Why were all the other versions for gone for the turtlebot3 manual?

Issue: I can only see instructions for ROS noetic and ROS humble all this while i had been using ROS foxy. When following the ROS humble instructions i am unable to download gazebo it says packages are not met what do i do? the foxy tab is gone and humble does not work i cannot use ROS 1 noetic. Please advise on the above.

I am using the turtlebot3 burger

We apologize for any inconvenience, but ROBOTIS is transitioning all individual customer support to the Official ROBOTIS Forum.
For more information on this, see the article at the link below. Thank you.

@vishesh
The ROS 2 Humble guide is currently under maintenance. We would appreciate it if you could provide more detailed information about the Gazebo download issue you encountered by posting it on the GitHub issue page. Thank you for your cooperation! GitHub - ROBOTIS-GIT/turtlebot3: ROS packages for Turtlebot3