docs: Update CHANGELOG

CHANGELOG.md

@@ -19,6 +19,8 @@ You can also check the
   - Preview mode now takes the real size of the breakpoint, making the area
     horizontally scrollable in case the screen size is smaller than the
     breakpoint
+  - It's now possible to simultaneously select browse filters from every panel
+    (themes, organizations, concepts)
 - Fixes
   - Interactive filters in the published mode and now only showing combinations
     of filters that are actually present in the data, taking configurator
@@ -27,6 +29,8 @@ You can also check the
   - Compact table view margins were improved so rows do not overlap
   - Chart title and dataset tooltips in the user profile now only shows when the
     title is truncated
+  - Concepts navigation on the browse page now shows the correct number of
+    results
 
 # [4.8.0] - 2024-09-11