When I try modern software, I often wonder why their executables are so big. Do they pad them with random data to make them look bigger and run slower? lol
It seems Juan has similar thoughts:
"Godot is downloaded as a single executable that takes up a little more than a dozen megabytes and, just by executing it, contains the project manager and editor runtimes. No installation is required. This is obviously wrong and against the trend in modern game engines. As an example, Lumberyard, the new amazing Amazon game engine, uncompresses to 40 GB after download.
It's a basic rule in marketing that public visibility depends on how big you are. So starting from Godot 2.1, users will finally be able to download an installer that takes up 2.7 GB of your hard drive. This increase size should hopefully help increase our visibility and give our users the feeling that they are installing a feature-packed engine. Of course this won't just be bloat, the additional size will be due to many important new features: for example, the internal PI constant will provide the first 231 decimals of π (Pi), as we know that mathematical precision is an important concern in the gaming industry."