From 705240da72dd39396007b5192866a39da4debb74 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Date: Fri, 5 Dec 2025 15:19:24 +0000
Subject: [PATCH] Prevent PurgeCSS from deleting dynamically-added version
 picker CSS classes (#2260)

---
 assets/scss/_styles_project.scss                     | 7 ++++++-
 changelogs/internal/newsfragments/2260.clarification | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 changelogs/internal/newsfragments/2260.clarification

diff --git a/assets/scss/_styles_project.scss b/assets/scss/_styles_project.scss
index ce0ce0ee..f1054945 100644
--- a/assets/scss/_styles_project.scss
+++ b/assets/scss/_styles_project.scss
@@ -51,12 +51,16 @@ Custom SCSS for the Matrix spec
     color: $black;
   }
 
-  /* Make the version dropdown scroll if its too large */
+  /* Make the version dropdown scroll if it's too large */
   ul#version-selector {
     max-height: 80vh;
     overflow-y: auto;
   }
 
+  /* As these styles are only applied by JavaScript, PurgeCSS doesn't see them
+   * in the source code and removes them unless we explicitly tell it not to.
+   */
+  /* purgecss start ignore */
   ul#version-selector li.selected a {
     font-weight: bold;
   }
@@ -64,6 +68,7 @@ Custom SCSS for the Matrix spec
   ul#version-selector li.latest a {
     color: $secondary;
   }
+  /* purgecss end ignore */
 }
 
 /* Styles for the sidebar nav */
diff --git a/changelogs/internal/newsfragments/2260.clarification b/changelogs/internal/newsfragments/2260.clarification
new file mode 100644
index 00000000..de578d64
--- /dev/null
+++ b/changelogs/internal/newsfragments/2260.clarification
@@ -0,0 +1 @@
+Add version picker in the navbar.
\ No newline at end of file