SwaggerEditor@next: oneOf must be a non-empty array of schemas

[Skeeve]

Q&A (please complete the following information)

• OS: macOS
• Browser: Vivaldi
• Version: 6.1.3035.100 (Stable channel) (x86_64)
• Method of installation: docker, but also tried on https://editor-next.swagger.io
• Swagger-Editor version: next-v5 I guess
• Swagger/OpenAPI version: 3.0.3

Content & configuration

Please find my "stripped down" OpenAPI definition gere:

openapi: 3.0.3
info:
  title: Test
  version: "1.2.alpha2"
paths:
  /notifications:
    get:
      summary: Get the current active notifications per brand or sender
      responses:
        '200':
          description: …
          content:
            application/json:
              schema:
                oneOf:
                  - $ref: "#/components/schemas/notifications_sender"
                  - $ref: "#/components/schemas/brand_info"
                  - $ref: "#/components/schemas/just_a_number"
components:
  schemas:
    notifications_sender:
      type: object
      properties:
        amount:
          type: integer
        alert_status:
          type: string
          pattern: ^(OK|WARNING|ALARM)$
      required:
        - amount
        - alert_status
    brand_info:
      type: array
      items:
        type: object
        properties:
          amount:
            type: integer
          alert_status:
            type: string
            pattern: ^(OK|WARNING|ALARM)$
          brand:
            type: string
            minLength: 1
            maxLength: 255
        required:
          - amount
          - brand
    just_a_number:
      type: integer

Swagger-Editor configuration options:

Using it OOTB

?withCredentials=true

Describe the bug you're encountering

I get the error message:

Severity	Line	Code	Message
!	14	10055	oneOf must be a non-empty array of schemas

To reproduce...

Steps to reproduce the behavior:

1. Go to https://editor-next.swagger.io
2. Paste my example
3. See error

Expected behavior

I cannot see what's wrong with my OpeAPI definition

[Skeeve]

P.S. Insomnia does not complain, neither does "ReDoc" in VSCode do.

[Skeeve]

Seems this is related to #4026

[char0n]

Yes, this is duplicated of #4026 which has already been fixed, but now yet released.