[Bug]: AWS Amplify APP IAM Role update forces App replacement

[taraspos]

Terraform Core Version

1.5.7

AWS Provider Version

5.70.0

Affected Resource(s)

aws_amplify_app

Expected Behavior

Changing iam_service_role_arn shouldn NOT trigger app replacement. See CloudFormation docs.

Actual Behavior

Changing iam_service_role_arn triggers App Replacement.

Relevant Error/Panic Output Snippet

# module.my_app.aws_amplify_app.my_app must be replaced
-/+ resource "aws_amplify_app" "<Redacted>" {
      ~ arn                           = "arn:aws:amplify:<Redacted>" -> (known after apply)
      - auto_branch_creation_patterns = [
          - "*",
          - "*/**",
        ] -> null
      + custom_headers                = (known after apply)
      ~ default_domain                = "<Redacted>" -> (known after apply)
      - enable_basic_auth             = false -> null
      - enable_branch_auto_build      = false -> null
      ~ iam_service_role_arn          = "<Redacted>" -> (known after apply) # forces replacement
      ~ id                            = "<Redacted>" -> (known after apply)
        name                          = "<Redacted>"

### Terraform Configuration Files

---

### Steps to Reproduce

---

### Debug Output

_No response_

### Panic Output

_No response_

### Important Factoids

_No response_

### References

_No response_

### Would you like to implement a fix?

None

[github-actions]

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[taraspos]

This commit needs to be reverted:

• 76e401e