diff --git a/packages/core/src/api/api/resources/commons/types/ScoreConfig.ts b/packages/core/src/api/api/resources/commons/types/ScoreConfig.ts
index 085bed4f..bfd8cff6 100644
--- a/packages/core/src/api/api/resources/commons/types/ScoreConfig.ts
+++ b/packages/core/src/api/api/resources/commons/types/ScoreConfig.ts
@@ -13,7 +13,7 @@ export interface ScoreConfig {
   createdAt: string;
   updatedAt: string;
   projectId: string;
-  dataType: LangfuseAPI.ScoreDataType;
+  dataType: LangfuseAPI.ScoreConfigDataType;
   /** Whether the score config is archived. Defaults to false */
   isArchived: boolean;
   /** Sets minimum value for numerical scores. If not set, the minimum value defaults to -∞ */
diff --git a/packages/core/src/api/api/resources/commons/types/ScoreConfigDataType.ts b/packages/core/src/api/api/resources/commons/types/ScoreConfigDataType.ts
new file mode 100644
index 00000000..16ceeaca
--- /dev/null
+++ b/packages/core/src/api/api/resources/commons/types/ScoreConfigDataType.ts
@@ -0,0 +1,10 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+
+export type ScoreConfigDataType = "NUMERIC" | "BOOLEAN" | "CATEGORICAL";
+export const ScoreConfigDataType = {
+  Numeric: "NUMERIC",
+  Boolean: "BOOLEAN",
+  Categorical: "CATEGORICAL",
+} as const;
diff --git a/packages/core/src/api/api/resources/commons/types/ScoreDataType.ts b/packages/core/src/api/api/resources/commons/types/ScoreDataType.ts
index 971784fe..5a8699f5 100644
--- a/packages/core/src/api/api/resources/commons/types/ScoreDataType.ts
+++ b/packages/core/src/api/api/resources/commons/types/ScoreDataType.ts
@@ -2,9 +2,14 @@
  * This file was auto-generated by Fern from our API Definition.
  */
 
-export type ScoreDataType = "NUMERIC" | "BOOLEAN" | "CATEGORICAL";
+export type ScoreDataType =
+  | "NUMERIC"
+  | "BOOLEAN"
+  | "CATEGORICAL"
+  | "CORRECTION";
 export const ScoreDataType = {
   Numeric: "NUMERIC",
   Boolean: "BOOLEAN",
   Categorical: "CATEGORICAL",
+  Correction: "CORRECTION",
 } as const;
diff --git a/packages/core/src/api/api/resources/commons/types/index.ts b/packages/core/src/api/api/resources/commons/types/index.ts
index d48f1754..8bf3f801 100644
--- a/packages/core/src/api/api/resources/commons/types/index.ts
+++ b/packages/core/src/api/api/resources/commons/types/index.ts
@@ -37,4 +37,5 @@ export * from "./MapValue.js";
 export * from "./CommentObjectType.js";
 export * from "./DatasetStatus.js";
 export * from "./ScoreSource.js";
+export * from "./ScoreConfigDataType.js";
 export * from "./ScoreDataType.js";
diff --git a/packages/core/src/api/api/resources/ingestion/types/ScoreBody.ts b/packages/core/src/api/api/resources/ingestion/types/ScoreBody.ts
index d16007b3..f7b890bb 100644
--- a/packages/core/src/api/api/resources/ingestion/types/ScoreBody.ts
+++ b/packages/core/src/api/api/resources/ingestion/types/ScoreBody.ts
@@ -82,6 +82,7 @@ export interface ScoreBody {
   sessionId?: string;
   observationId?: string;
   datasetRunId?: string;
+  /** The name of the score. Always overrides "output" for correction scores. */
   name: string;
   environment?: string;
   /** The annotation queue referenced by the score. Indicates if score was initially created while processing annotation queue. */
diff --git a/packages/core/src/api/api/resources/metrics/client/Client.ts b/packages/core/src/api/api/resources/metrics/client/Client.ts
index ee074ed4..5170c920 100644
--- a/packages/core/src/api/api/resources/metrics/client/Client.ts
+++ b/packages/core/src/api/api/resources/metrics/client/Client.ts
@@ -63,6 +63,8 @@ export class Metrics {
   /**
    * Get metrics from the Langfuse project using a query object.
    *
+   * Consider using the [v2 metrics endpoint](/api-reference#tag/metricsv2/GET/api/public/v2/metrics) for better performance.
+   *
    * For more details, see the [Metrics API documentation](https://langfuse.com/docs/metrics/features/metrics-api).
    *
    * @param {LangfuseAPI.GetMetricsRequest} request
diff --git a/packages/core/src/api/api/resources/observations/client/Client.ts b/packages/core/src/api/api/resources/observations/client/Client.ts
index 00b894d0..9508f708 100644
--- a/packages/core/src/api/api/resources/observations/client/Client.ts
+++ b/packages/core/src/api/api/resources/observations/client/Client.ts
@@ -182,7 +182,9 @@ export class Observations {
   }
 
   /**
-   * Get a list of observations
+   * Get a list of observations.
+   *
+   * Consider using the [v2 observations endpoint](/api-reference#tag/observationsv2/GET/api/public/v2/observations) for cursor-based pagination and field selection.
    *
    * @param {LangfuseAPI.GetObservationsRequest} request
    * @param {Observations.RequestOptions} requestOptions - Request-specific configuration.
diff --git a/packages/core/src/api/api/resources/projects/types/Organization.ts b/packages/core/src/api/api/resources/projects/types/Organization.ts
new file mode 100644
index 00000000..3968357e
--- /dev/null
+++ b/packages/core/src/api/api/resources/projects/types/Organization.ts
@@ -0,0 +1,10 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+
+export interface Organization {
+  /** The unique identifier of the organization */
+  id: string;
+  /** The name of the organization */
+  name: string;
+}
diff --git a/packages/core/src/api/api/resources/projects/types/Project.ts b/packages/core/src/api/api/resources/projects/types/Project.ts
index 8a66c122..7d784467 100644
--- a/packages/core/src/api/api/resources/projects/types/Project.ts
+++ b/packages/core/src/api/api/resources/projects/types/Project.ts
@@ -2,9 +2,13 @@
  * This file was auto-generated by Fern from our API Definition.
  */
 
+import * as LangfuseAPI from "../../../index.js";
+
 export interface Project {
   id: string;
   name: string;
+  /** The organization this project belongs to */
+  organization: LangfuseAPI.Organization;
   /** Metadata for the project */
   metadata: Record<string, unknown>;
   /** Number of days to retain data. Null or 0 means no retention. Omitted if no retention is configured. */
diff --git a/packages/core/src/api/api/resources/projects/types/index.ts b/packages/core/src/api/api/resources/projects/types/index.ts
index 99b68ac6..abae05b5 100644
--- a/packages/core/src/api/api/resources/projects/types/index.ts
+++ b/packages/core/src/api/api/resources/projects/types/index.ts
@@ -1,4 +1,5 @@
 export * from "./Projects.js";
+export * from "./Organization.js";
 export * from "./Project.js";
 export * from "./ProjectDeletionResponse.js";
 export * from "./ApiKeyList.js";
diff --git a/packages/core/src/api/api/resources/scoreConfigs/types/CreateScoreConfigRequest.ts b/packages/core/src/api/api/resources/scoreConfigs/types/CreateScoreConfigRequest.ts
index e9c084e0..e5fb1055 100644
--- a/packages/core/src/api/api/resources/scoreConfigs/types/CreateScoreConfigRequest.ts
+++ b/packages/core/src/api/api/resources/scoreConfigs/types/CreateScoreConfigRequest.ts
@@ -6,7 +6,7 @@ import * as LangfuseAPI from "../../../index.js";
 
 export interface CreateScoreConfigRequest {
   name: string;
-  dataType: LangfuseAPI.ScoreDataType;
+  dataType: LangfuseAPI.ScoreConfigDataType;
   /** Configure custom categories for categorical scores. Pass a list of objects with `label` and `value` properties. Categories are autogenerated for boolean configs and cannot be passed */
   categories?: LangfuseAPI.ConfigCategory[];
   /** Configure a minimum value for numerical scores. If not set, the minimum value defaults to -∞ */
diff --git a/packages/core/src/api/api/resources/scoreV2/client/Client.ts b/packages/core/src/api/api/resources/scoreV2/client/Client.ts
index 355ebb13..f584d8ef 100644
--- a/packages/core/src/api/api/resources/scoreV2/client/Client.ts
+++ b/packages/core/src/api/api/resources/scoreV2/client/Client.ts
@@ -107,6 +107,7 @@ export class ScoreV2 {
       queueId,
       dataType,
       traceTags,
+      fields,
     } = request;
     const _queryParams: Record<
       string,
@@ -192,6 +193,10 @@ export class ScoreV2 {
       }
     }
 
+    if (fields != null) {
+      _queryParams["fields"] = fields;
+    }
+
     let _headers: core.Fetcher.Args["headers"] = mergeHeaders(
       this._options?.headers,
       mergeOnlyDefinedHeaders({
diff --git a/packages/core/src/api/api/resources/scoreV2/client/requests/GetScoresRequest.ts b/packages/core/src/api/api/resources/scoreV2/client/requests/GetScoresRequest.ts
index be84937a..d294adff 100644
--- a/packages/core/src/api/api/resources/scoreV2/client/requests/GetScoresRequest.ts
+++ b/packages/core/src/api/api/resources/scoreV2/client/requests/GetScoresRequest.ts
@@ -45,4 +45,6 @@ export interface GetScoresRequest {
   dataType?: LangfuseAPI.ScoreDataType;
   /** Only scores linked to traces that include all of these tags will be returned. */
   traceTags?: string | string[];
+  /** Comma-separated list of field groups to include in the response. Available field groups: 'score' (core score fields), 'trace' (trace properties: userId, tags, environment). If not specified, both 'score' and 'trace' are returned by default. Example: 'score' to exclude trace data, 'score,trace' to include both. Note: When filtering by trace properties (using userId or traceTags parameters), the 'trace' field group must be included, otherwise a 400 error will be returned. */
+  fields?: string;
 }