=== mwrap 3.0.0-pre1 / 2023-01-09 07:06 UTC

  This contains many changes from the Perl port @ https://80x24.org/mwrap-perl.git

  * Built-in RCU-friendly version of dlmalloc, no more fragile dlsym(3m)
    resolution of malloc-family functions in the constructor

  * Allocations are now backed by O_TMPFILE on $TMPDIR on modern Linux.
    Since mwrap increases memory usage greatly and I needed to use it
    on a system where I needed more VM space but lacked the ability
    to add swap.

  * Configurable C backtrace level via MWRAP=bt:$DEPTH where $DEPTH
    is a non-negative integer.  Be careful about increasing it, even
    a depth of 3-4 can be orders-of-magnitude more expensive in
    time and space.  This can be changed dynamically at runtime via
    local HTTP (see below).

  * Embedded per-process local-socket-only HTTP server obsoletes
    MwrapRack when combined with mwrap-rproxy from the Perl dist
    (set `MWRAP=socket_dir:/dir/of/sockets')
    See https://80x24.org/mwrap-perl/20221210015518.272576-4-e@80x24.org/
    and the new mwrap(1) man page for more info

    It now supports downloading CSV (suitable for importing into sqlite 3.32.0+)

  * License switched to GPL-3+ to be compatible with GNU binutils
    since we may take code from addr2line in the future.

  * libxxhash supported if XXH3_64bits is available (minor speedup).

  - Mwrap::HeapPageBody no longer supported since Ruby 3.1+ uses mmap(2)

  - Ruby files longer than 16.7 million lines are no longer supported :P