It's a configuration value. nostr:npub16x7nxvehx0wvgy0sa6ynkw9c2ghuph3z0ll5t8veq3xwm8n9tqds6ka44x relays has been configured to allow 512 KB events. That ought to be enough for anyone 🤙😂
Discussion
We should do a wave of PRs to all relay implementation that tops up the default.