When selecting the mirror client with the official launcher, it loads until it's time to start a bot/load rs. I don't know if I'm doing something wrong or not, the instructions don't seem too clear.
I have the mirror client downloaded, however, the jar does not execute.
Steps: Launch Old School in Browser > OSBot 2.3.39 > Mirror Client Option > Add Bot > Loading (never stops loading).
I ran the client normally as well, which worked fine.
I'm using a 32bit Windows 7 Operating System.
Here's an image, sorry for the trouble.