diff --git a/package.json b/package.json
index 93fe7bfa10..4d7cd1f40c 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,6 @@
     "pkginfo": "^0.4.1",
     "prom-client": "^14.0.0",
     "response-time": "^2.3.2",
-    "sanitize-filename": "^1.6.3",
     "semver": "^7.3.5",
     "serve-favicon": "^2.5.0",
     "stoppable": "^1.1.0",
diff --git a/src/lib/services/feature-toggle-service.ts b/src/lib/services/feature-toggle-service.ts
index 7255666ce0..578810369d 100644
--- a/src/lib/services/feature-toggle-service.ts
+++ b/src/lib/services/feature-toggle-service.ts
@@ -228,6 +228,16 @@ class FeatureToggleService {
                 'You can not change the featureName for an activation strategy.',
             );
         }
+
+        if (
+            strategy.parameters &&
+            'stickiness' in strategy.parameters &&
+            strategy.parameters.stickiness === ''
+        ) {
+            throw new InvalidOperationError(
+                'You can not have an empty string for stickiness.',
+            );
+        }
     }
 
     async validateProjectCanAccessSegments(
@@ -413,6 +423,14 @@ class FeatureToggleService {
             );
         }
 
+        if (
+            strategyConfig.parameters &&
+            'stickiness' in strategyConfig.parameters &&
+            strategyConfig.parameters.stickiness === ''
+        ) {
+            strategyConfig.parameters.stickiness = 'default';
+        }
+
         try {
             const newFeatureStrategy =
                 await this.featureStrategiesStore.createStrategyFeatureEnv({
diff --git a/src/migrations/20230420211308-update-context-fields-add-sessionId.js b/src/migrations/20230420211308-update-context-fields-add-sessionId.js
new file mode 100644
index 0000000000..4a2dc54d63
--- /dev/null
+++ b/src/migrations/20230420211308-update-context-fields-add-sessionId.js
@@ -0,0 +1,22 @@
+'use strict';
+
+exports.up = function (db, callback) {
+    db.runSql(
+        `
+            INSERT INTO context_fields(name, description, sort_order, stickiness) VALUES('sessionId', 'Allows you to constrain on sessionId', 4, true) ON CONFLICT DO NOTHING;
+
+            UPDATE context_fields
+            SET stickiness = true
+                WHERE name LIKE 'userId' AND stickiness is null;
+        `,
+        callback,
+    );
+};
+
+exports.down = function (db, callback) {
+    db.runSql(
+        `
+        `,
+        callback,
+    );
+};
diff --git a/src/test/e2e/api/admin/feature.e2e.test.ts b/src/test/e2e/api/admin/feature.e2e.test.ts
index 4583c21c91..430c526ed3 100644
--- a/src/test/e2e/api/admin/feature.e2e.test.ts
+++ b/src/test/e2e/api/admin/feature.e2e.test.ts
@@ -17,8 +17,11 @@ let app: IUnleashTest;
 let db: ITestDb;
 
 const defaultStrategy = {
-    name: 'default',
-    parameters: {},
+    name: 'flexibleRollout',
+    parameters: {
+        rollout: '100',
+        stickiness: '',
+    },
     constraints: [],
 };
 
@@ -844,3 +847,77 @@ test('Can add and remove tags at the same time', async () => {
             expect(res.body.tags).toHaveLength(1);
         });
 });
+
+test('Should return "default" for stickiness when creating a flexibleRollout strategy with "" for stickiness', async () => {
+    const username = 'toggle-feature';
+    const feature = {
+        name: 'test-featureA',
+        description: 'the #1 feature',
+    };
+    const projectId = 'default';
+
+    await app.services.featureToggleServiceV2.createFeatureToggle(
+        projectId,
+        feature,
+        username,
+    );
+    await app.services.featureToggleServiceV2.createStrategy(
+        defaultStrategy,
+        { projectId, featureName: feature.name, environment: DEFAULT_ENV },
+        username,
+    );
+
+    await app.request
+        .get(
+            `/api/admin/projects/${projectId}/features/${feature.name}/environments/${DEFAULT_ENV}`,
+        )
+        .expect((res) => {
+            const toggle = res.body;
+            expect(toggle.strategies).toHaveLength(1);
+            expect(toggle.strategies[0].parameters.stickiness).toBe('default');
+        });
+
+    await app.request
+        .get(`/api/admin/features/${feature.name}`)
+        .expect((res) => {
+            const toggle = res.body;
+            expect(toggle.strategies).toHaveLength(1);
+            expect(toggle.strategies[0].parameters.stickiness).toBe('default');
+        });
+});
+
+test('Should throw error when updating a flexibleRollout strategy with "" for stickiness', async () => {
+    const username = 'toggle-feature';
+    const feature = {
+        name: 'test-featureB',
+        description: 'the #1 feature',
+    };
+    const projectId = 'default';
+
+    await app.services.featureToggleServiceV2.createFeatureToggle(
+        projectId,
+        feature,
+        username,
+    );
+    await app.services.featureToggleServiceV2.createStrategy(
+        defaultStrategy,
+        { projectId, featureName: feature.name, environment: DEFAULT_ENV },
+        username,
+    );
+
+    const featureToggle =
+        await app.services.featureToggleServiceV2.getFeatureToggle(
+            feature.name,
+        );
+
+    await app.request
+        .patch(
+            `/api/admin/projects/${projectId}/features/${feature.name}/environments/${DEFAULT_ENV}/strategies/${featureToggle.environments[0].strategies[0].id}`,
+        )
+        .send(defaultStrategy)
+        .expect((res) => {
+            const result = res.body;
+            expect(res.status).toBe(400);
+            expect(result.error).toBe('Request validation failed');
+        });
+});
diff --git a/website/docs/reference/projects.md b/website/docs/reference/projects.md
index 645d65db3c..f439bdbf61 100644
--- a/website/docs/reference/projects.md
+++ b/website/docs/reference/projects.md
@@ -43,13 +43,15 @@ The UI shows the currently available projects. To create a new project, use the
 
 The configuration of a new Project is now available. the following input is available to create the new Project.
 
-![A project creation form. The form fields are labeled "project ID", "name", and "description". The "Create" button is highlighted.](/img/projects_save_new_project.png)
+![A project creation form. The "Create" button is highlighted.](/img/projects_save_new_project_v2.png)
 
-| Item         | Description                        |
-| ------------ | ---------------------------------- |
-| Project Id   | Id for this Project                |
-| Project name | The name of the Project.           |
-| Description  | A short description of the project |
+| Item               | Description                                                                                 |
+|--------------------|---------------------------------------------------------------------------------------------|
+| Project Id         | Id for this Project                                                                         |
+| Project name       | The name of the Project.                                                                    |
+| Description        | A short description of the project                                                          |
+| Mode               | The project [collaboration mode](/reference/project-collaboration-mode.md)                  |
+| Default Stickiness | The default stickiness for the project. This setting controls the default stickiness value for variants and for the gradual rollout strategy.                                                                 |
 
 ## Deleting an existing project {#deleting-an-existing-project}
 
diff --git a/website/static/img/projects_save_new_project.png b/website/static/img/projects_save_new_project.png
deleted file mode 100644
index dda3786d26..0000000000
Binary files a/website/static/img/projects_save_new_project.png and /dev/null differ
diff --git a/website/static/img/projects_save_new_project_v2.png b/website/static/img/projects_save_new_project_v2.png
new file mode 100644
index 0000000000..e0f099c575
Binary files /dev/null and b/website/static/img/projects_save_new_project_v2.png differ