diff --git a/.gitignore b/.gitignore
index c3b2162..0fb4b4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,5 +9,4 @@ build
 node_modules
 package-lock.json
 pnpm-lock.yaml
-src/routes/.dev-tools
 test-results
\ No newline at end of file
diff --git a/package.json b/package.json
index 176744d..97dab21 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "temperature-blanket-web-app",
-  "version": "4.2.3",
+  "version": "4.3.0",
   "description": "Weather Data + Art! Web app for creating a temperature blanket",
   "main": "index.html",
   "private": true,
diff --git a/src/lib/types/page-types.d.ts b/src/lib/types/page-types.d.ts
index 3b9f139..7e00760 100644
--- a/src/lib/types/page-types.d.ts
+++ b/src/lib/types/page-types.d.ts
@@ -19,7 +19,7 @@ export interface ChangelogItem {
   /** Only necessary for new months, in the format of Month, Year. For example: August, 2024 */
   date?: string;
   notes: ChangelogItemNote[];
-  version: string;
+  version?: string;
 }
 
 export interface ChangelogItemNote {
diff --git a/src/lib/yarns/sandnes/yarns.ts b/src/lib/yarns/sandnes/yarns.ts
index 8200913..1eaf71f 100644
--- a/src/lib/yarns/sandnes/yarns.ts
+++ b/src/lib/yarns/sandnes/yarns.ts
@@ -1,9 +1,10 @@
 import type { Brand } from '$lib/types';
 import { yarn as petiteknitDoubleSunday } from './petiteknit-double-sunday/yarn';
 import { yarn as sunday } from './sunday/yarn';
+import { yarn as tynnPeerGynt } from './tynn-peer-gynt/yarn';
 
 export const brand: Brand = {
   name: 'Sandnes',
   id: 'sandnes',
-  yarns: [petiteknitDoubleSunday, sunday],
+  yarns: [petiteknitDoubleSunday, sunday, tynnPeerGynt],
 };
diff --git a/src/routes/changelog/+page.svelte b/src/routes/changelog/+page.svelte
index ec66884..7889e52 100644
--- a/src/routes/changelog/+page.svelte
+++ b/src/routes/changelog/+page.svelte
@@ -89,7 +89,7 @@ If not, see <https://www.gnu.org/licenses/>. -->
             href="{PUBLIC_GITHUB_LINK}/commits/main/"
             class="link"
             target="_blank">Visit the GitHub repository</a
-          > to see the full changelog for version 4.
+          > to see the full changelog since version 4.
         </p>
       </div>
       <div
diff --git a/src/routes/changelog/changelog.ts b/src/routes/changelog/changelog.ts
index 71e5d1b..d9ef97a 100644
--- a/src/routes/changelog/changelog.ts
+++ b/src/routes/changelog/changelog.ts
@@ -20,6 +20,16 @@ import type { ChangelogItem } from '$lib/types';
 export const entries: ChangelogItem[] = [
   {
     date: 'September, 2024',
+    notes: [
+      {
+        icon: ICONS.checkCircle,
+        text: `50 colorways`,
+        title: 'Added Yarn: Sandnes - Tynn Peer Gynt',
+      },
+    ],
+    version: '4.3.0',
+  },
+  {
     notes: [
       {
         icon: `<svg