As per https://tools.ietf.org/html/rfc7797 abstract
This specification updates RFC 7519 by stating that JSON Web Tokens
(JWTs) MUST NOT use the unencoded payload option defined by this
specification.
BREAKING CHANGE: Revised, Promise-based API
BREAKING CHANGE: No dependencies
BREAKING CHANGE: Browser support (using [Web Cryptography API](https://www.w3.org/TR/WebCryptoAPI/))
BREAKING CHANGE: Support for verification using a remote JWKS endpoint
BREAKING CHANGE: Experimental Node.js libuv thread pool based runtime (non-blocking 🎉)
BREAKING CHANGE: the `JWE.decrypt` option `algorithms` was removed and
replaced with contentEncryptionAlgorithms (handles `enc` allowlist) and
keyManagementAlgorithms (handles `alg` allowlist)
BREAKING CHANGE: the `JWT.verify` profile option was removed, use e.g.
`JWT.IdToken.verify` instead.
BREAKING CHANGE: removed the `maxAuthAge` `JWT.verify` option, this
option is now only present at the specific JWT profile APIs where the
`auth_time` property applies.
BREAKING CHANGE: removed the `nonce` `JWT.verify` option, this
option is now only present at the specific JWT profile APIs where the
`nonce` property applies.
BREAKING CHANGE: the `acr`, `amr`, `nonce` and `azp` claim value types
will only be checked when verifying a specific JWT profile using its
dedicated API.
BREAKING CHANGE: using the draft implementing APIs will emit a one-time
warning per process using `process.emitWarning`
BREAKING CHANGE: deprecated method `JWK.importKey` was removed
BREAKING CHANGE: deprecated method `JWKS.KeyStore.fromJWKS` was removed
BREAKING CHANGE: the use of unregistered curve name P-256K for secp256k1
was removed
> NumericDate
> A JSON numeric value representing the number of seconds from
> 1970-01-01T00:00:00Z UTC until the specified UTC date/time,
> ignoring leap seconds. This is equivalent to the IEEE Std 1003.1,
> 2013 Edition [POSIX.1] definition "Seconds Since the Epoch", in
> which each day is accounted for by exactly 86400 seconds, other
> than that non-integer values can be represented. See RFC 3339
> [RFC3339] for details regarding date/times in general and UTC in
> particular.