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Patch Package:           OTP 22.1
Git Tag:                 OTP-22.1
Date:                    2019-09-17
Trouble Report Id:       OTP-10400, OTP-13872, OTP-15328, OTP-15330,
                         OTP-15331, OTP-15332, OTP-15344, OTP-15370,
                         OTP-15395, OTP-15422, OTP-15431, OTP-15510,
                         OTP-15738, OTP-15747, OTP-15765, OTP-15778,
                         OTP-15789, OTP-15807, OTP-15813, OTP-15814,
                         OTP-15818, OTP-15820, OTP-15823, OTP-15826,
                         OTP-15827, OTP-15830, OTP-15831, OTP-15833,
                         OTP-15836, OTP-15843, OTP-15849, OTP-15850,
                         OTP-15851, OTP-15852, OTP-15853, OTP-15854,
                         OTP-15858, OTP-15859, OTP-15863, OTP-15869,
                         OTP-15870, OTP-15874, OTP-15876, OTP-15880,
                         OTP-15881, OTP-15882, OTP-15883, OTP-15884,
                         OTP-15889, OTP-15893, OTP-15901, OTP-15905,
                         OTP-15906, OTP-15911, OTP-15916, OTP-15917,
                         OTP-15918, OTP-15923, OTP-15924, OTP-15926,
                         OTP-15927, OTP-15928, OTP-15929, OTP-15931,
                         OTP-15932, OTP-15933, OTP-15934, OTP-15935,
                         OTP-15942, OTP-15954, OTP-15959, OTP-15962,
                         OTP-15963, OTP-15966, OTP-15968, OTP-15969,
                         OTP-15970, OTP-15971, OTP-15974, OTP-15975,
                         OTP-15977, OTP-15978, OTP-15979, OTP-15980,
                         OTP-15982, OTP-15983, OTP-15984, OTP-15985,
                         OTP-15987, OTP-15992, OTP-15996, OTP-15997,
                         OTP-16000, OTP-16001, OTP-16002, OTP-16006,
                         OTP-16012, OTP-16022, OTP-16023, OTP-16027,
                         OTP-16028, OTP-16035, OTP-16037, OTP-16038,
                         OTP-16040, OTP-16041, OTP-16042, OTP-16044,
                         OTP-16049, OTP-16050, OTP-16051, OTP-16056,
                         OTP-16058, OTP-16060
Seq num:                 ERIERL-294, ERIERL-350, ERIERL-353,
                         ERIERL-366, ERIERL-370, ERIERL-379,
                         ERIERL-395, ERL-1009, ERL-1012, ERL-1013,
                         ERL-1014, ERL-1017, ERL-1022, ERL-1026,
                         ERL-1029, ERL-700, ERL-717, ERL-768, ERL-872,
                         ERL-876, ERL-912, ERL-915, ERL-920, ERL-921,
                         ERL-934, ERL-938, ERL-943, ERL-947, ERL-952,
                         ERL-958, ERL-960, ERL-974, ERL-990, ERL-992,
                         ERL-995, ERL-997
System:                  OTP
Release:                 22
Application:             common_test-1.18, compiler-7.4.5, crypto-4.6,
                         dialyzer-4.1, erl_docgen-0.10,
                         erl_interface-3.13, erts-10.5, eunit-2.3.8,
                         ftp-1.0.3, inets-7.1, jinterface-1.10.1,
                         kernel-6.5, megaco-3.18.6, mnesia-4.16.1,
                         observer-2.9.2, os_mon-2.5.1, public_key-1.7,
                         runtime_tools-1.14, sasl-3.4.1, snmp-5.4,
                         ssh-4.8, ssl-9.4, stdlib-3.10,
                         syntax_tools-2.2.1, tools-3.2.1, wx-1.8.9,
                         xmerl-1.3.22
Predecessor:             OTP 22.0.7

 Check out the git tag OTP-22.1, and build a full OTP system including
 documentation. Apply one or more applications from this build as
 patches to your installation using the 'otp_patch_apply' tool. For
 information on install requirements, see descriptions for each
 application version below.

 ---------------------------------------------------------------------
 --- HIGHLIGHTS ------------------------------------------------------
 ---------------------------------------------------------------------

  OTP-13872    Application(s): crypto

               The Message Authentication Codes (MAC) CMAC, HMAC and
               Poly1305 are unified into common functions in the New
               Crypto API. See the manual for CRYPTO.


  OTP-15431    Application(s): ssl

               Basic support for TLS 1.3 Client for experimental use.
               For more information see the Standards Compliance
               chapter of the User's Guide.


  OTP-15738    Application(s): erts
               Related Id(s): PR-2361

               erlc can now automatically use a compile server to
               avoid starting an Erlang system for each file to be
               compiled in a multi-file project. See the documentation
               for how to enable it.


 ---------------------------------------------------------------------
 --- POTENTIAL INCOMPATIBILITIES -------------------------------------
 ---------------------------------------------------------------------

  OTP-15510    Application(s): stdlib

               Debugging of time-outs in gen_statem has been improved.
               Starting a time-out is now logged in sys:log and
               sys:trace. Running time-outs are visible in server
               crash logs, and with sys:get_status. Due to this system
               events {start_timer, Action, State} and {insert_timout,
               Event, State} have been added, which may surprise tools
               that rely on the format of these events.

               New features: The EventContent of a running time-out
               can be updated with {TimeoutType, update,
               NewEventContent}. Running time-outs can be cancelled
               with {TimeoutType, cancel} which is more readable than
               using Time = infinity.


  OTP-15979    Application(s): mnesia
               Related Id(s): ERL-768

               Transactions with sticky locks could with async_asym
               transactions be committed in the wrong order, since
               asym transaction are spawned on the remote nodes.

               To fix this bug the communication protocol between
               mnesia nodes had to be updated, thus mnesia will no
               longer be able to connect to nodes earlier than
               mnesia-4.14 , OTP-19.0.


 ---------------------------------------------------------------------
 --- OTP-22.1 --------------------------------------------------------
 ---------------------------------------------------------------------

 --- Improvements and New Features ---

  OTP-16051    Application(s): erl_docgen, otp

               Update the documentation build support to handle FOP
               2.1 .


 ---------------------------------------------------------------------
 --- common_test-1.18 ------------------------------------------------
 ---------------------------------------------------------------------

 The common_test-1.18 application can be applied independently of
 other applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15863    Application(s): common_test
               Related Id(s): ERIERL-370

               If a ct hook is installed in the suite/0 function in a
               test suite, then the hook's terminate/1 function would
               be called several times without it's init/2 function
               being called first. This is now corrected.


  OTP-15869    Application(s): common_test
               Related Id(s): ERIERL-350

               If init_per_testcase fails, the test itself is skipped.
               According to the documentation, it should be possible
               to change the result to failed in a hook function. The
               only available hook function in this case is
               post_init_per_testcase, but changing the return value
               there did not affect the test case result. This is now
               corrected.


 --- Improvements and New Features ---

  OTP-15789    Application(s): common_test

               Add ct_netconfc support for NETCONF 1.1 (RFC 6241). The
               1.1 base capability can be sent in hello, and RFC 6242
               chunk framing is applied when both client and server
               advertise 1.1 support.


  OTP-15934    Application(s): common_test

               Correct lib_dir paths in common_tests opaque data
               structure that is passed to ct_release_test callback
               modules in functions upgrade_init/2, upgrade_upgraded/2
               and upgrade_downgraded/2. The incorrect paths may cause
               confusion when debugging although it will not cause any
               incorrect behavior on the part of common_test as it is
               currently not used.


 Full runtime dependencies of common_test-1.18: compiler-6.0,
 crypto-3.6, debugger-4.1, erts-7.0, ftp-1.0.0, inets-6.0, kernel-4.0,
 observer-2.1, runtime_tools-1.8.16, sasl-2.4.2, snmp-5.1.2, ssh-4.0,
 stdlib-3.5, syntax_tools-1.7, tools-2.8, xmerl-1.3.8


 ---------------------------------------------------------------------
 --- compiler-7.4.5 --------------------------------------------------
 ---------------------------------------------------------------------

 The compiler-7.4.5 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15833    Application(s): compiler

               Code such as the following would crash the compiler in
               OTP 22: [some_atom = fun some_function/1]


  OTP-15923    Application(s): compiler

               Compilation could get really slow (in the order of
               minutes instead of seconds) when compiling huge
               functions. (Thanks to Kostis Sagonas for reporting this
               bug.)


  OTP-15954    Application(s): compiler
               Related Id(s): ERL-995

               Fixed a bug in the validator that could reject valid
               code.


  OTP-15963    Application(s): compiler

               In rare circumstances, when two clauses had identical
               bodies and guard tests that tested a single boolean
               variable, the guard test for the second clause could be
               discarded, executing the second clause unconditionally
               if the first clause was not executed.


  OTP-15966    Application(s): compiler
               Related Id(s): ERL-1014

               Fixed extremely slow compilation for huge functions
               doing predominantly pattern matching.


  OTP-15968    Application(s): compiler
               Related Id(s): ERL-1017

               The compiler could generate unsafe code (that would
               crash the runtime system) for map pattern matching. The
               code could be unsafe if the matched key was not present
               in the map at runtime.


  OTP-15969    Application(s): compiler
               Related Id(s): ERL-997

               Correct code using try/after could fail to compile when
               using the option 'no_type_opt'.


  OTP-15970    Application(s): compiler
               Related Id(s): ERL-1013

               The compiler could crash when compiling code that
               called 'length/1' on a binary extracted using the
               binary syntax.


  OTP-15982    Application(s): compiler
               Related Id(s): ERL-1022

               Fixed a bug where the compiler could fail with an
               internal consistency failure error when compiling
               receive statements.


  OTP-15985    Application(s): compiler
               Related Id(s): ERL-1026

               Fixed a problem where the compiler would crash when
               compiling binary matching in a function head.


 Full runtime dependencies of compiler-7.4.5: crypto-3.6, erts-9.0,
 hipe-3.12, kernel-4.0, stdlib-2.5


 ---------------------------------------------------------------------
 --- crypto-4.6 ------------------------------------------------------
 ---------------------------------------------------------------------

 The crypto-4.6 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15884    Application(s): crypto
               Related Id(s): ERL-974

               The implementation of crypto_one_time/4 is adjusted to
               match the type specification. The spec and the
               black-box behaviour of the function are unchanged.

               Some details: Both the spec and the implementation were
               correct seen separately. But with both of them combined
               simultaneously with crypto_one_time/5 which was called
               by the implementation of crypto_one_time/4, an
               (obvious) error was detected by a Dialyzer with more
               thorough checking than usual.


  OTP-15911    Application(s): crypto

               When using crypto with FIPS mode enabled, the digests
               were not correctly handled.


  OTP-15924    Application(s): crypto

               A memory leak in error handling code in
               ng_crypto_init_nif is fixed.


  OTP-15928    Application(s): crypto
               Related Id(s): PR-2296

               Fixed the broken static build of the crypto nifs


 --- Improvements and New Features ---

  OTP-13872    Application(s): crypto

               *** HIGHLIGHT ***

               The Message Authentication Codes (MAC) CMAC, HMAC and
               Poly1305 are unified into common functions in the New
               Crypto API. See the manual for CRYPTO.


 Full runtime dependencies of crypto-4.6: erts-9.0, kernel-5.3,
 stdlib-3.4


 ---------------------------------------------------------------------
 --- dialyzer-4.1 ----------------------------------------------------
 ---------------------------------------------------------------------

 The dialyzer-4.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Improvements and New Features ---

  OTP-15880    Application(s): dialyzer
               Related Id(s): PR-2283

               Allow native compilation when using Dialyzer from
               Erlang. The options native (defaults to false) and
               native_cache have been added.


 Full runtime dependencies of dialyzer-4.1: compiler-7.0, erts-9.0,
 hipe-3.16.1, kernel-5.3, stdlib-3.4, syntax_tools-2.0, wx-1.2


 ---------------------------------------------------------------------
 --- erl_docgen-0.10 -------------------------------------------------
 ---------------------------------------------------------------------

 The erl_docgen-0.10 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Improvements and New Features ---

  OTP-16051    Application(s): erl_docgen, otp

               Update the documentation build support to handle FOP
               2.1 .


 Full runtime dependencies of erl_docgen-0.10: edoc-0.7.13, erts-9.0,
 stdlib-3.4, xmerl-1.3.7


 ---------------------------------------------------------------------
 --- erl_interface-3.13 ----------------------------------------------
 ---------------------------------------------------------------------

 The erl_interface-3.13 application can be applied independently of
 other applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15917    Application(s): erl_interface

               Fix bugs in ei_print_term for binaries and bit strings
               causing incorrect output.


  OTP-15996    Application(s): erl_interface

               Fixed bug in ei_decode_fun for very old fun encoding
               format. Bug exist since OTP 22.0.


 --- Improvements and New Features ---

  OTP-15814    Application(s): erl_interface

               ei_print_term() now supports printing of maps and funs.


 ---------------------------------------------------------------------
 --- erts-10.5 -------------------------------------------------------
 ---------------------------------------------------------------------

 The erts-10.5 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15370    Application(s): erts
               Related Id(s): ERIERL-353

               If you set {linger,{true,0}} on a gen_tcp listen
               socket, accept a connection on that socket, and then
               close the accepted socket, now the linger zero setting
               is transferred to the accepted socket. Before this
               correction that information was lost and the close
               behaviour on the accepted socket incorrect.


  OTP-15422    Application(s): erts
               Related Id(s): OTP-15747

               Sending ancillary data implemented in OTP-15747
               accidentally left behind test code that caused all UDP
               sends to fail on Windows. This has now been fixed.


  OTP-15827    Application(s): erts

               In the socket nif, used invalid flags when if-def'ing
               for supported TCP flags: TCP_MAXSEG and TCP_NODELAY
               (the support function).


  OTP-15830    Application(s): erts

               Fixed memory leaks in experimental socket module.


  OTP-15836    Application(s): erts, stdlib
               Related Id(s): ERL-876

               re:run() now yields when validating utf8 in a large
               subject.


  OTP-15849    Application(s): erts
               Related Id(s): ERL-700

               Fixed bug in seq_trace:set_token(label,Term) which
               could cause VM crash if Term was heap allocated (not an
               atom, small integer, local pid or port). Bug exists
               since OTP 21.0 when terms other than small integers
               were first allowed as labels.


  OTP-15852    Application(s): erts, kernel

               Extra -mode flags given to erl are ignored with a
               warning.


  OTP-15853    Application(s): erts
               Related Id(s): PR-2254

               Don't loop indefinitely when --enable-pgo is given to
               configure, but compiler does not support pgo.


  OTP-15859    Application(s): erts
               Related Id(s): ERL-700

               Fix seq_trace:print/2 not to raise badarg exception if
               label is not a small integer. Bug exists since OTP
               21.0.


  OTP-15874    Application(s): erts
               Related Id(s): ERL-958, PR-2266

               Fixed hipe_flush_icache_range for non-Linux OS on ARM.


  OTP-15881    Application(s): erts

               The fix in OTP-15871 was too conservative and disabled
               the offending load-time optimization in some cases
               where it was safe.


  OTP-15889    Application(s): erts, stdlib

               Upgraded the ERTS internal PCRE library from version
               8.42 to version 8.43. See
               http://pcre.org/original/changelog.txt for information
               about changes made to PCRE. This library implements
               major parts of the re regular expressions module.


  OTP-15901    Application(s): erts
               Related Id(s): ERL-960, PR-2272

               Fix race condition when closing a socket while using
               {active,N} on Windows.


  OTP-15918    Application(s): erts
               Related Id(s): ERL-912

               Allow more than one -config command line option to erl
               on Windows to conform with other OS.


  OTP-15931    Application(s): erts

               Fix so that ERL_FLAGS environment variable does not
               interfere with command line arguments. Before this fix
               you could write:

               ERL_FLAGS="10" erl +S

               and erlang would start as if +S had been given the
               argument 10.


  OTP-15959    Application(s): erts, stdlib
               Related Id(s): ERL-717

               The bug with ID ERL-717 has been fixed. The functions
               io:columns() and io:rows() only worked correctly inside
               interactive erlang shells before this fix. These
               functions returned {error,enotsup} before this fix even
               if stdout and stdin were connected to a terminal when
               they were invoked from an escript or a program started
               with e.g., erl -noshell.


  OTP-15971    Application(s): erts
               Related Id(s): PR-2333

               Do not use named label in ethread.c inline assemble.
               This allows erts to be compiled using gcc 9.1.0 with
               LTO enabled.


  OTP-15975    Application(s): erts
               Related Id(s): ERL-1009

               erlang:fun_to_list/1 will now escape the module and
               function name when necessary.


  OTP-15978    Application(s): erts
               Related Id(s): ERIERL-366

               process_info(P,binary) would neglect to look through
               heap fragments, potentially missing a few binaries
               associated with the process.


  OTP-16037    Application(s): erts

               HiPE is now automatically disabled on systems with
               non-glibc implementation (for instance musl). This is
               because musl does not provide the API's for
               guaranteeing that signals are delivered on the correct
               native stack.


  OTP-16041    Application(s): erts

               Fixed bug triggered if a process is killed during call
               to persistent_term:put or persistent_term:erase.


  OTP-16042    Application(s): erts

               Add units to all memory slogans in the crash dump
               documentation.


  OTP-16058    Application(s): erts
               Related Id(s): PR-2382

               Fix a bug in binary_to_term that would crash the
               emulator if a term larger than 16GB was to be decoded.


  OTP-16060    Application(s): erts

               Fixed bug related to an exiting process sending EXIT
               and DOWN signals to remote linked/monitored processes.
               Bugs exists since OTP 22.0.


 --- Improvements and New Features ---

  OTP-15738    Application(s): erts
               Related Id(s): PR-2361

               *** HIGHLIGHT ***

               erlc can now automatically use a compile server to
               avoid starting an Erlang system for each file to be
               compiled in a multi-file project. See the documentation
               for how to enable it.


  OTP-15747    Application(s): erts, kernel
               Related Id(s): ERIERL-294

               The possibility to send ancillary data, in particular
               the TOS field, has been added to gen_udp:send/4,5.


  OTP-15765    Application(s): erts, sasl

               The net module has been split into 'net' (kernel) and
               prim_net (preloaded).


  OTP-15818    Application(s): erts

               Socket counters now works as expected and can also be
               extracted with the (new) info function.


  OTP-15831    Application(s): erts, stdlib
               Related Id(s): ERL-876

               re:run() now avoids validating utf8 in the subject more
               than once in the same call. This validation could
               previously be performed multiple times when the global
               option was passed.


  OTP-15905    Application(s): erts
               Related Id(s): PR-2270

               The un-documented function erlang:dist_get_stat/1 now
               returns the real value of what the distribution queue
               contains instead of a boolean.


  OTP-15906    Application(s): erts, stdlib

               ETS ordered_set tables with write_concurrency enabled
               has got a performance issue fixed. There were no limits
               for the values of internal statistics counters before
               this fix. This could result in that the data structure
               sometimes reacted slowly to a change in how many
               parallel processes were using it.


  OTP-15926    Application(s): erts
               Related Id(s): PR-2291

               Optimize the reception of large distribution messages.


  OTP-15977    Application(s): erts
               Related Id(s): ERIERL-366

               Binary matching and functions like split_binary/2 will
               now create heap binaries when the results are small
               enough, reducing the chances of small sub-binaries
               keeping large binaries alive.


  OTP-15983    Application(s): erts

               Fixed rare emulator crash in
               instrument:allocations/0-1.


  OTP-16001    Application(s): erts
               Related Id(s): ERIERL-366

               Ports could pass very small binaries as reference
               counted off heap binaries to processes. This could
               cause an unnecessary large memory usage and an
               unnecessary load on the binary allocator. Small
               binaries are now always passed as heap binaries to
               processes.


  OTP-16002    Application(s): erts, stdlib
               Related Id(s): ERIERL-366

               unicode:characters_to_binary() could return very small
               binaries as reference counted off heap binaries. This
               could cause an unnecessary large memory usage and an
               unnecessary load on the binary allocator. Small
               binaries are now always returned as heap binaries.


  OTP-16028    Application(s): erts
               Related Id(s): PR-2362

               Improved erl_nif documentation regarding on_load and
               Erlang stub/fallback functions.


  OTP-16035    Application(s): erts, stdlib
               Related Id(s): ERIERL-366

               New feature ets:info(_, binary) to get information
               about all reference counted binaries kept by a table.
               This is the same kind of debug information that
               process_info(_, binary) returns for a process.


 Full runtime dependencies of erts-10.5: kernel-6.1, sasl-3.3,
 stdlib-3.5


 ---------------------------------------------------------------------
 --- eunit-2.3.8 -----------------------------------------------------
 ---------------------------------------------------------------------

 The eunit-2.3.8 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-16000    Application(s): eunit

               Handle get_until request with explicit encoding in the
               implementation of the I/O protocol.


 Full runtime dependencies of eunit-2.3.8: erts-9.0, kernel-5.3,
 stdlib-3.4


 ---------------------------------------------------------------------
 --- ftp-1.0.3 -------------------------------------------------------
 ---------------------------------------------------------------------

 The ftp-1.0.3 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-16056    Application(s): ftp

               A possibly infinite loop when receiving messages
               divided in parts is removed.


 Full runtime dependencies of ftp-1.0.3: erts-7.0, kernel-6.0,
 stdlib-3.5


 ---------------------------------------------------------------------
 --- inets-7.1 -------------------------------------------------------
 ---------------------------------------------------------------------

 The inets-7.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Improvements and New Features ---

  OTP-15893    Application(s): inets
               Related Id(s): PR-2206

               httpd - Accept singel LF as line terminator


  OTP-16049    Application(s): inets
               Related Id(s): ERIERL-395

               mod_esi will now always propagate the actual HTTP
               status code that it answered with, to later
               mod-modules, and not in some cases hardcode 200.


 Full runtime dependencies of inets-7.1: erts-6.0, kernel-3.0,
 mnesia-4.12, runtime_tools-1.8.14, ssl-5.3.4, stdlib-3.5


 ---------------------------------------------------------------------
 --- jinterface-1.10.1 -----------------------------------------------
 ---------------------------------------------------------------------

 The jinterface-1.10.1 application can be applied independently of
 other applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-16050    Application(s): jinterface

               Replaced deprecated <tt> with <code> in documentation.


 ---------------------------------------------------------------------
 --- kernel-6.5 ------------------------------------------------------
 ---------------------------------------------------------------------

 The kernel-6.5 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15344    Application(s): kernel
               Related Id(s): ERL-947

               The type specification for gen_sctp:connect/4,5 has
               been corrected.


  OTP-15852    Application(s): erts, kernel

               Extra -mode flags given to erl are ignored with a
               warning.


  OTP-15858    Application(s): kernel
               Related Id(s): ERL-700

               Fix type spec for seq_trace:set_token/2.


  OTP-15942    Application(s): kernel
               Related Id(s): PR-2301

               logger:compare_levels/2 would fail with a badarg
               exception if given the values all or none as any of the
               parameters. This is now corrected.


  OTP-15997    Application(s): kernel
               Related Id(s): PR-2331

               Fix bug where the log file in logger_std_h would not be
               closed when the inode of the file changed. This would
               in turn cause a file descriptor leak when tools like
               logrotate are used.


  OTP-16022    Application(s): kernel

               Fix a race condition in the debugging function
               net_kernel:nodes_info/0.


  OTP-16023    Application(s): kernel

               Fix race condition when closing a file opened in
               compressed or delayed_write mode.


 --- Improvements and New Features ---

  OTP-15747    Application(s): erts, kernel
               Related Id(s): ERIERL-294

               The possibility to send ancillary data, in particular
               the TOS field, has been added to gen_udp:send/4,5.


  OTP-15850    Application(s): kernel

               If the log file was given with relative path, the
               standard logger handler (logger_std_h) would store the
               file name with relative path. If the current directory
               of the node was later changed, a new file would be
               created relative the new current directory, potentially
               failing with an enoent if the new directory did not
               exist. This is now corrected and logger_std_h always
               stores the log file name as an absolute path,
               calculated from the current directory at the time of
               the handler startup.


  OTP-15935    Application(s): kernel
               Related Id(s): PR-2299

               Support local sockets with inet:i/0.


 Full runtime dependencies of kernel-6.5: erts-10.2.5, sasl-3.0,
 stdlib-3.5


 ---------------------------------------------------------------------
 --- megaco-3.18.6 ---------------------------------------------------
 ---------------------------------------------------------------------

 The megaco-3.18.6 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15882    Application(s): megaco

               Fix various minor issues related to Dialyzer. Mostly
               these are dialyzer warnings, but there was also some
               minor bugs detected by Dialyzer.


 Full runtime dependencies of megaco-3.18.6: asn1-3.0, debugger-4.0,
 erts-7.0, et-1.5, kernel-3.0, runtime_tools-1.8.14, stdlib-2.5


 ---------------------------------------------------------------------
 --- mnesia-4.16.1 ---------------------------------------------------
 ---------------------------------------------------------------------

 The mnesia-4.16.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15933    Application(s): mnesia
               Related Id(s): ERL-872

               mnesia:add_table_copy/3 could cause a deadlock if
               called when a new node was starting.


  OTP-15979    Application(s): mnesia
               Related Id(s): ERL-768

               *** POTENTIAL INCOMPATIBILITY ***

               Transactions with sticky locks could with async_asym
               transactions be committed in the wrong order, since
               asym transaction are spawned on the remote nodes.

               To fix this bug the communication protocol between
               mnesia nodes had to be updated, thus mnesia will no
               longer be able to connect to nodes earlier than
               mnesia-4.14 , OTP-19.0.


 Full runtime dependencies of mnesia-4.16.1: erts-9.0, kernel-5.3,
 stdlib-3.4


 ---------------------------------------------------------------------
 --- observer-2.9.2 --------------------------------------------------
 ---------------------------------------------------------------------

 The observer-2.9.2 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15980    Application(s): observer
               Related Id(s): PR-2201

               Fix bug after a user followed link on a pid from an
               expanded term window.


 --- Improvements and New Features ---

  OTP-15916    Application(s): observer
               Related Id(s): ERL-921

               Improved dark mode colors on Linux.


 Full runtime dependencies of observer-2.9.2: erts-7.0, et-1.5,
 kernel-3.0, runtime_tools-1.8.14, stdlib-3.5, wx-1.2


 ---------------------------------------------------------------------
 --- os_mon-2.5.1 ----------------------------------------------------
 ---------------------------------------------------------------------

 The os_mon-2.5.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15778    Application(s): os_mon

               Fix disk_sup to ignore squashfs on Linux when
               determining if a mounted filesystem is full or not.


  OTP-15974    Application(s): os_mon
               Related Id(s): ERL-1012

               Fix bug where cpu_sup:util() always returned 100% on
               systems not using gnu libc, for example Alpine OS.


 Full runtime dependencies of os_mon-2.5.1: erts-6.0, kernel-3.0,
 sasl-2.4, stdlib-2.0


 ---------------------------------------------------------------------
 --- public_key-1.7 --------------------------------------------------
 ---------------------------------------------------------------------

 The public_key-1.7 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15870    Application(s): public_key
               Related Id(s): ERL-952

               Support Password based encryption with AES


 --- Improvements and New Features ---

  OTP-15843    Application(s): public_key
               Related Id(s): ERL-915

               Change dialyzer spec to avoid confusion


 Full runtime dependencies of public_key-1.7: asn1-3.0, crypto-3.8,
 erts-6.0, kernel-3.0, stdlib-3.5


 ---------------------------------------------------------------------
 --- runtime_tools-1.14 ----------------------------------------------
 ---------------------------------------------------------------------

 The runtime_tools-1.14 application can be applied independently of
 other applications on a full OTP 22 installation.

 --- Improvements and New Features ---

  OTP-16044    Application(s): runtime_tools

               Fix dbg:stop_clear/0 to also clear trace events (send
               and 'receive').


 Full runtime dependencies of runtime_tools-1.14: erts-8.0,
 kernel-5.0, mnesia-4.12, stdlib-3.0


 ---------------------------------------------------------------------
 --- sasl-3.4.1 ------------------------------------------------------
 ---------------------------------------------------------------------

 The sasl-3.4.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Improvements and New Features ---

  OTP-15765    Application(s): erts, sasl

               The net module has been split into 'net' (kernel) and
               prim_net (preloaded).


 Full runtime dependencies of sasl-3.4.1: erts-10.2, kernel-5.3,
 stdlib-3.4, tools-2.6.14


 ---------------------------------------------------------------------
 --- snmp-5.4 --------------------------------------------------------
 ---------------------------------------------------------------------

 The snmp-5.4 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15932    Application(s): snmp

               Fix various minor issues related to Dialyzer. Mostly
               these are dialyzer warnings, but there was also some
               minor bugs detected by Dialyzer.


 --- Improvements and New Features ---

  OTP-10400    Application(s): snmp
               Related Id(s): [164], kunagi-253

               Fixed a dets usage problem detected by dialyzer.


  OTP-15330    Application(s): snmp

               The function snmp:print_version_info() prints various
               version info. For each module a number of items are
               printed, such as app vsn and md5 digest. And an attempt
               was also made to print "compile time". This used to be
               available in the module_info for each module, but has
               now been removed.


  OTP-15331    Application(s): snmp

               The use of the deprecated random module has been
               replaced the with rand module.


  OTP-15332    Application(s): snmp

               Removed use of the deprecated function
               erlang:get_stacktrace(). Instead make use of the 'catch
               Class:Error:Stacktrace' feature.


 Full runtime dependencies of snmp-5.4: crypto-3.3, erts-6.0,
 kernel-3.0, mnesia-4.12, runtime_tools-1.8.14, stdlib-2.5


 ---------------------------------------------------------------------
 --- ssh-4.8 ---------------------------------------------------------
 ---------------------------------------------------------------------

 The ssh-4.8 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15820    Application(s): ssh

               Fixed wrong type definition for the daemon option
               subsystems.


  OTP-15962    Application(s): ssh
               Related Id(s): ERL-990

               Fixed a possible SSH logging crash if there was a
               problem in an early stage of session setup.


 --- Improvements and New Features ---

  OTP-15395    Application(s): ssh

               The documentation for the modules ssh_connection,
               ssh_sftp and ssh_sftpd are now generated from the
               -spec:s.


  OTP-15876    Application(s): ssh
               Related Id(s): PR-2255, PR-2256

               Internal cleanup including removal of the internal file
               ssh_userauth.hrl.


  OTP-15929    Application(s): ssh
               Related Id(s): PR-2297

               Removed unused definitions in ssh.hrl.


  OTP-15984    Application(s): ssh

               Removed unused fields in the internal #connection{}
               record.


  OTP-16040    Application(s): ssh

               To get information of a connection_ref() from for
               example ssh:connect/3, there was previously one
               function available namely ssh:connection_info/2. This
               ticket adds ssh:connection_info/1 which returns all
               information.

               For daemons (servers) started with for example
               ssh:daemon/2 the function ssh:daemon_info/1 returning
               all information was available. This ticket adds
               ssh:daemon_info/2 which returns only the information
               specified in the second argument.

               The info of connections and of daemons now also
               includes the item 'options'. Only those options that
               does not have their default values are returned.

               For a connection also the items 'algorithms' and
               'channels' are added.


 Full runtime dependencies of ssh-4.8: crypto-4.5, erts-9.0,
 kernel-5.3, public_key-1.6.1, stdlib-3.4.1


 ---------------------------------------------------------------------
 --- ssl-9.4 ---------------------------------------------------------
 ---------------------------------------------------------------------

 The ssl-9.4 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15328    Application(s): ssl
               Related Id(s): ERIERL-379

               Handling of zero size fragments in TLS could cause an
               infinite loop. This has now been corrected.


  OTP-15807    Application(s): ssl
               Related Id(s): ERL-920

               DTLS record check needs to consider that a resent hello
               message can have a different version than the
               negotiated.


 --- Improvements and New Features ---

  OTP-15431    Application(s): ssl

               *** HIGHLIGHT ***

               Basic support for TLS 1.3 Client for experimental use.
               For more information see the Standards Compliance
               chapter of the User's Guide.


  OTP-15823    Application(s): ssl
               Related Id(s): ERL-934, ERL-938

               Correct solution for retaining tcp flow control
               OTP-15802 (ERL-934) as to not break ssl:recv as
               reported in (ERL-938)


  OTP-15851    Application(s): ssl
               Related Id(s): PR-2235

               Enhance dialyzer specs to reflect implementation better
               and avoid dialyzer warnings for the user that wants to
               use TLS with unix domain sockets.


  OTP-15854    Application(s): ssl

               Add support for ECDSA signature algorithms in TLS 1.3.


  OTP-16027    Application(s): ssl

               Correct error handling of TLS downgrade, possible
               return values form ssl:close/2 when downgrading is {ok,
               Port} or {error, Reason}, it could happen that only ok
               was returned instead of {error, closed} when downgrade
               failed due to that the peer closed the TCP connection.


 Full runtime dependencies of ssl-9.4: crypto-4.2, erts-10.0,
 inets-5.10.7, kernel-6.0, public_key-1.5, stdlib-3.5


 ---------------------------------------------------------------------
 --- stdlib-3.10 -----------------------------------------------------
 ---------------------------------------------------------------------

 Note! The stdlib-3.10 application *cannot* be applied independently
       of other applications on an arbitrary OTP 22 installation.

       On a full OTP 22 installation, also the following runtime
       dependency has to be satisfied:
       -- erts-10.5 (first satisfied in OTP 22.1)


 --- Fixed Bugs and Malfunctions ---

  OTP-15836    Application(s): erts, stdlib
               Related Id(s): ERL-876

               re:run() now yields when validating utf8 in a large
               subject.


  OTP-15889    Application(s): erts, stdlib

               Upgraded the ERTS internal PCRE library from version
               8.42 to version 8.43. See
               http://pcre.org/original/changelog.txt for information
               about changes made to PCRE. This library implements
               major parts of the re regular expressions module.


  OTP-15959    Application(s): erts, stdlib
               Related Id(s): ERL-717

               The bug with ID ERL-717 has been fixed. The functions
               io:columns() and io:rows() only worked correctly inside
               interactive erlang shells before this fix. These
               functions returned {error,enotsup} before this fix even
               if stdout and stdin were connected to a terminal when
               they were invoked from an escript or a program started
               with e.g., erl -noshell.


  OTP-15987    Application(s): stdlib
               Related Id(s): ERL-1029

               Fixed handling of ".." and "@" in wildcards. ".." would
               only work when preceded by a literal pattern such as in
               "a/..", not when preceded by wildcard characters such
               as in "*/..". The combination "@/.." was also broken,
               and in addition "@" in a pattern could degrade
               performance of the wildcard matching.


  OTP-15992    Application(s): stdlib
               Related Id(s): PR-2322

               Make sure ets:fun2ms() can handle ++/2 in the head of
               functions when called from the shell.


 --- Improvements and New Features ---

  OTP-15510    Application(s): stdlib

               *** POTENTIAL INCOMPATIBILITY ***

               Debugging of time-outs in gen_statem has been improved.
               Starting a time-out is now logged in sys:log and
               sys:trace. Running time-outs are visible in server
               crash logs, and with sys:get_status. Due to this system
               events {start_timer, Action, State} and {insert_timout,
               Event, State} have been added, which may surprise tools
               that rely on the format of these events.

               New features: The EventContent of a running time-out
               can be updated with {TimeoutType, update,
               NewEventContent}. Running time-outs can be cancelled
               with {TimeoutType, cancel} which is more readable than
               using Time = infinity.


  OTP-15831    Application(s): erts, stdlib
               Related Id(s): ERL-876

               re:run() now avoids validating utf8 in the subject more
               than once in the same call. This validation could
               previously be performed multiple times when the global
               option was passed.


  OTP-15906    Application(s): erts, stdlib

               ETS ordered_set tables with write_concurrency enabled
               has got a performance issue fixed. There were no limits
               for the values of internal statistics counters before
               this fix. This could result in that the data structure
               sometimes reacted slowly to a change in how many
               parallel processes were using it.


  OTP-15927    Application(s): stdlib

               The ordsets:union/1 is now faster when passed a long
               list of ordsets.


  OTP-16002    Application(s): erts, stdlib
               Related Id(s): ERIERL-366

               unicode:characters_to_binary() could return very small
               binaries as reference counted off heap binaries. This
               could cause an unnecessary large memory usage and an
               unnecessary load on the binary allocator. Small
               binaries are now always returned as heap binaries.


  OTP-16006    Application(s): stdlib
               Related Id(s): ERL-992

               Display a more meaningful error message when a bad I/O
               server is used in a script written in Erlang (escript).


  OTP-16035    Application(s): erts, stdlib
               Related Id(s): ERIERL-366

               New feature ets:info(_, binary) to get information
               about all reference counted binaries kept by a table.
               This is the same kind of debug information that
               process_info(_, binary) returns for a process.


  OTP-16038    Application(s): stdlib
               Related Id(s): PR-2366

               Corrected ETS documentation about the behavior of
               compiled match specifications when serialized through
               external format.


 Full runtime dependencies of stdlib-3.10: compiler-5.0, crypto-3.3,
 erts-10.5, kernel-6.0, sasl-3.0


 ---------------------------------------------------------------------
 --- syntax_tools-2.2.1 ----------------------------------------------
 ---------------------------------------------------------------------

 The syntax_tools-2.2.1 application can be applied independently of
 other applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-16012    Application(s): syntax_tools
               Related Id(s): PR-2348

               Add missing calls to erl_syntax:unwrap/1. The nodes
               concerned represent names and values of maps and map
               types.


 Full runtime dependencies of syntax_tools-2.2.1: compiler-7.0,
 erts-9.0, kernel-5.0, stdlib-3.4


 ---------------------------------------------------------------------
 --- tools-3.2.1 -----------------------------------------------------
 ---------------------------------------------------------------------

 The tools-3.2.1 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15813    Application(s): tools
               Related Id(s): ERL-943

               cover would fail to start if two processes tried to
               start it at the exact same time.


 Full runtime dependencies of tools-3.2.1: compiler-5.0, erts-9.1,
 kernel-5.4, runtime_tools-1.8.14, stdlib-3.4


 ---------------------------------------------------------------------
 --- wx-1.8.9 --------------------------------------------------------
 ---------------------------------------------------------------------

 The wx-1.8.9 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15883    Application(s): wx
               Related Id(s): PR-2261

               Fix a driver bug that could crashes when allocating
               memory.


 Full runtime dependencies of wx-1.8.9: erts-6.0, kernel-3.0,
 stdlib-2.0


 ---------------------------------------------------------------------
 --- xmerl-1.3.22 ----------------------------------------------------
 ---------------------------------------------------------------------

 The xmerl-1.3.22 application can be applied independently of other
 applications on a full OTP 22 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15826    Application(s): xmerl

               xmerl_sax_parser crashed during charset detection when
               the xml declarations attribute values was missing the
               closing quotation (&apos; or &quot;).


 Full runtime dependencies of xmerl-1.3.22: erts-6.0, kernel-3.0,
 stdlib-2.5


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