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Issues list

RFC: Remove Nested(many=True) to keep only the List(Nested()) form backwards incompat feedback welcome
#779 opened Apr 19, 2018 by lafrech 5.0
40
Empty strings as None (revisited) feedback welcome
#713 opened Jan 2, 2018 by csingley
1
32
Investigate Serialization Performance
#805 opened May 14, 2018 by deckar01
@deckar01
26
fields.DateTime - load/dump to timestamp datetime help wanted
#612 opened Apr 16, 2017 by vgavro
1
21
Add a way to trim whitespace characters feedback welcome
#1391 opened Sep 11, 2019 by 245967906
17
"unknown" option should apply to nested fields so that "exclude" works docs
#1490 opened Jan 14, 2020 by psverkada
1
15
Can't json encode some validation errors, "unorderable types: str() < int()" backwards incompat feedback welcome
#493 opened Jul 12, 2016 by dequis
14
Meta Decorator
#1879 opened Sep 15, 2021 by deckar01
1
12
Object to pass to Nested as missing
#1042 opened Nov 7, 2018 by cancan101
12
fields.Nested should optionally pass the parent object to the Nested Schema
#940 opened Sep 7, 2018 by remeika
12
Type hinting for load is too strict help wanted typing
#1457 opened Nov 12, 2019 by jrefice
11
Why is post_load called after schema.validate()?
#1190 opened Apr 8, 2019 by adkl
11
How to report errors for container fields? backwards incompat feedback welcome refactor
#879 opened Jul 11, 2018 by lafrech 5.0
11
Add field-level pre/post-load API feedback welcome
#2787 opened Jan 17, 2025 by sloria
9
Bug: several nested partial issues (sequence partial, data key, schema initialized partial)
#2041 opened Aug 31, 2022 by pavellos21
8
pathlib.Path support
#1815 opened May 26, 2021 by mivade
8
Dumping objects with fields unknown to schema in versions >=3.0.0 question
#1545 opened Mar 20, 2020 by arjunKay
8
Serialize multiple attributes using Pluck question
#1818 opened Jun 4, 2021 by plondino
7
Consider moving marshmallow-oneofschema into the core library? polymorphism
#1751 opened Feb 18, 2021 by sirosen
7
unknown parameter passed to load method is not popagated to nested schema field. backwards incompat
#1428 opened Oct 18, 2019 by lmignon
1
7
Generate a TypedDict or dataclass from Schema feedback welcome
#1411 opened Sep 17, 2019 by OJFord
7
Reduce confusion around fields.Pluck behavior feedback welcome
#1315 opened Jul 20, 2019 by sloria
7
Schema fields with dict attribute names return dict attributes when keys missing feedback welcome needs review
#648 opened Jun 14, 2017 by dgilland 5.0
7
Accessing previously deserialized field data from a different field question
#1387 opened Sep 9, 2019 by vamsu
6
Allow postprocess to be passed in Schema.load
#1192 opened Apr 8, 2019 by jonathanlintott
6
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