Abandoned packages

Early jdz/* packages from the 2018–2019 era that are no longer maintained. They remain installable from Packagist for existing projects, but are marked abandoned and receive no updates — pick a maintained alternative instead.

• jdz/debug — Symfony VarDumper proxy. Use symfony/var-dumper directly, or jdz/dump.
• jdz/favicon — favicon generator. No successor.
• jdz/filesystem — filesystem helpers. Use symfony/filesystem.
• jdz/helpers — assorted helpers. Superseded by jdz/utilities.
• jdz/registry — key/value registry. Superseded by jdz/data.