Reference

Transcribed from the source, not from memory. Each page names the version it was checked against and links the file it came from; if the two disagree, the source is right and the page is a bug.

ConfigurationEvery environment variable, its default, and whether a bad value stops the process.HTTP APIEvery route, who may call it, and what it does.Database schemaThe tables, the migrations, and the constraints that act as validation.CSV formatExact columns per session kind, and the formula-injection escaping.Limits and defaultsField lengths, body caps, timeouts, pool sizes and lifetimes.Plugin SDKThe published guest packages, the developer loop, and what each grant permits.Plugin wire protocolVersion 1, frozen, including the compare-and-swap that must not be frozen away.