diff --git a/src/api/backend/api/default.service.ts b/src/api/backend/api/default.service.ts
index e420442..246f9fd 100644
--- a/src/api/backend/api/default.service.ts
+++ b/src/api/backend/api/default.service.ts
@@ -4840,6 +4840,14 @@ export class DefaultService {
             headers = headers.set('year', String(year));
         }
 
+        // authentication (ksi) required
+        if (this.configuration.accessToken) {
+            const accessToken = typeof this.configuration.accessToken === 'function'
+                ? this.configuration.accessToken()
+                : this.configuration.accessToken;
+            headers = headers.set('Authorization', 'Bearer ' + accessToken);
+        }
+
         // to determine the Accept header
         let httpHeaderAccepts: string[] = [
             'application/json'
@@ -4881,6 +4889,14 @@ export class DefaultService {
 
         let headers = this.defaultHeaders;
 
+        // authentication (ksi) required
+        if (this.configuration.accessToken) {
+            const accessToken = typeof this.configuration.accessToken === 'function'
+                ? this.configuration.accessToken()
+                : this.configuration.accessToken;
+            headers = headers.set('Authorization', 'Bearer ' + accessToken);
+        }
+
         // to determine the Accept header
         let httpHeaderAccepts: string[] = [
             'application/json'
diff --git a/src/api/edulint.yaml b/src/api/edulint.yaml
index 2816a52..6517b93 100644
--- a/src/api/edulint.yaml
+++ b/src/api/edulint.yaml
@@ -45,14 +45,14 @@ paths:
       summary: List of currently supported Edulint versions.
       responses:
         "200":
-          description: The versions are sorted -- the newest version is listed first.
+          description: Different EduLint versions are currently not supported. Endpoint returns only "latest".
           content:
             application/json:
               schema:
                 type: array
                 items:
                   type: string
-                example: ["2.10.2", "2.9.2"]
+                example: ["latest"]
 
   /api/code:
     post:
@@ -128,7 +128,7 @@ paths:
       parameters:
         - name: version
           in: path
-          description: The version of EduLint to use. You can use either a specific version (e.g. 2.0.0) or "latest".
+          description: The version of EduLint to use. Currently, you can only use "latest".
           required: true
           schema:
             type: string
@@ -171,7 +171,7 @@ paths:
       parameters:
         - name: version
           in: path
-          description: The version of EduLint to use. You can use either a specific version (e.g. 2.0.0) or "latest".
+          description: The version of EduLint to use. Currently, you can only use "latest".
           required: true
           schema:
             type: string
diff --git a/src/api/edulint/api/aPI.service.ts b/src/api/edulint/api/aPI.service.ts
index c0a4fa0..4703982 100644
--- a/src/api/edulint/api/aPI.service.ts
+++ b/src/api/edulint/api/aPI.service.ts
@@ -64,7 +64,7 @@ export class APIService {
     /**
      * Analyzes the code with the given hash with the given version of EduLint
      * 
-     * @param version The version of EduLint to use. You can use either a specific version (e.g. 2.0.0) or \"latest\".
+     * @param version The version of EduLint to use. Currently, you can only use \"latest\".
      * @param hash the hash of the code to analyze
      * @param config extra configuration to use (equivalent to command line configuration described in [EduLint's documentation](https://edulint.rtfd.io#configuration)).
      * @param use_cached_result enables/disables using cached linting results
@@ -212,7 +212,7 @@ export class APIService {
      * Uploads some code and returns its analysis
      * This endpoint combines the /code and /api/{version}/analyze/{hash} endpoints.
      * @param body the code to upload and analyze
-     * @param version The version of EduLint to use. You can use either a specific version (e.g. 2.0.0) or \"latest\".
+     * @param version The version of EduLint to use. Currently, you can only use \"latest\".
      * @param config extra configuration to use (equivalent to command line configuration described in [EduLint's documentation](https://edulint.rtfd.io#configuration)).
      * @param use_cached_result enables/disables using cached linting results
      * @param observe set whether or not to return the data Observable as the body, response or events. defaults to returning the body.
diff --git a/src/app/services/tasks/tasks.service.ts b/src/app/services/tasks/tasks.service.ts
index 7d47f7f..76e35ec 100644
--- a/src/app/services/tasks/tasks.service.ts
+++ b/src/app/services/tasks/tasks.service.ts
@@ -51,7 +51,10 @@ export class TasksService {
       shareReplay(1)
     );
 
-    this.waves$ = year.selected$.pipe(
+    this.waves$ = merge(
+      backend.user$.pipe(map(() => this.year.selected)),
+      year.selected$
+    ).pipe(
       mergeMap((year) => this.backend.http.wavesGetAll(year?.id)),
       map((response) => {
         const {waves} = response;