Patch Package:           OTP 27.3
Git Tag:                 OTP-27.3
Date:                    2025-03-05
Trouble Report Id:       OTP-19397, OTP-19399, OTP-19400, OTP-19405,
                         OTP-19410, OTP-19416, OTP-19418, OTP-19423,
                         OTP-19428, OTP-19429, OTP-19433, OTP-19442,
                         OTP-19443, OTP-19447, OTP-19449, OTP-19458,
                         OTP-19459, OTP-19468, OTP-19471, OTP-19475,
                         OTP-19489, OTP-19490, OTP-19491, OTP-19495,
                         OTP-19496, OTP-19501, OTP-19504
Seq num:                 ERIERL-1195, GH-8208, GH-8634, GH-9000,
                         GH-9096, GH-9150, GH-9163, GH-9190, GH-9222,
                         GH-9306, GH-9332, GH-9348, GH-9359, PR-8209,
                         PR-8640, PR-8811, PR-9136, PR-9151, PR-9160,
                         PR-9185, PR-9188, PR-9248, PR-9274, PR-9288,
                         PR-9295, PR-9303, PR-9307, PR-9308, PR-9331,
                         PR-9335, PR-9338, PR-9349, PR-9358, PR-9368,
                         PR-9371, PR-9379, PR-9419, PR-9424, PR-9463,
                         PR-9469, PR-9499
System:                  OTP
Release:                 27
Application:             asn1-5.3.2, common_test-1.27.7, compiler-8.6,
                         crypto-5.5.3, erts-15.2.3, kernel-10.2.3,
                         mnesia-4.23.4, ssh-5.2.8, ssl-11.2.9,
                         stdlib-6.2.1, syntax_tools-3.2.2, xmerl-2.1.1
Predecessor:             OTP 27.2.4

Check out the git tag OTP-27.3, 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.

asn1-5.3.2

The asn1-5.3.2 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Multiple bugs in decoding of the REAL type has been eliminated. Also, the documentation for REAL has been updated to mention the special values 0, PLUS-INFINITY, and MINUS-INFINITY.

Own Id: OTP-19504
Related Id(s): GH-9096, PR-9469

Full runtime dependencies of asn1-5.3.2

erts-14.0, kernel-9.0, stdlib-5.0

common_test-1.27.7

The common_test-1.27.7 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Reduced the memory usage when testcases prints a lot to the log.

Own Id: OTP-19489
Related Id(s): PR-9424

• Fixed the built-in hook cth_surefire to not crash when a group within a skipped group is skipped.

Own Id: OTP-19491
Related Id(s): PR-9419

Full runtime dependencies of common_test-1.27.7

compiler-6.0, crypto-4.5, debugger-4.1, erts-7.0, ftp-1.0, inets-6.0, kernel-8.4, observer-2.1, runtime_tools-1.8.16, sasl-2.5, snmp-5.1.2, ssh-4.0, stdlib-4.0, syntax_tools-1.7, tools-3.2, xmerl-1.3.8

compiler-8.6

The compiler-8.6 application can be applied independently of other applications on a full OTP 27 installation.

Improvements and New Features

• The beam_validator pass in the compiler that validates generated BEAM now does stronger checks for binary syntax matching.

Own Id: OTP-19449
Related Id(s): PR-9338

Full runtime dependencies of compiler-8.6

crypto-5.1, erts-13.0, kernel-8.4, stdlib-6.0

crypto-5.5.3

The crypto-5.5.3 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• crypto will now work when ED25519 and X25519 are available while ED448 and X448 are not, which is the case in LibreSSL. This is necessary for supporting TLS1.3 using LibreSSL.

Own Id: OTP-19399
Related Id(s): GH-9000, PR-9136

Full runtime dependencies of crypto-5.5.3

erts-9.0, kernel-5.3, stdlib-3.9

erts-15.2.3

The erts-15.2.3 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Fixed failed runtime assert in debug VM when built with statically linked NIFs.

Own Id: OTP-19443
Related Id(s): GH-9306, PR-9307

• Fixed a bug where reading a binary from [persistent_term] could cause a segmentation fault on Windows. This bug was introduced in Erlang/OTP 27.0.

Own Id: OTP-19458
Related Id(s): GH-9222, PR-9349

• Fixed a crash in erlexec (an executable used by erl during startup) when a PATH longer than 10240 was set.

Own Id: OTP-19471
Related Id(s): PR-9331

• Fixed bug in erlang:halt. Two processes calling erlang:halt at the same time could lead to one of them crashing with badarg as if it called erlang:halt(undefined,undefined).

Own Id: OTP-19490
Related Id(s): GH-8634, PR-8640

• Fixed BEAM crash when a custom thread sends a large map (>128 keys) externally encoded with, for example, erl_drv_send_term().

Own Id: OTP-19495
Related Id(s): GH-8208, PR-8209

Full runtime dependencies of erts-15.2.3

kernel-9.0, sasl-3.3, stdlib-4.1

kernel-10.2.3

Note! The kernel-10.2.3 application cannot be applied independently of other applications on an arbitrary OTP 27 installation.

   On a full OTP 27 installation, also the following runtime
   dependency has to be satisfied:
   -- erts-15.1 (first satisfied in OTP 27.1)

Fixed Bugs and Malfunctions

• Clarify inet:setopts documentation

Own Id: OTP-19416
Related Id(s): PR-9248

• Fix bug where log printouts would go missing when application_controller is stopping while log messages are being sent.

This bug was introduced by OTP-19078 in Erlang/OTP 26.2.5.

Own Id: OTP-19418
Related Id(s): GH-9163, PR-9274

• Fixes a bug in the socket type spec, which caused Dialyzer to reject some valid programs.

Own Id: OTP-19429
Related Id(s): PR-9295, PR-9379

Full runtime dependencies of kernel-10.2.3

crypto-5.0, erts-15.1, sasl-3.0, stdlib-6.0

mnesia-4.23.4

The mnesia-4.23.4 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Mnesia could fail to load a table, if one of the copy holders was moved during startup.

Own Id: OTP-19501
Related Id(s): ERIERL-1195, PR-9499

Full runtime dependencies of mnesia-4.23.4

erts-9.0, kernel-5.3, stdlib-5.0

ssh-5.2.8

The ssh-5.2.8 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Minor documentation improvements.

Own Id: OTP-19410
Related Id(s): PR-9188

• Function specification for ssh_sftp:start_channel/2 is fixed.

Own Id: OTP-19475
Related Id(s): GH-9359, PR-9368

Full runtime dependencies of ssh-5.2.8

crypto-5.0, erts-14.0, kernel-9.0, public_key-1.6.1, runtime_tools-1.15.1, stdlib-5.0, stdlib-6.0

ssl-11.2.9

Note! The ssl-11.2.9 application cannot be applied independently of other applications on an arbitrary OTP 27 installation.

   On a full OTP 27 installation, also the following runtime
   dependency has to be satisfied:
   -- public_key-1.16.4 (first satisfied in OTP 27.1.3)

Fixed Bugs and Malfunctions

• The function for selecting the best server certificate and key pair has been enhanced when several options are available to ensure that the fallback will not always be chosen.

Own Id: OTP-19423
Related Id(s): PR-9185

• Avoided duplicating a few algorithms in default values caused by an interoperability workaround not needed in this case.

Own Id: OTP-19428
Related Id(s): PR-9288

• Fixed two alert bugs, which could result in a crash instead of an alert.

Own Id: OTP-19433
Related Id(s): PR-9308

Full runtime dependencies of ssl-11.2.9

crypto-5.0, erts-15.0, inets-5.10.7, kernel-9.0, public_key-1.16.4, runtime_tools-1.15.1, stdlib-6.0

stdlib-6.2.1

The stdlib-6.2.1 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Fixed argparse:help/2 to accept the program name as part of the command path.

Own Id: OTP-19397
Related Id(s): PR-9160

• Fixed argparse:format_help/2 crash on 'hidden' command.

Own Id: OTP-19400
Related Id(s): GH-9150, PR-9151

• Fixed the type specification for timer:sleep/1 by adding the value infinity to its input type.

Own Id: OTP-19442
Related Id(s): PR-9303

• Eliminated a crash in zip:unzip/1 while unzipping an archive where a directory within was read-only. This bug was introduced in Erlang/OTP 27.1.

Own Id: OTP-19447
Related Id(s): GH-9332, PR-9335

• Fixed map comprehension result when a key value is replaced.

Own Id: OTP-19459
Related Id(s): GH-9348, PR-9358

• Fixed string:jaro_similarity/1 for matching strings of length 1.

Own Id: OTP-19468
Related Id(s): PR-9371

Full runtime dependencies of stdlib-6.2.1

compiler-5.0, crypto-4.5, erts-15.0, kernel-10.0, sasl-3.0

syntax_tools-3.2.2

The syntax_tools-3.2.2 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Annotation of maybe expressions has been corrected.

Own Id: OTP-19405
Related Id(s): PR-8811

Full runtime dependencies of syntax_tools-3.2.2

compiler-7.0, erts-9.0, kernel-5.0, stdlib-4.0

xmerl-2.1.1

The xmerl-2.1.1 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Some old-style catch expressions in the xmerl_sax_parser when the continuation fun was called caused the stack to grow until all free memory was exhausted. These parts have been rewritten so that the parser now runs correctly without growing the stack. At the same time all old-style catch expressions in xmerl were replaced with try/catch.

Own Id: OTP-19496
Related Id(s): GH-9190, PR-9463

Full runtime dependencies of xmerl-2.1.1

erts-6.0, kernel-8.4, stdlib-2.5

Thanks to

Adam Bray, Alexandre Rodrigues, Brandon Duff, Daniel Gorin, dependabot[bot], Eric Meadows-Jönsson, Jan Uhlig, Jean-Sébastien Pédron, Jesse Stimpson, lexprfuncall, Maria Scott, Marko Mindek, Nikita Vorobey, Olivier Boudeville, Rin Kuryloski, Roberto Aloi, Simon Cornish, Stefan Grundmann, victor23k, Volker Schlecht