diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11792640..42e7cb40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # ImageOptimize Changelog
 
+## 4.0.9 - 2024.06.19
+### Fixed
+* Fixed an issue where `srcsetMaxWidth()` could return incorrect results ([#407](https://github.com/nystudio107/craft-imageoptimize/issues/407))
+* Fixed an issue where the data-uri for inline SVG styles were incorrect in some browsers because the spaces were not URL-encoded ([#408](https://github.com/nystudio107/craft-imageoptimize/issues/408))
+
 ## 4.0.8 - 2024.05.09
 ### Fixed
 * Fixed an issue where the `.imgTag()` and `.pictureTag()` would output and invalid `style` attribute for lazy loaded images ([#400](https://github.com/nystudio107/craft-imageoptimize/issues/400))
diff --git a/composer.json b/composer.json
index 49b81888..708627af 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "nystudio107/craft-imageoptimize",
   "description": "Automatically create & optimize responsive image transforms, using either native Craft transforms or a service like imgix, with zero template changes.",
   "type": "craft-plugin",
-  "version": "4.0.8",
+  "version": "4.0.9",
   "keywords": [
     "craft",
     "cms",
diff --git a/src/models/OptimizedImage.php b/src/models/OptimizedImage.php
index 9fe89c43..2d269e07 100644
--- a/src/models/OptimizedImage.php
+++ b/src/models/OptimizedImage.php
@@ -618,6 +618,9 @@ protected function getSrcsetSubsetArray(array $set, int $width, string $comparis
         if (empty($this->variantSourceWidths)) {
             return $subset;
         }
+        // Sort the arrays by numeric key
+        ksort($set, SORT_NUMERIC);
+        sort($this->variantSourceWidths, SORT_NUMERIC);
         foreach ($this->variantSourceWidths as $variantSourceWidth) {
             $match = false;
             switch ($comparison) {
diff --git a/src/services/OptimizedImages.php b/src/services/OptimizedImages.php
index 316fbe95..b442cc67 100644
--- a/src/services/OptimizedImages.php
+++ b/src/services/OptimizedImages.php
@@ -422,8 +422,6 @@ public function encodeOptimizedSVGDataUri(string $uri): string
         $replacements = [
             // remove newlines
             '/%0A/' => '',
-            // put spaces back in
-            '/%20/' => ' ',
             // put equals signs back in
             '/%3D/' => '=',
             // put colons back in