I really wanted a wireless mech keyboard, and it needs to have the number pad (I do a lot spreadsheet work), so it fitted the bill pretty well. I have a G903 with the hero sensor (has been great, no issues so far) and have been using a G613 keyboard. G604 will be placed into on-board mode until firmware is updated (Last used or default profile will be applied).Adds Scroll Wheel assignments capability.G604 LIGHTSPEED Mandatory Firmware Update.G915/G913 LIGHTSPEED Mandatory Firmware Update.Adds inactivity lighting timer configuration.Fix for device waking the system from sleep after it finishes charging via POWERPLAY.Fixed an issue where macros may still play after being deleted.Fixed an issue where G HUB may not properly launch if the Windows user name contained special characters - Fixed an issue where G-Shifted keys played the normal mode assignments.Logitech G HUB Software lets you customize Logitech G gaming mice, strange!!? You are correct that there is another newer driver: (Searching for Logitech G Hub on logitech's website gives me version Software Version: 205) i found newer one from techspot. PRO (HERO) Gaming Mouse Firmware Update (128.2.7) G903 Wireless Gaming Mouse Firmware Update (7.2.13) G502 HERO Gaming Mouse Firmware Update (127.3.10) G403 HERO Wireless Gaming Mouse Firmware Update (145.1.7) NOTE: Some configuration features are limited to LIGHTSPEED mode only. Now users can use G HUB to configure G915/G915 TKL (G913/G913TKL) when G HUB Bluetooth support for G915/G915 TKL (G913/G913TKL)

Redesigned the tabs and settings for audio products (headsets, speakers and Logitech G HUB Software lets you customize Logitech G gaming mice, keyboards, headsets, speakers, and other devices

Logitech g hub download page