- Changes for 22.1.7
  * http://erlang.org/download/OTP-22.1.7.README
  * compiler: Fixed a performance bug that caused repeated matches of
    large records to take a very long time to compile. 
  * erts: A literal area could prematurely be released before all
    uses of it had been removed. This occurred either when
    a terminating process had a complex exit reason
    referring to a literal that concurrently was removed,
    or when a terminating process continued executing a
    dirty NIF accessing a literal (via the heap) that
    concurrently was removed.
  * erts:  Fix bug causing VM crash due to memory corruption of
    distribution entry. Probability of crash increases if
    Erlang distribution is frequently disconnected and
    reestablished towards same node names. Bug exists since
    OTP-21.0.
  * erts: Fixed bug causing crash of VM built with configuration
    --enable--sharing-preserving. Provoked when a sent
    message contains both a bit string and the heap binary
    (< 65 bytes) which the bit string was matched from. Bug
    exists since OTP-19.0 but has seen to be easier to
    provoke since OTP-22.1. 
- Changes for 22.1.6
  * http://erlang.org/download/OTP-22.1.6.README
  * compiler, erts: The compiler could do an unsafe optimization of
    receives, which would cause a receive to only scan part
    of the message queue.
  * crypto: The AEAD tag was not previously checked on decrypt with
    chacha20_poly1305
  * erts:Fix bug where the receive marker used by the runtime to
    do the receive queue optimization could be incorrectly
    set. The symptom of this would be that a message that
    should match in a receive never matches.
  * snmp: Agent discovery cleanup. If there is no receiver of
    INFORM then #state.reqs in snmpa_net_if keeps on
    growing for DISCOVERY.

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