diff --git a/features.md b/features.md
index bff36b4..2d47915 100644
--- a/features.md
+++ b/features.md
@@ -74,6 +74,10 @@ Are existing photo directory structures preserved and browsable?
 
 Can albums be created and organized?
 
+## Nested Albums
+
+Can albums be nested within other albums for better organization?
+
 ## Slideshow
 
 Is it possible to view photos in an automated slideshow?
diff --git a/projects.json b/projects.json
index 3e35191..6c46cfb 100644
--- a/projects.json
+++ b/projects.json
@@ -21,6 +21,7 @@
       "discovery": "2",
       "existing_folders": "x",
       "albums": "8",
+      "nested_albums": "8",
       "slideshow": "x",
       "timeline": "3",
       "sharing": "7",
@@ -235,6 +236,8 @@
       "existing_folders": "x",
       "existing_folders_url": "https://github.com/LycheeOrg/Lychee/issues/1096",
       "albums": "8",
+      "nested_albums": "9",
+      "nested_albums_url": "https://github.com/LycheeOrg/Lychee/blob/master/docs/specs/4-architecture/album-tree-structure.md",
       "slideshow": "4",
       "slideshow_url": "https://github.com/LycheeOrg/Lychee/pull/1819",
       "timeline": "4",
@@ -428,6 +431,7 @@
       "discovery": "x",
       "existing_folders": "5",
       "albums": "6",
+      "nested_albums": "6",
       "slideshow": "7",
       "timeline": "5",
       "sharing": "7",
@@ -545,6 +549,7 @@
       "existing_folders": "7",
       "existing_folders_url": "https://github.com/Piwigo/Piwigo/issues/960",
       "albums": "8",
+      "nested_albums": "8",
       "slideshow": "5",
       "timeline": "3",
       "sharing": "5",
@@ -686,6 +691,10 @@
       "name": "Albums",
       "link": "features.md#albums"
     },
+    {
+      "name": "Nested Albums",
+      "link": "features.md#nested-albums"
+    },
     {
       "name": "Slideshow",
       "link": "features.md#slideshow"
diff --git a/readme.md b/readme.md
index 94a8aa0..357f90a 100644
--- a/readme.md
+++ b/readme.md
@@ -36,6 +36,7 @@ Tip: Hover over emoji for additional information (🔗 link to related issue, 
 | [Discovery](features.md#discovery) | ✅2️⃣ | ❌ | ✅6️⃣ | ❌ | ✅6️⃣ | ✅7️⃣ | ✅6️⃣ | ✅6️⃣ | ✅7️⃣ | ❌ | ❌ | ❌ | ✅6️⃣ | ❌ | ✅1️⃣ | ❌ |
 | [Existing Folders](features.md#existing-folders) | ❌ | ✅7️⃣ | ✅6️⃣ | ❌ | [✅7️⃣](https://immich.app/docs/features/libraries#external-libraries) | ✅4️⃣ | [❌](https://github.com/LycheeOrg/Lychee/issues/1096) | ✅7️⃣ | ✅9️⃣ | [❌](https://github.com/photonixapp/photonix/issues/411) | [✅4️⃣](https://github.com/SmilyOrg/photofield/issues/45) | ✅5️⃣ | ✅9️⃣ | ✅5️⃣ | [✅7️⃣](https://github.com/Piwigo/Piwigo/issues/960) | ❌ |
 | [Albums](features.md#albums) | ✅8️⃣ | [❌](https://github.com/Webreaper/Damselfly/issues/238) | ✅9️⃣ | ❌ | ✅8️⃣ | ✅9️⃣ | ✅8️⃣ | ✅4️⃣ | ✅8️⃣ | ✅5️⃣ | ❌ | ✅6️⃣ | ✅8️⃣ | ✅6️⃣ | ✅8️⃣ | ✅5️⃣ |
+| [Nested Albums](features.md#nested-albums) | ✅8️⃣ | ❌ | ❌ | ❌ | ❌ | ❌ | [✅9️⃣](https://github.com/LycheeOrg/Lychee/blob/master/docs/specs/4-architecture/album-tree-structure.md) | ❌ | ❌ | ❌ | ❌ | ✅6️⃣ | ❌ | ❌ | ✅8️⃣ | ❌ |
 | [Slideshow](features.md#slideshow) | ❌ | ✅4️⃣ | ✅3️⃣ | ❌ | ✅5️⃣ | ❌ | [✅4️⃣](https://github.com/LycheeOrg/Lychee/pull/1819) | ✅5️⃣ | ✅5️⃣ | [❌](https://github.com/photonixapp/photonix/issues/427) | ✅6️⃣ | ✅7️⃣ | ✅6️⃣ | [❌](https://github.com/photoview/photoview/issues/51) | ✅5️⃣ | ❌ |
 | [Timeline](features.md#timeline) | ✅3️⃣ | ✅5️⃣ | ✅8️⃣ | ✅3️⃣ | ✅8️⃣ | ✅9️⃣ | ✅4️⃣ | ✅4️⃣ | ✅9️⃣ | ✅5️⃣ | ✅6️⃣ | ✅5️⃣ | ✅5️⃣ | ✅9️⃣ | ✅3️⃣ | ✅5️⃣ |
 | [Sharing](features.md#sharing) | ✅7️⃣ | ❌ | ✅8️⃣ | ❌ | ✅7️⃣ | ✅9️⃣ | ✅9️⃣ | ✅8️⃣ | ✅9️⃣ | ❌ | ❌ | ✅7️⃣ | ✅7️⃣ | ✅8️⃣ | ✅5️⃣ | ✅5️⃣ |