v0.23.1

• Fix mismatch between version in package.json and v0.23.0 git tag.

v0.23.0

• Added server socket option, which allows running CoAP over custom sockets (and protocols).
• Fixed Observe option encoding and decoding.
• Fixed observation notification reordering logic according to the RFC.

v0.21.0

• Allow client to reuse existing socket (#131) by @highwall

v0.19.0

• Fix LRU cache memory leak #136 #135 by @richardms

v0.18.0

• Bind to multiple interfaces #130 by @dwarburt
• Normalize URI path components #133 by @guimier

v0.17.0

• Added max-age option #126 by @guimier
• Fixed blockwise2 support for multiclient use case #121 by @jkivilin
• Do not send ACK for unrecognized CON messages #122 by @guimier

v0.16.0

• Added sendAcksForNonConfirmablePackets option #117 by @neophob

v0.15.0

• Customize CoAP parameters #111 by @neophob.

v0.14.0

• Fixed proxy errors #104 by @dmoranj
• Added CBOR support #110 by @daveismith

v0.13.1

• Make piggyback response timeout configurable #102 by @neophob