Erlang OTP-28.2 released!

NewsBot · 24 November 2025 16:25

Erlang OTP-28.2 has been released.

Patch Package:           OTP 28.2
Git Tag:                 OTP-28.2
Date:                    2025-11-24
Trouble Report Id:       OTP-19813, OTP-19817, OTP-19818, OTP-19825,
                         OTP-19830, OTP-19832, OTP-19839, OTP-19845,
                         OTP-19846, OTP-19861, OTP-19865
Seq num:                 ERIERL-1251, ERIERL-1273, GH-10119, GH-10354,
                         PR-10284, PR-10290, PR-10296, PR-10339,
                         PR-10350, PR-10358, PR-10359, PR-10386,
                         PR-10396
System:                  OTP
Release:                 28
Application:             compiler-9.0.3, erts-16.1.2, kernel-10.4.2,
                         public_key-1.19, ssh-5.3.4, ssl-11.4.2,
                         syntax_tools-4.0.2
Predecessor:             OTP 28.1.1
Check out the git tag OTP-28.2, 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.

compiler-9.0.3

The compiler-9.0.3 application can be applied independently of other applications on a full OTP 28 installation.

Fixed Bugs and Malfunctions

Fixed broken type inference for lists:mapfoldl/r.

Own Id: OTP-19845
Related Id(s): [GH-10354], [PR-10358]

Full runtime dependencies of compiler-9.0.3

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

erts-16.1.2

The erts-16.1.2 application can be applied independently of other applications on a full OTP 28 installation.

Fixed Bugs and Malfunctions

Fixed a JIT bug that could miscompile equality tests on empty bitstrings.

Own Id: OTP-19846
Related Id(s): [PR-10359]

The documentation building code produced warnings during the build, if none of the applications were skipped. The warnings were resolved.

Own Id: OTP-19865
Related Id(s): ERIERL-1251, [PR-10396]

Full runtime …

Link: Release OTP 28.2 · erlang/otp · GitHub