diff --git a/app/Livewire/Versions/Index.php b/app/Livewire/Versions/Index.php
index 71989c0..f645968 100644
--- a/app/Livewire/Versions/Index.php
+++ b/app/Livewire/Versions/Index.php
@@ -382,7 +382,10 @@ class Index extends Component
             if ($rel['unreleased']) {
                 $key = 'unreleased';
             } elseif (preg_match('/^v?(\d+)\.(\d+)\./', $rel['version'], $m)) {
-                $key = $m[1].'.'.$m[2];
+                // Prefix the series key with a non-numeric 'v' so the ?series= URL value is never a
+                // bare decimal — Livewire's #[Url] otherwise type-juggles "0.10" → 0.1 (the trailing
+                // zero is lost), silently switching the selected series on reload. The label strips it.
+                $key = 'v'.$m[1].'.'.$m[2];
             } else {
                 $key = 'other';
             }
@@ -397,7 +400,7 @@ class Index extends Component
                 'label' => match ($key) {
                     'unreleased' => __('versions.unreleased'),
                     'other' => __('versions.series_other'),
-                    default => $key,
+                    default => ltrim($key, 'v'), // display the dotted series (the 'v' is only for the URL)
                 },
                 'unreleased' => $key === 'unreleased',
                 'count' => count($rels),
@@ -415,7 +418,7 @@ class Index extends Component
                 return $ra <=> $rb;
             }
 
-            return $ra === 1 ? version_compare($b['key'].'.0', $a['key'].'.0') : 0;
+            return $ra === 1 ? version_compare(ltrim($b['key'], 'v').'.0', ltrim($a['key'], 'v').'.0') : 0;
         });
 
         return $series;
@@ -628,7 +631,7 @@ class Index extends Component
 
         // Mark the series that holds the running version (a small "installed" cue in the rail).
         $installed = ltrim((string) config('clusev.version'), 'vV');
-        $currentSeries = preg_match('/^(\d+)\.(\d+)\./', $installed, $m) ? $m[1].'.'.$m[2] : null;
+        $currentSeries = preg_match('/^(\d+)\.(\d+)\./', $installed, $m) ? 'v'.$m[1].'.'.$m[2] : null;
 
         // Passive (no network): cached remote result if a check has run, else local .git.
         $latestTag = $this->resolveLatestTag($this->channel());
diff --git a/tests/Feature/VersionsChangelogTest.php b/tests/Feature/VersionsChangelogTest.php
index ce8b980..36ea492 100644
--- a/tests/Feature/VersionsChangelogTest.php
+++ b/tests/Feature/VersionsChangelogTest.php
@@ -81,8 +81,8 @@ class VersionsChangelogTest extends TestCase
         // …selecting the 0.1 series brings it into view and jumps back to page 1.
         Livewire::test(Index::class)
             ->set('changelogPage', 3)
-            ->call('selectSeries', '0.1')
-            ->assertSet('series', '0.1')
+            ->call('selectSeries', 'v0.1')
+            ->assertSet('series', 'v0.1')
             ->assertSet('changelogPage', 1)
             ->assertSee('v0.1.0');
     }
@@ -90,7 +90,7 @@ class VersionsChangelogTest extends TestCase
     public function test_a_long_series_is_paginated_to_the_per_page_limit(): void
     {
         Livewire::test(Index::class)
-            ->call('selectSeries', '0.9')
+            ->call('selectSeries', 'v0.9')
             ->assertViewHas('totalPages', fn ($total): bool => $total > 1)
             ->assertViewHas('pagedReleases', fn ($releases): bool => is_array($releases) && count($releases) <= 8);
     }
@@ -100,7 +100,7 @@ class VersionsChangelogTest extends TestCase
         $pageOne = null;
 
         Livewire::test(Index::class)
-            ->call('selectSeries', '0.9')
+            ->call('selectSeries', 'v0.9')
             ->assertViewHas('pagedReleases', function ($releases) use (&$pageOne): bool {
                 $pageOne = array_column($releases, 'version');
 
@@ -108,7 +108,7 @@ class VersionsChangelogTest extends TestCase
             });
 
         Livewire::test(Index::class)
-            ->call('selectSeries', '0.9')
+            ->call('selectSeries', 'v0.9')
             ->call('gotoChangelogPage', 2)
             ->assertViewHas('pagedReleases', function ($releases) use (&$pageOne): bool {
                 $pageTwo = array_column($releases, 'version');
@@ -121,7 +121,7 @@ class VersionsChangelogTest extends TestCase
     public function test_an_out_of_range_page_is_clamped(): void
     {
         Livewire::test(Index::class)
-            ->call('selectSeries', '0.9')
+            ->call('selectSeries', 'v0.9')
             ->call('gotoChangelogPage', 9999)
             ->assertViewHas('changelogPage', fn ($page): bool => $page >= 1)
             ->assertViewHas('pagedReleases', fn ($releases): bool => is_array($releases) && count($releases) >= 1)
@@ -132,7 +132,7 @@ class VersionsChangelogTest extends TestCase
     {
         config()->set('clusev.version', '0.7.3');
 
-        Livewire::test(Index::class)->assertViewHas('currentSeries', '0.7');
+        Livewire::test(Index::class)->assertViewHas('currentSeries', 'v0.7');
     }
 
     public function test_total_release_count_is_passed_for_the_panel_subtitle(): void
@@ -143,12 +143,22 @@ class VersionsChangelogTest extends TestCase
     public function test_series_and_page_are_deep_linkable_via_the_query_string(): void
     {
         // ?series= + ?page= drive the view so a series/page is shareable and survives reload.
-        Livewire::withQueryParams(['series' => '0.9', 'page' => 2])
+        Livewire::withQueryParams(['series' => 'v0.9', 'page' => 2])
             ->test(Index::class)
-            ->assertSet('series', '0.9')
+            ->assertSet('series', 'v0.9')
             ->assertSet('changelogPage', 2);
     }
 
+    public function test_a_trailing_zero_series_like_0_10_survives_a_deep_link(): void
+    {
+        // The 'v' prefix keeps the ?series= value non-numeric, so "0.10" is NOT type-juggled to
+        // "0.1" on reload (which used to silently switch the selected series).
+        Livewire::withQueryParams(['series' => 'v0.10'])
+            ->test(Index::class)
+            ->assertSet('series', 'v0.10')
+            ->assertViewHas('activeKey', 'v0.10');
+    }
+
     public function test_chevron_right_icon_renders_a_real_path(): void
     {
         // The accordion disclosure caret and the pagination "Next" button both use x-icon