Oauth2.0 - encoded URL values option is ignored

  1. My goal: Test OAuth 2.0 Authorization Code Grant
  2. Issue: redirect_uri parameter is being encoded, despite checking “Disable URL encoding”
  3. Steps I've taken to troubleshoot:
  4. Additional info: Cloud

The callback URL is used as the redirect_uri parameter, however the OAuth 2.0 service I am using requires all redirect_uri values to not be encoded.

When navigating to the authorization page for the service, the parameter is encoded:

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So I change the Advanced options, and save the resource:

I try again. The parameter remains encoded:

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Hoping someone can identify if this setting is being used or ignored when building the redirect URL query parameters.

Thank you!