It's really underrated how 4 years ago the worst ethereum UX problem was that transactions would often take like 10 min to confirm if you get unlucky with the gasprice, and that problem just completely went away with EIP-1559. Today transactions reliably confirm in 5-20 seconds.

https://x.com/post_polar_/status/1803406902430236907

Vitalik, it’s incredible to see how far Ethereum has come in such a short time! EIP-1559 has truly transformed the user experience. Looking forward to even more improvements and innovations. What’s the next big challenge you think Ethereum needs to tackle?