I have Visual Studio for Mac 2019 [Version 8.10.2]. I am able to get Intellisense Quick Info displayed on built in C# methods such as string’s EndsWith method. However, it does NOT display Intellisense Quick Info for unity methods.
In Visual Studio for Mac’s website they display a screenshot where Quick Info is displayed for a Unity method (Source: Unity IDE for Mac - Real-Time Development Environment | Visual Studio). Here’s the screenshot:
However, I am unable to display the quick info for that same method when I use Visual Studio for Mac. Here’s a screenshot:
By the way I double checked that Visual Studio Tools for Unity is enabled. Quickstart: Install & configure Visual Studio Tools for Unity | Microsoft Learn