https://support.logi.com/hc/change_language/en-in?return_to=...
https://support.logi.com/hc/change_language/en-in?return_to=...
The offline installer has to bundle data for all supported products, platforms, languages and dependencies, even the ones you don't need, because you can't tell in advance. The online installer will just download what it needs.
Maybe there are some fancy animations illustrating RGB effects and stuff like that, these can add up, and I can almost (but not quite) excuse them if it is the case. At least, video animations are not a mess of frameworks and libraries that eat your RAM and CPU and introduce vulnerabilities.
Somebody at Logitech right now: “hold my beer”
Or, a webcam for example, or other peripherals.
The tap includes a GH action to track upstream releases (as long as I notice the PR!). Also, the offline version only compensates for some of the issues with Options+.