Issues

• Dependency Dashboard

  marshmallow-code/marshmallow-oneofschema#227 · Filter by author renovate opened on Apr 13, 2026

• Child schema's unknown setting in Meta class is ignored

  marshmallow-code/marshmallow-oneofschema#216 · Filter by author SteggyLeggy opened on Jul 29, 2025

• It's hard to use a parent schema's data to control a Nested OneOfSchema

  marshmallow-code/marshmallow-oneofschema#214 · Filter by author juledwar opened on May 12, 2025
  5

• Inconsistency of return type of OneOfSchema.load

  marshmallow-code/marshmallow-oneofschema#189 · Filter by author edager opened on Mar 28, 2024

• Possible redundant assertion in test_validate

  marshmallow-code/marshmallow-oneofschema#188 · Filter by author edager opened on Mar 28, 2024

• Required Field type Issue

  marshmallow-code/marshmallow-oneofschema#172 · Filter by author lmregus opened on Jan 10, 2023
  2

• Generated OpenAPI Spec Documentation?

  question
  marshmallow-code/marshmallow-oneofschema#154 · Filter by author arthurvanduynhoven opened on Jan 17, 2022
  1

• Unable to serialize type field in downstream schemas

  marshmallow-code/marshmallow-oneofschema#152 · Filter by author jbaron34 opened on Dec 16, 2021

• Feature request: "Unsupported value" error message - show supported values

  marshmallow-code/marshmallow-oneofschema#135 · Filter by author adamtheturtle opened on Mar 8, 2021

• Switch main branch name to dev to be consistent with other marshmallow-code projects

  marshmallow-code/marshmallow-oneofschema#129 · Filter by author sirosen opened on Nov 9, 2020

• Expect type_field_remove to remove the additional type-field in dump-Output

  marshmallow-code/marshmallow-oneofschema#126 · Filter by author doigl opened on Oct 22, 2020

• None type object in OneOfSchema

  marshmallow-code/marshmallow-oneofschema#112 · Filter by author froggylab opened on Apr 12, 2020

• Support for marshmallow_dataclass?

  marshmallow-code/marshmallow-oneofschema#100 · Filter by author mikeholler opened on Dec 10, 2019

• Children schema doesn't get parent init values

  marshmallow-code/marshmallow-oneofschema#86 · Filter by author jgourinda opened on Jun 10, 2019
  1

• Overriding handle_error does't work.

  marshmallow-code/marshmallow-oneofschema#74 · Filter by author jairhenrique opened on Apr 26, 2019
  1

• 0 does not work as schema key

  marshmallow-code/marshmallow-oneofschema#62 · Filter by author coding4food opened on Feb 28, 2019
  3

• _dump should raise errors instead of returning them

  marshmallow-code/marshmallow-oneofschema#48 · Filter by author robbertvc opened on Jan 8, 2019
  3

• Help to deserialize complex JSON

  marshmallow-code/marshmallow-oneofschema#14 · Filter by author vcamaral opened on Jul 5, 2018
  1

• Ability to set type_field errors dynamically

  marshmallow-code/marshmallow-oneofschema#11 · Filter by author WesDowney opened on Apr 11, 2018

• OneOfSchema can't use pre/post_dump/load decorators

  marshmallow-code/marshmallow-oneofschema#4 · Filter by author lafrech opened on Oct 19, 2016
  5