marshmallow · Issues· 145 open
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- #2953
Dependency Dashboard
Updated Sep 21, 2026 - #2039
[RFC] Don't pass attr, obj, data to fields (de)serialize methods
feedback welcomebackwards incompatUpdated Aug 30, 2026 - #1841
Should marshmallow v5 set required names for hooks?
Updated Aug 30, 2026 - #1857
Schema.dump_only returns empty set if fields explicitly declared dump_only
Updated Aug 23, 2026 - #3019
[Bug] Negative POSIX timestamps cannot be deserialized after timestamp serialization
Updated Aug 18, 2026 - #2836
Consistency with allow_none with serialization and deserialization
Updated Jul 16, 2026 - #2961
Inconsistent value type when validating nested schema fields
Updated May 3, 2026 - #853
Allow specifying output field when using `unknown=INCLUDE`
help wantedfeedback welcomeUpdated Mar 1, 2026 - #1411
Generate a TypedDict or dataclass from Schema
feedback welcomeUpdated Feb 12, 2026 - #2889
Feature - allow inheriting load_default from nested schema populated with from_dict
Updated Jan 9, 2026 - #2833
'NoneType' object is not subscriptable when serializing fields that do not belong to the database is None
questionUpdated Jan 7, 2026 - #2822
TimeDelta misleading 'precision' argument & v4 breaking change
feedback welcomeUpdated Dec 25, 2025 - #779
RFC: Remove Nested(many=True) to keep only the List(Nested()) form
feedback welcomebackwards incompatUpdated Dec 1, 2025 - #1801
List(Nested()) doesn't use `many` in the nested schema
Updated Nov 10, 2025 - #2824
Extra documentation for new context implementation?
questionpolymorphismUpdated Oct 27, 2025