[jdk21u-dev] Integrated: 8375063: Update Libpng to 1.6.54

[Sergey Bylokhov]

On Thu, 22 Jan 2026 01:07:01 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [a2e74957](https://github.com/openjdk/jdk/commit/a2e749572e03dd394d123b701e163e3837472dd0) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Jayathirth D V on 21 Jan 2026 and was reviewed by Sergey Bylokhov and Phil Race.
> 
> Thanks!

This pull request has now been integrated.

Changeset: 422784f7
Author:    Sergey Bylokhov <serb at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/422784f7d43e38f4e05e0d1399e20cff2bab6a57
Stats:     1406 lines in 16 files changed: 443 ins; 7 del; 956 mod

8375063: Update Libpng to 1.6.54

Backport-of: a2e749572e03dd394d123b701e163e3837472dd0

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PR: https://git.openjdk.org/jdk21u-dev/pull/2558