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June 2026

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INCOMPATIBLE CHANGE: remove class-level attributes from twisted.names.dns.Message
by gudni.m.g＠gmail.com June 22, 2026

June 22, 2026

I would like to request approval for an incompatible change under Twisted's compatibility-policy exception process. The proposed change removes the class-level attributes `Message.queries`, `Message.answers`, `Message.add`, and `Message.ns` from `twisted.names.dns.Message`. This does not remove the instance attributes `queries` and `answers`; those continue to be initialized by `Message.__init__` and used as before. The incompatibility is limited to code that accesses these names on the class object itself, for example `dns.Message.queries`. I checked Twisted's source tree and did not find class-level uses of these attributes. I also did a public code search and did not find examples of this class-level access pattern. Ticket: https://github.com/twisted/twisted/issues/12667 Branch/PR: github.com/twisted/twisted/pull/12668 If this affects your application or test suite, please reply with details. Under the exception process, this branch needs to be available for one week after this announcement, and at least three committers need to agree that the change is worthwhile.

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