Adding the HTTP 501 NotImplemented response as stated by clause 6.3.7 Representation of Entities of ETSI GS CIM 009 V1.7.1. Including the NotImplemente response for the following operations: GET /entities and GET /entities/{entityId}.

Adding the jsonldContext parameter in Subscription.Common schema as stated by clause 5.2.12 Subscription of ETSI GS CIM 009 V1.7.1.

Adding the previousValue parameter in GeoProperty schemas as stated by clause 5.2.7 GeoProperty of ETSI GS CIM 009 V1.7.1.

Adding a new schema named VocabularyProperty for the new data type considered in the clause 5.2.35 VocabularyProperty of ETSI GS CIM 009 V1.7.1.

Adding the count query parameter and NGSILD-Results-Count HTTP header for 200 response within GET /temporal/entities operation as stated by clause 6.3.13 Counting Number of Results in ETSI GS CIM 009 V1.7.1.

Updating info and externalDocs sections of the NGSI-LD OAS to indicate the version 1.7.1 of NGSI-LD API.

Updating example of custom OpenAPI schemas that are compliant with the NGSI-LD OAS for IoT sensors use case.

Removing allOf keyword for references to additional components when there are already descriptions. Including  and description fields together despite the sibling issue in OAS 3.0.3.

NGSI-LD Data Types (Schemas, Headers, and Parameters) - OAS 1.6.1

Recovering SubscriptionFragment Request Body definition. Generating a new Path common schema for URI data type in path parameters. Generating a new SystemGeneratedAttributes for grouping subschemas of system-generated temporal attributes: createdAt, modifiedAt, and deletedAt, and updating references to it. Keeping NGSILD-Warning header only for HTTP GET operations performed over the resources /entities and /entities/{entity-id}.

Reviewing and fixing issues regarding schemas, headers and parameters sections within the NGSI-LD OAS 1.6.1.

NGSI-LD Context Source Registration and Context Source Discovery Operations - OAS 1.6.1

NGSI-LD Context Information Subscription and Context Source Registration Subscription Operations - OAS 1.6.1

NGSI-LD Context Information Provision Operations - OAS 1.6.1

NGSI-LD Context Information Consumption Operations - OAS 1.6.1

NGSI-LD JSON-LD Context Operations - OAS 1.6.1

NGSI-LD Batch Operations - OAS 1.6.1

Show the @context field on top of the request and response/request bodies for the Registry API operations for Temporal Context Information Provision operations.

Show the @context field on top of the request and response/request bodies for the Registry API operations for Temporal Context Information Consumption operations.

Adding the default value of 0 for aggrPeriodDuration query parameter as mandated from 5.7.4 Query Temporal Evolution of Entities and 5.7.3 Retrieve Temporal Evolution of an Entity operations.

Adding the System Attributes options parameter for 5.7.3 Retrieve Temporal Evolution of an Entity operation as deduced from clause 6.3.11.

Deleting scopeQ and limit extra parameters and skipping the required: true argument for timerel and timeAt query parameters from 5.7.3 Retrieve Temporal Evolution of an Entity operation.

Adding the alternative keyword simplified as synonym of keyword keyValues, as mandated from clause 6.3.7.

Adding the System Attributes options parameter for 5.7.4 Query Temporal Evolution of Entities operation as deduced from clause 6.3.11.

Adding the default value of observedAt within th timeproperty query parameter as defined by 5.7.3 Retrieve Temporal Evolution of an Entity and 5.7.4 Query Temporal Evolution of Entities operations.

Updating the descriptrion fo the request body for the 5.6.14 Partial Update Attribute instance in Temporal Representation of an Entity operation.

Updating description for the 5.6.13 Delete Attributes from Temporal Representation of an Entity operation.