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## I. Upgrading notes

This file lists changes that affect users who installed older versions of this software, or third-party integrations and library or data consumers. When upgrading from an older NUT version, be sure to check this file to see if you need to make changes to your system.

We welcome feedback from package maintainers — if you had to patch something out, or work around something in NUT code or recipes, please let us know in the issue tracker. Chances are, other distributions feel your pain, and some generalized solution belongs in the upstream project as an easy to use build configuration toggle to be shared by all interested downstream projects.

### Note

For packaging (OS distribution or in-house) it is recommended to primarily `./configure --with-all` and then excise `--without-something` explicitly for items not supported on your platform, so you do not miss out on new NUT features as they come with new releases. Some may require that you update your build environment with new third-party dependencies, so a broken build of a new NUT release would let you know how to act.

This is a good time to point out that for stricter packaging systems, it may be beneficial to add `--enable-option-checking=fatal` to the `./configure` command line, in order to quickly pick up any other removed option flags.

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