Patch Package:           OTP 27.3.4.6
Git Tag:                 OTP-27.3.4.6
Date:                    2025-11-14
Trouble Report Id:       OTP-19814, OTP-19843
Seq num:                 PR-10353
System:                  OTP
Release:                 27
Application:             erts-15.2.7.4, kernel-10.2.7.3, wx-2.4.3.1
Predecessor:             OTP 27.3.4.5

Check out the git tag OTP-27.3.4.6, 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.

erts-15.2.7.4

The erts-15.2.7.4 application can be applied independently of other applications on a full OTP 27 installation.

Improvements and New Features

• Option(s) to create gen_tcp and socket sockets with protocol IPPROTO_MPTCP has been implemented.

  See functions gen_tcp:listen/2, gen_tcp:connect/4 and the type socket:protocol/0.

  Own Id: OTP-19814

Full runtime dependencies of erts-15.2.7.4

kernel-9.0, sasl-3.3, stdlib-4.1

kernel-10.2.7.3

Note! The kernel-10.2.7.3 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-15.2.5 (first satisfied in OTP 27.3.2)

Improvements and New Features

• Option(s) to create gen_tcp and socket sockets with protocol IPPROTO_MPTCP has been implemented.

  See functions gen_tcp:listen/2, gen_tcp:connect/4 and the type socket:protocol/0.

  Own Id: OTP-19814

Full runtime dependencies of kernel-10.2.7.3

crypto-5.0, erts-15.2.5, sasl-3.0, stdlib-6.0

wx-2.4.3.1

The wx-2.4.3.1 application can be applied independently of other applications on a full OTP 27 installation.

Fixed Bugs and Malfunctions

• Fixed reading out of array bounds and potential memory leaks.

  Own Id: OTP-19843
  Related Id(s): PR-10353

Full runtime dependencies of wx-2.4.3.1

erts-12.0, kernel-8.0, stdlib-5.0