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Update NEWS for 4.3.5
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NEWS
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NEWS
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0MQ version 4.3.5 stable, released on 2023/10/09
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================================================
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* Relicensing from LGPL-3.0+ (with custom exceptions) to MPL-2.0 is now complete.
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libzmq is now distributed under the Mozilla Public License 2.0. Relicensing
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grants have been collected from all relevant authors, and some functionality
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has been clean-room reimplemented where that was not possible. In layman terms,
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the new license provides the same rights and obligations as before. Source
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files are now tagged using the SPDX license identifier format.
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Details of the relicensing process can be seen at:
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https://github.com/zeromq/libzmq/issues/2376
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Relicensing grants have been archived at:
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https://github.com/rlenferink/libzmq-relicense
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A special thanks to everybody who helped with this long and difficult task,
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with the process, the reimplementations, the collections and everything else.
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* New DRAFT (see NEWS for 4.2.0) socket options:
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- ZMQ_BUSY_POLL will set the SO_BUSY_POLL socket option on the underlying
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sockets, if it is supported.
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- ZMQ_HICCUP_MSG will send a message when the peer has been disconnected.
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- ZMQ_XSUB_VERBOSE_UNSUBSCRIBE will configure a socket to pass all
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unsubscription messages, including duplicated ones.
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- ZMQ_TOPICS_COUNT will return the number of subscribed topics on a
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PUB/SUB socket.
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- ZMQ_NORM_MODE, ZMQ_NORM_UNICAST_NACK, ZMQ_NORM_BUFFER_SIZE,
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ZMQ_NORM_SEGMENT_SIZE, ZMQ_NORM_BLOCK_SIZE, ZMQ_NORM_NUM_PARITY,
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ZMQ_NORM_NUM_AUTOPARITY and ZMQ_NORM_PUSH to control various aspect of
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NORM sockets.
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See doc/zmq_setsockopt.txt and doc/zmq_getsockopt.txt for details.
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* New DRAFT (see NEWS for 4.2.0) zmq_ppoll APIs was added that differs from
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zmq_poll in the same way that ppoll differs from poll.
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See doc/zmq_ppoll.txt for details.
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* Various bug fixes and performance improvements.
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0MQ version 4.3.4 stable, released on 2021/01/17
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================================================
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