Repository Issue Activity (beta)

#2953 Dependency Dashboard

#2039 [RFC] Don't pass attr, obj, data to fields (de)serialize methods

#1841 Should marshmallow v5 set required names for hooks?

#2189 Validation does not occur on serialization documentation issue

#1857 Schema.dump_only returns empty set if fields explicitly declared dump_only

#2893 `utils.get_value` raise TypeError with out-of-range `int` index

#2872 Performance impact of Nested with many vs List of Nested.

#3019 [Bug] Negative POSIX timestamps cannot be deserialized after timestamp serialization

#3005 Field.error_messages shallow-merges nested dict/list values: mutating one instance changes every instance and the class default

#2985 Question: Should `fields.Enum()` accept `None` when an enum member has value `None`?

#2836 Consistency with allow_none with serialization and deserialization

#2999 `test_from_timestamp_with_overflow_value` test failing on Windows because of message mismatch

#2978 backports/_datetime_fromisoformat.cpython-312-darwin.so: Mach-O 64-bit bundle arm64

#2982 Proposal: optional Rust-accelerated dump/load backend for 4.x (drop-in, ~5-9× faster, with pure-Python fallback)

#2981 Use uv.lock in tox testenv

#612 fields.DateTime - load/dump to timestamp

#2961 Inconsistent value type when validating nested schema fields

#2949 Field(metadata=...) keeps caller mapping by reference (copy semantics changed since #2701)

#1391 Add a way to trim whitespace characters

#2787 Add field-level pre/post-load API

#2851 Infinite recursion in docs - Nesting a schema within itself

#2821 There is not way to make `marshmallow.validate.URL` accept IDNs (Internationalized Domain Names)

#2936 Update Email validator to support IDNs

#2879 3.x: Mypy Unreachable

#1695 Add type mapping from IP* fields to ipaddress