diff --git a/composer.lock b/composer.lock
index f29ecfabc..02bb5624b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3145,16 +3145,16 @@
         },
         {
             "name": "symfony/mailer",
-            "version": "v6.4.18",
+            "version": "v6.4.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mailer.git",
-                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11"
+                "reference": "ada2809ccd4ec27aba9fc344e3efdaec624c6438"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mailer/zipball/e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
-                "reference": "e93a6ae2767d7f7578c2b7961d9d8e27580b2b11",
+                "url": "https://api.github.com/repos/symfony/mailer/zipball/ada2809ccd4ec27aba9fc344e3efdaec624c6438",
+                "reference": "ada2809ccd4ec27aba9fc344e3efdaec624c6438",
                 "shasum": ""
             },
             "require": {
@@ -3205,7 +3205,7 @@
             "description": "Helps sending emails",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/mailer/tree/v6.4.18"
+                "source": "https://github.com/symfony/mailer/tree/v6.4.21"
             },
             "funding": [
                 {
@@ -3221,20 +3221,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-24T15:27:15+00:00"
+            "time": "2025-04-26T23:47:35+00:00"
         },
         {
             "name": "symfony/mime",
-            "version": "v6.4.19",
+            "version": "v6.4.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mime.git",
-                "reference": "ac537b6c55ccc2c749f3c979edfa9ec14aaed4f3"
+                "reference": "fec8aa5231f3904754955fad33c2db50594d22d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mime/zipball/ac537b6c55ccc2c749f3c979edfa9ec14aaed4f3",
-                "reference": "ac537b6c55ccc2c749f3c979edfa9ec14aaed4f3",
+                "url": "https://api.github.com/repos/symfony/mime/zipball/fec8aa5231f3904754955fad33c2db50594d22d1",
+                "reference": "fec8aa5231f3904754955fad33c2db50594d22d1",
                 "shasum": ""
             },
             "require": {
@@ -3290,7 +3290,7 @@
                 "mime-type"
             ],
             "support": {
-                "source": "https://github.com/symfony/mime/tree/v6.4.19"
+                "source": "https://github.com/symfony/mime/tree/v6.4.21"
             },
             "funding": [
                 {
@@ -3306,7 +3306,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-17T21:23:52+00:00"
+            "time": "2025-04-27T13:27:38+00:00"
         },
         {
             "name": "symfony/polyfill",
@@ -3648,16 +3648,16 @@
     "packages-dev": [
         {
             "name": "symfony/var-dumper",
-            "version": "v6.4.18",
+            "version": "v6.4.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "4ad10cf8b020e77ba665305bb7804389884b4837"
+                "reference": "22560f80c0c5cd58cc0bcaf73455ffd81eb380d5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/4ad10cf8b020e77ba665305bb7804389884b4837",
-                "reference": "4ad10cf8b020e77ba665305bb7804389884b4837",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/22560f80c0c5cd58cc0bcaf73455ffd81eb380d5",
+                "reference": "22560f80c0c5cd58cc0bcaf73455ffd81eb380d5",
                 "shasum": ""
             },
             "require": {
@@ -3713,7 +3713,7 @@
                 "dump"
             ],
             "support": {
-                "source": "https://github.com/symfony/var-dumper/tree/v6.4.18"
+                "source": "https://github.com/symfony/var-dumper/tree/v6.4.21"
             },
             "funding": [
                 {
@@ -3729,7 +3729,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-17T11:26:11+00:00"
+            "time": "2025-04-09T07:34:50+00:00"
         }
     ],
     "aliases": [],
@@ -3743,6 +3743,6 @@
     "platform": {
         "php": ">=8.1"
     },
-    "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
 }
diff --git a/library/attach_mod/displaying_torrent.php b/library/attach_mod/displaying_torrent.php
index a8dda29f1..84e9fa359 100644
--- a/library/attach_mod/displaying_torrent.php
+++ b/library/attach_mod/displaying_torrent.php
@@ -301,7 +301,7 @@ if ($tor_reged && $tor_info) {
             $sql = "SELECT
 					tr.user_id, tr.ip, tr.ipv6, tr.port, tr.peer_id, tr.uploaded, tr.downloaded, tr.remain,
 					tr.seeder, tr.releaser, tr.speed_up, tr.speed_down, tr.update_time,
-					tr.complete_percent, u.username, u.user_rank
+					tr.complete_percent, u.username, u.user_rank, u.user_opt
 				FROM " . BB_BT_TRACKER . " tr
 				LEFT JOIN " . BB_USERS . " u ON u.user_id = tr.user_id
 				WHERE tr.topic_id = $tor_id
@@ -455,10 +455,17 @@ if ($tor_reged && $tor_info) {
                     $row_bgr = ($change_peers_bgr_over) ? " class=\"$bgr_class\" onmouseover=\"this.className='$bgr_class_over';\" onmouseout=\"this.className='$bgr_class';\"" : '';
                     $tr[$x]++;
 
+                    $peerTorrentClient = $lang['UNKNOWN'];
+                    if (IS_AM || $peer['user_id'] == $userdata['user_id'] || !bf($peer['user_opt'], 'user_opt', 'user_hide_torrent_client')) {
+                        if (isset($peer['peer_id'])) {
+                            $peerTorrentClient = get_user_torrent_client($peer['peer_id']);
+                        }
+                    }
+
                     $template->assign_block_vars("$x_full.$x_row", [
                         'ROW_BGR' => $row_bgr,
                         'NAME' => ($peer['update_time']) ? $name : "<s>$name</s>",
-                        'PEER_ID' => isset($peer['peer_id']) ? get_user_torrent_client($peer['peer_id']) : $lang['UNKNOWN'],
+                        'PEER_ID' => $peerTorrentClient,
                         'COUNTRY' => render_flag(infoByIP((!empty($peer['ipv6']) ? $peer['ipv6'] : $peer['ip']), $peer['port'])['countryCode'], false),
                         'COMPL_PRC' => $compl_perc,
                         'UP_TOTAL' => ($max_up_id[$x] == $pid) ? "<b>$up_tot</b>" : $up_tot,
diff --git a/library/includes/functions.php b/library/includes/functions.php
index 850a344ef..a383c00d3 100644
--- a/library/includes/functions.php
+++ b/library/includes/functions.php
@@ -197,6 +197,7 @@ $bf['user_opt'] = [
     'dis_post_edit' => 13, // [PROHIBITIONS] Block editing own posts / topics
     'user_dls' => 14, // [SETTINGS] Hide list of "Current downloads" in my profile
     'user_retracker' => 15, // [SETTINGS] Add my retracker into downloaded torrent files
+    'user_hide_torrent_client' => 16 // [SETTINGS] Option to hide user's torrent client in peer list
 ];
 
 function bit2dec($bit_num)
diff --git a/library/includes/ucp/register.php b/library/includes/ucp/register.php
index 25acbfc0a..6abf55c1e 100644
--- a/library/includes/ucp/register.php
+++ b/library/includes/ucp/register.php
@@ -365,6 +365,7 @@ foreach ($profile_fields as $field => $can_edit) {
                 'user_dls' => $reg_mode ? false : true,
                 'user_callseed' => $reg_mode ? true : true,
                 'user_retracker' => $reg_mode ? true : true,
+                'user_hide_torrent_client' => $reg_mode ? true : true,
             ];
 
             foreach ($update_user_opt as $opt => $can_change_opt) {
diff --git a/library/language/source/main.php b/library/language/source/main.php
index 65fd05fd1..c8ee2c495 100644
--- a/library/language/source/main.php
+++ b/library/language/source/main.php
@@ -1879,6 +1879,7 @@ $lang['DL_ULR'] = 'ULR';
 $lang['DL_STOPPED'] = 'stopped';
 $lang['DL_UPD'] = 'upd: ';
 $lang['DL_INFO'] = 'shows data <i><b>only for the current session</b></i>';
+$lang['HIDE_PEER_TORRENT_CLIENT'] = 'Hide my BitTorrent client name in peer list';
 
 // Post PIN
 $lang['POST_PIN'] = 'Pin first post';
diff --git a/styles/templates/default/usercp_register.tpl b/styles/templates/default/usercp_register.tpl
index a19d17371..9f3016280 100644
--- a/styles/templates/default/usercp_register.tpl
+++ b/styles/templates/default/usercp_register.tpl
@@ -319,6 +319,13 @@
                 <label><input type="radio" name="user_callseed" value="0" <!-- IF not USER_CALLSEED -->checked<!-- ENDIF --> />{L_NO}</label>
             </td>
         </tr>
+        <tr>
+            <td class="prof-title">{L_HIDE_PEER_TORRENT_CLIENT}:</td>
+            <td>
+                <label><input type="radio" name="user_hide_torrent_client" value="1" <!-- IF USER_HIDE_TORRENT_CLIENT -->checked<!-- ENDIF --> />{L_YES}</label>&nbsp;&nbsp;
+                <label><input type="radio" name="user_hide_torrent_client" value="0" <!-- IF not USER_HIDE_TORRENT_CLIENT -->checked<!-- ENDIF --> />{L_NO}</label>
+            </td>
+        </tr>
         <tr>
             <th colspan="2">{L_AVATAR_PANEL}</th>
         </tr>