diff --git a/content/docs/eternalcore/v2-changelog.mdx b/content/docs/eternalcore/v2-changelog.mdx
new file mode 100644
index 00000000..bccfe5cd
--- /dev/null
+++ b/content/docs/eternalcore/v2-changelog.mdx
@@ -0,0 +1,137 @@
+---
+title: EternalCore 2.0 – Changelog
+description: All major changes introduced in EternalCore 2.0.
+icon: History
+---
+
+![EternalCore](https://github.com/EternalCodeTeam/EternalCore/raw/master/assets/readme-banner.png?raw=true")
+
+# ⭐ EternalCore 2.0 – What’s New
+
+A big update with smoother UX, cleaner config structure, better performance and a bunch of new commands.
+Below is a clear overview of what changed - with visual previews where it makes sense.
+
+---
+
+# ✨ Improvements & New Features
+
+## Documentation & General Improvements
+- All libraries updated to their latest versions.
+- Full support confirmed for **Minecraft 1.20.10**.
+- Documentation redesigned to be easier to browse.
+- Placeholders and permissions now have their own dedicated pages:
+
+**Placeholders**
+[View Documentation](https://www.eternalcode.pl/docs/eternalcore/placeholders)
+![Placeholder Docs](https://i.imgur.com/re427QH.gif)
+
+**Permissions**
+[View Documentation](https://www.eternalcode.pl/docs/eternalcore/permissions)
+![Permission Docs](https://i.imgur.com/Ytcit3m.gif)
+
+---
+
+## AdminChat
+Direct channel mode is now supported.
+Enable it with `/adminchat`, or use `/adminchat <message>` for one-off messages.
+
+![AdminChat](https://i.imgur.com/4BfukrI.gif)
+
+---
+
+## Vanish System
+A new vanish feature with a lot of customization options.
+- silent join
+- godmode
+- night vision
+- silent inventory access
+- glow color
+- block item drop / pickup
+- block hunger loss
+- block chat
+- block block-placing
+
+![Vanish](https://i.imgur.com/FtqkewQ.gif)
+
+---
+
+## MOTD
+Cleaner and easier to configure.
+Default layout looks much nicer out of the box.
+
+![MOTD](https://i.imgur.com/mk1RLys.gif)
+
+---
+
+## Playtime Command
+We added `/playtime` to check a player’s total time played.
+
+![Playtime](https://i.imgur.com/aajE6j1.gif)
+
+---
+
+# 🔥 Fun Commands
+
+Below are the new player-interaction and visual-effect commands.
+Each one has a short demo:
+
+<details>
+  <summary><strong>/elderguardian &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/qA2FRzz.gif" alt="/elderguardian command demo" />
+</details>
+
+<details>
+  <summary><strong>/demoscreen &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/Zt1nR0N.gif" alt="/demoscreen command demo" />
+</details>
+
+<details>
+  <summary><strong>/lightning &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/rPjOjhM.gif" alt="/lightning command demo" />
+</details>
+
+<details>
+  <summary><strong>/burn &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/CDBe5rd.gif" alt="/burn command demo" />
+</details>
+
+<details>
+  <summary><strong>/fireball &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/zemgsLZ.gif" alt="/fireball command demo" />
+</details>
+
+<details>
+  <summary><strong>/endscreen &lt;player&gt;</strong></summary>
+  <img src="https://i.imgur.com/ja1G1x3.gif" alt="/endscreen command demo" />
+</details>
+
+---
+
+# 🧩 Other Notable Changes
+
+- Added **Custom Commands** (`/help`, `/discord`, `/store`, `/vote`, `/rules`, `/map`) - fully configurable in `custom-commands.yml`.
+- Added **Folia support**.
+- `/heal` now restores oxygen and supports custom health values.
+- Added an option to clear *only negative* potion effects via `/heal`.
+- Added full **PostgreSQL** support.
+- Added a teleport timer to `/back`.
+- Added "teleport here all" and "teleport here ask" functionality.
+- Full internal **database layer refactor**.
+- `/tprp` can now be limited with `minY` and `maxY` in `config.yml`.
+- Default repair time increased to **1 minute 30 seconds**.
+- All configuration sections moved into separate classes for clarity.
+- Removed the **catboy** config (was unused).
+- Removed the old Tellraw queue system - replaced by a cleaner and more reliable solution.
+- A lot of internal code changes for better readability and maintainability in future.
+
+---
+
+# 🐛 Fixes
+
+- Missing permissions for gamemode shortcuts (`/gmc`, `/gms`, `/gmsp`) fixed.
+- Duplicate message in `/enchant` resolved.
+- `/tprp` no longer teleports you to the same player twice.
+- Corrected permission for `homeadmin` → `eternalcore.home.admin`.
+- Fixed GitHub API rate-limit warning in the update notifier.
+
+---
diff --git a/lib/sidebar-structure.ts b/lib/sidebar-structure.ts
index 1b33814a..72106ebe 100644
--- a/lib/sidebar-structure.ts
+++ b/lib/sidebar-structure.ts
@@ -116,6 +116,7 @@ export const docsStructure: DocItem[] = [
       },
       { title: "FAQ", path: "/docs/eternalcore/faq", icon: "HelpCircle" },
       { title: "Developer API", path: "/docs/eternalcore/using-api", icon: "Code" },
+      { title: "2.0 Changelog", path: "/docs/eternalcore/v2-changelog", icon: "History" },
     ],
   },
   {