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Erlang OTP-29.0.1, OTP-28.5.0.1 and OTP-27.3.4.12 released!

Erlang OTP-29.0.1, OTP-28.5.0.1 and OTP-27.3.4.12 has been released.

Patch Package:           OTP 29.0.1
Git Tag:                 OTP-29.0.1
Date:                    2026-05-27
Trouble Report Id:       OTP-20112, OTP-20129, OTP-20130, OTP-20134,
                         OTP-20138, OTP-20139, OTP-20140, OTP-20141,
                         OTP-20146
Seq num:                 CVE-2026-42789, CVE-2026-42790, ERIERL-1321,
                         GH-11088, PR-11007, PR-11089, PR-11100,
                         PR-11107, PR-11123, PR-11124, PR-11125,
                         PR-11135, PR-11136
System:                  OTP
Release:                 29
Application:             compiler-10.0.1, erts-17.0.1, kernel-11.0.1,
                         public_key-1.21.1, snmp-5.20.4, ssl-11.7.1
Predecessor:             OTP 29.0
Check out the git tag OTP-29.0.1, 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.

POTENTIAL INCOMPATIBILITIES

‘public_key’, Adhere to RFC 9525, and remove support for legacy fallback to check hostname against subject common name. Also improve error handling creating two separate errors for name constraint check for subject names and subject alternative names.

‘ssl’. Error handling is slightly changed to better reflect public_key behaviour.

Own Id: OTP-20130
Application(s): public_key, ssl
Related Id(s): [PR-11124], [CVE-2026-42790]

compiler-10.0.1

The compiler-10.0.1 application can be applied independently of other applications on a full OTP 29 installation.

Fixed Bugs and Malfunctions

In rare circumstances, optimization of boolean expressions could invert the boolean value.

Own Id: OTP-20140
Related Id(s): [GH-11088], [PR-11089]

The compiler could crash when compiling code using native records in certain ways.

Own Id: OTP-20146
Related Id(s): [PR-11135]

…

Link: Release OTP 29.0.1 · erlang/otp · GitHub

Patch Package:           OTP 28.5.0.1
Git Tag:                 OTP-28.5.0.1
Date:                    2026-05-27
Trouble Report Id:       OTP-20112, OTP-20116, OTP-20119, OTP-20123,
                         OTP-20126, OTP-20128, OTP-20129, OTP-20130,
                         OTP-20131, OTP-20134, OTP-20138, OTP-20140,
                         OTP-20141
Seq num:                 CVE-2026-42789, CVE-2026-42790, ERIERL-1314,
                         ERIERL-1315, ERIERL-1321, GH-10968, GH-11030,
                         GH-11088, OTP-20102, PR-11007, PR-11032,
                         PR-11062, PR-11067, PR-11079, PR-11089,
                         PR-11100, PR-11123, PR-11124, PR-11125,
                         PR-11136
System:                  OTP
Release:                 28
Application:             compiler-9.0.6.1, erts-16.4.0.1,
                         inets-9.6.2.1, kernel-10.6.3.1,
                         public_key-1.20.3.1, snmp-5.20.2.1,
                         ssl-11.6.0.1, wx-2.5.4.1
Predecessor:             OTP 28.5
Check out the git tag OTP-28.5.0.1, 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.

POTENTIAL INCOMPATIBILITIES

‘public_key’, Adhere to RFC 9525, and remove support for legacy fallback to check hostname against subject common name. Also improve error handling creating two separate errors for name constraint check for subject names and subject alternative names.

‘ssl’. Error handling is slightly changed to better reflect public_key behaviour.

Own Id: OTP-20130
Application(s): public_key, ssl
Related Id(s): [PR-11124], [CVE-2026-42790]

compiler-9.0.6.1

The compiler-9.0.6.1 application can be applied independently of other applications on a full OTP 28 installation.

Fixed Bugs and Malfunctions

In ra…