Maybe calle fixed it. It was a few months ago. And I haven't checked to see recent improvements.

I'm running my node on nostr:nprofile1qqsf07zg4hxyccnkdp07fppxmetpfzru3fg6mgzx3nk8r7af8qnjjygpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wd3skueqpzpmhxue69uhkummnw3ezuamfdejsxj0y5x's cloud platform. They're the same people who run the Megalithic LSP. I'm pretty sure the software they use is custom.