I've noticed that their web client is getting worse and worse, sometimes it loads messages just to reload (with a force_cold_boot param or something like that)

I've noticed that their web client is getting worse and worse, sometimes it loads messages just to reload (with a force_cold_boot param or something like that) them again, other times it shows the "new messages" bar even though I've already read them or doesn't scroll to the last message, not to mention that it usually takes several seconds to load a channel on a new computer... It's just not pleasent to use, I can't believe that 20+ years ago we had IRC clients that worked so much faster that this "modern" chat.. Sure there are many features on the Slack that IRC is missing but still the major one is simply messaging