Android Studio 2.3.3
The visual designer in 2.3.3 deserves its own chapter. This was the era where the ConstraintLayout was being heavily pushed by Google. Android Studio 2.3.3 was the IDE that finally made the Visual Editor reliable enough to build complex UIs without touching XML.
This version solidified the "App Links Assistant"—a feature introduced in 2.3 that guided developers through the complex process of associating their website URLs with their app intents. In 2.3.3, this workflow was stabilized, making the deep-linking architecture accessible to the masses rather than just the architectural elite. It bridged the gap between the web and the app in a way that was visually intuitive. android studio 2.3.3