, as Apple begins keeping its WWDC promise to push developers to upgrade their apps to 64-bit.

What is this alert?

Starting around midnight local time between 11-12 April, Macs running the latest OS version begin offering up a warning message the first time their users launched a 32-bit application.

Apple

32-bit app alerts are coming to macOS 10.13.4.

To...

What feeling does this article give you?
Joy
Disgust
Fear
Anger
Sadness

#hashtags to follow:

Apple [+]    WWDC [+]    Macs [+]   

More #news: