NON-BREAKING CHANGES:
=====================
/a/:get - Request - Added endpoint

NON-BREAKING CHANGES WITH WARNING:
==================================
/b/ - x-ext-b-1 - Deleted Extension
/b/ - x-ext-b-2 - Added Extension
/b/ - x-ext-b-4 - Changed Extension Value
/b/:get - Request - Body.c.x-ext-param-c - Deleted Extension
/b/:get - Request - FormData.d.x-ext-param-d - Added Extension
/b/:get - Request - Headers.headerB-1.x-header-ext-1 - Deleted Extension
/b/:get - Request - Headers.headerB-1.x-header-ext-3 - Changed Extension Value
/b/:get - Request - Headers.headerB-2.x-header-ext-2 - Added Extension
/b/:get - Request - Path.b.x-ext-param-b - Added Extension
/b/:get - Request - Query.a.x-ext-param-a - Deleted Extension
/b/:get - Request - Query.a.x-ext-param-a-2 - Changed Extension Value
/b/:get - Request - Query.limit.x-ext-param-limit - Deleted Extension
/b/:get - Request - Query.offset.x-ext-param-offset - Added Extension
/b/:get - Request - Responses.x-ext-resp-1 - Deleted Extension
/b/:get - Request - Responses.x-ext-resp-2 - Added Extension
/b/:get - Request - Responses.x-ext-resp-3 - Changed Extension Value
/b/:get - Request - x-ext-1-operation - Added Extension
/b/:get - Request - x-ext-2-operation - Deleted Extension
/b/:get - Request - x-ext-3-operation - Added Extension
/b/:get - Request - x-ext-4-operation - Changed Extension Value
/b/:get -> 200 - Response - Body<A1>.x-b-items-2 - Deleted Extension
/b/:get -> 200 - Response - Body<A1>.x-b-items-3 - Added Extension
/b/:get -> 200 - Response - Body<array[A1]>.x-schema-1 - Deleted Extension
/b/:get -> 200 - Response - Body<array[A1]>.x-schema-2 - Added Extension
/b/:get -> 200 - Response - Body<array[A1]>.x-schema-3 - Changed Extension Value
/b/:post - Request - Body.c.x-ext-param-c - Deleted Extension
/b/:post - Request - FormData.d.x-ext-param-d - Added Extension
/b/:post - Request - Path.b.x-ext-param-b - Added Extension
/b/:post - Request - Query.a.x-ext-param-a - Deleted Extension
/b/:post - Request - Query.a.x-ext-param-a-2 - Changed Extension Value
Security Definitions.x-security-def-2 - Deleted Extension
Security Definitions.x-security-def-3 - Added Extension
Security Definitions.x-security-def-4 - Changed Extension Value
Spec Info.Contact.x-ext-contact-2 - Deleted Extension
Spec Info.Contact.x-ext-contact-3 - Added Extension
Spec Info.Contact.x-ext-contact-4 - Changed Extension Value
Spec Info.License.x-ext-license-2 - Deleted Extension
Spec Info.License.x-ext-license-3 - Added Extension
Spec Info.License.x-ext-license-4 - Changed Extension Value
Spec Info.x-ext-info-2 - Deleted Extension
Spec Info.x-ext-info-3 - Added Extension
Spec Tags.x-ext-tag1 - Added Extension
Spec Tags.x-ext-tag2 - Deleted Extension
Spec.x-root-ext-2 - Deleted Extension
Spec.x-root-ext-3 - Added Extension
Spec.x-root-ext-4 - Changed Extension Value
compatibility test OK. No breaking changes identified.