It's a full blown web app with better options than the Discord bot, it has batch mode/select, remix, all upscale modes, works with every Midjourney engine.
They make it available to users who have generated more than 10,000 images as it's in alpha state and not able to withstand the load that the bot currently takes.
I believe after v5 focus they will make this web app public, but for now only a select few get to use it.
They warn users not to talk about it or share the link because they don't want it public until it's ready for full load which means over 10 million concurrent users.
Next project I want to heavly utilise image generation from the ground up - Midjourney looks really good, but needs better tools.
I don't think I could use it if I had to use the main public server.
Thanks so much.
P.S. for those, like me, who were confused about what "making your own server" means, you do this within the main Discord app. It doesn't involve provisioning an actual server and installing software. :-)
It doesn't help that the Discord search function is so terrible.
https://stallman.org/discord.html
In fact, it looks like modern ones can't either:
Midjourney is a small team. They are working on a web interface. But, won’t release it until it is significantly better than all the benefits they get from Discord. Meanwhile, they’ve been too busy making quality improvements and scaling the service to keep up with demand.