diff --git a/autobuild.xml b/autobuild.xml
index 9945672bd2..1366b20e83 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -441,6 +441,64 @@
         <key>description</key>
         <string>Spell checking dictionaries to bundled into the viewer</string>
       </map>
+      <key>discord_sdk</key>
+      <map>
+        <key>platforms</key>
+        <map>
+          <key>darwin64</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>creds</key>
+              <string>github</string>
+              <key>hash</key>
+              <string>dc21df8b051c425163acf3eff8f06e32f407c9e0</string>
+              <key>hash_algorithm</key>
+              <string>sha1</string>
+              <key>url</key>
+              <string>https://api.github.com/repos/secondlife/3p-discord-sdk/releases/assets/279333706</string>
+            </map>
+            <key>name</key>
+            <string>darwin64</string>
+          </map>
+          <key>windows64</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>creds</key>
+              <string>github</string>
+              <key>hash</key>
+              <string>e11571bf76b27d15c244069988ae372eaa5afae9</string>
+              <key>hash_algorithm</key>
+              <string>sha1</string>
+              <key>url</key>
+              <string>https://api.github.com/repos/secondlife/3p-discord-sdk/releases/assets/279333720</string>
+            </map>
+            <key>name</key>
+            <string>windows64</string>
+          </map>
+        </map>
+        <key>license</key>
+        <string>discord_sdk</string>
+        <key>license_file</key>
+        <string>LICENSES/discord_sdk.txt</string>
+        <key>copyright</key>
+        <string>Discord Inc.</string>
+        <key>version</key>
+        <string>1.4.9649.16733550144</string>
+        <key>name</key>
+        <string>discord_sdk</string>
+        <key>vcs_branch</key>
+        <string>main</string>
+        <key>vcs_revision</key>
+        <string>ef5c7c4a490ceac2df2b2f046788b1daf1bbb392</string>
+        <key>vcs_url</key>
+        <string>https://github.com/secondlife/3p-discord-sdk</string>
+        <key>canonical_repo</key>
+        <string>https://github.com/secondlife/3p-discord-sdk</string>
+        <key>description</key>
+        <string>Discord Social SDK</string>
+      </map>
       <key>dullahan</key>
       <map>
         <key>platforms</key>
@@ -450,11 +508,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>126e0fa4c16dfd433c9fb7d1d242da98f213d933</string>
+              <string>106186b48affcf66b3649d6823cb8197a42dd888</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/dullahan/releases/download/v1.24.0-CEF_139.0.40/dullahan-1.24.0.202510081737_139.0.40_g465474a_chromium-139.0.7258.139-darwin64-18353103947.tar.zst</string>
+              <string>https://github.com/secondlife/dullahan/releases/download/v1.28.0-CEF_146.0.10/dullahan-1.28.0.202604141718_146.0.10_g8219561_chromium-146.0.7680.179-darwin64-24412863301.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -478,11 +536,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>20de62c9e57d9e6539c1e2437ec4b46c3ca237bc</string>
+              <string>c794ae2fda70fa59f2fc4e17bb40e3deb88262d5</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/dullahan/releases/download/v1.24.0-CEF_139.0.40/dullahan-1.24.0.202510081738_139.0.40_g465474a_chromium-139.0.7258.139-windows64-18353103947.tar.zst</string>
+              <string>https://github.com/secondlife/dullahan/releases/download/v1.28.0-CEF_146.0.10/dullahan-1.28.0.202604141718_146.0.10_g8219561_chromium-146.0.7680.179-windows64-24412863301.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
@@ -495,7 +553,7 @@
         <key>copyright</key>
         <string>Copyright (c) 2017, Linden Research, Inc.</string>
         <key>version</key>
-        <string>1.24.0.202510081737_139.0.40_g465474a_chromium-139.0.7258.139</string>
+        <string>1.28.0.202604141718_146.0.10_g8219561_chromium-146.0.7680.179</string>
         <key>name</key>
         <string>dullahan</string>
         <key>description</key>
@@ -967,69 +1025,89 @@
         <key>name</key>
         <string>jpegencoderbasic</string>
       </map>
-      <key>libjpeg-turbo</key>
+      <key>kdu</key>
       <map>
         <key>platforms</key>
         <map>
-          <key>windows64</key>
+          <key>darwin64</key>
           <map>
             <key>archive</key>
             <map>
+              <key>creds</key>
+              <string>github</string>
               <key>hash</key>
-              <string>10f14875ce5c7f5028217c8b7468733190fd333d</string>
+              <string>da318f0813e4126d90e35b22a8dce235e908707a</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-windows64-11968659895.tar.zst</string>
+              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381808</string>
             </map>
             <key>name</key>
-            <string>windows64</string>
+            <string>darwin64</string>
+          </map>
+          <key>linux</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>creds</key>
+              <string>github</string>
+              <key>hash</key>
+              <string>85e294becce8b2ac5d2e5e052b0e21ff865d1108</string>
+              <key>hash_algorithm</key>
+              <string>sha1</string>
+              <key>url</key>
+              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381806</string>
+            </map>
+            <key>name</key>
+            <string>linux</string>
           </map>
           <key>linux64</key>
           <map>
             <key>archive</key>
             <map>
+              <key>creds</key>
+              <string>github</string>
               <key>hash</key>
-              <string>d3b1b0fde28c8cf0c33fed167dba87bba5c6cc64</string>
+              <string>1ba58cf884726dfdf02a7662d52f1befe3f16d44</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-linux64-11968659895.tar.zst</string>
+              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381812</string>
             </map>
             <key>name</key>
             <string>linux64</string>
           </map>
-          <key>darwin64</key>
+          <key>windows64</key>
           <map>
             <key>archive</key>
             <map>
+              <key>creds</key>
+              <string>github</string>
               <key>hash</key>
-              <string>79e78cbaaec9a99c0ae4a5cdd4a98535c8fa3c6d</string>
+              <string>e8d693089b9ecd15b6644f13ada7ae7c317944df</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-darwin64-11968659895.tar.zst</string>
+              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381814</string>
             </map>
             <key>name</key>
-            <string>darwin64</string>
+            <string>windows64</string>
           </map>
         </map>
         <key>license</key>
-        <string>libjpeg-turbo</string>
+        <string>Kakadu</string>
         <key>license_file</key>
-        <string>LICENSES/libjpeg-turbo.txt</string>
+        <string>LICENSES/kdu.txt</string>
         <key>copyright</key>
-        <string>Copyright (C)2009-2024 D. R. Commander. All Rights Reserved. Copyright (C)2015 Viktor Szathmáry. All Rights Reserved.</string>
+        <string>Kakadu software</string>
         <key>version</key>
-        <string>3.0.4-r1</string>
+        <string>8.4.1.11976899217</string>
         <key>name</key>
-        <string>libjpeg-turbo</string>
-        <key>canonical_repo</key>
-        <string>https://github.com/secondlife/3p-libjpeg-turbo</string>
+        <string>kdu</string>
         <key>description</key>
-        <string>JPEG encoding, decoding library</string>
+        <string>JPEG2000 library by Kakadu</string>
       </map>
-      <key>kdu</key>
+      <key>libhunspell</key>
       <map>
         <key>platforms</key>
         <map>
@@ -1037,14 +1115,12 @@
           <map>
             <key>archive</key>
             <map>
-              <key>creds</key>
-              <string>github</string>
               <key>hash</key>
-              <string>da318f0813e4126d90e35b22a8dce235e908707a</string>
+              <string>91acd05f450162b07ca2f68094778c483d28128d</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381808</string>
+              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-darwin64-11968900321.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -1053,14 +1129,12 @@
           <map>
             <key>archive</key>
             <map>
-              <key>creds</key>
-              <string>github</string>
               <key>hash</key>
-              <string>1ba58cf884726dfdf02a7662d52f1befe3f16d44</string>
+              <string>10e5b5d793c3c5cb5335dea89734302bda5a9f59</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381812</string>
+              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-linux64-11968900321.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -1069,49 +1143,31 @@
           <map>
             <key>archive</key>
             <map>
-              <key>creds</key>
-              <string>github</string>
               <key>hash</key>
-              <string>e8d693089b9ecd15b6644f13ada7ae7c317944df</string>
+              <string>0f7b9c46dc4e81a6296e4836467f5fe52aa5761d</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381814</string>
+              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-windows64-11968900321.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
-          <key>linux</key>
-          <map>
-            <key>archive</key>
-            <map>
-              <key>creds</key>
-              <string>github</string>
-              <key>hash</key>
-              <string>85e294becce8b2ac5d2e5e052b0e21ff865d1108</string>
-              <key>hash_algorithm</key>
-              <string>sha1</string>
-              <key>url</key>
-              <string>https://api.github.com/repos/secondlife/3p-kdu/releases/assets/208381806</string>
-            </map>
-            <key>name</key>
-            <string>linux</string>
-          </map>
         </map>
         <key>license</key>
-        <string>Kakadu</string>
+        <string>LGPL</string>
         <key>license_file</key>
-        <string>LICENSES/kdu.txt</string>
+        <string>LICENSES/hunspell.txt</string>
         <key>copyright</key>
-        <string>Kakadu software</string>
+        <string>LGPL 2.1</string>
         <key>version</key>
-        <string>8.4.1.11976899217</string>
+        <string>1.7.2.11968900321</string>
         <key>name</key>
-        <string>kdu</string>
+        <string>libhunspell</string>
         <key>description</key>
-        <string>JPEG2000 library by Kakadu</string>
+        <string>Spell checking library</string>
       </map>
-      <key>libhunspell</key>
+      <key>libjpeg-turbo</key>
       <map>
         <key>platforms</key>
         <map>
@@ -1120,11 +1176,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>91acd05f450162b07ca2f68094778c483d28128d</string>
+              <string>79e78cbaaec9a99c0ae4a5cdd4a98535c8fa3c6d</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-darwin64-11968900321.tar.zst</string>
+              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-darwin64-11968659895.tar.zst</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -1134,11 +1190,11 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>10e5b5d793c3c5cb5335dea89734302bda5a9f59</string>
+              <string>d3b1b0fde28c8cf0c33fed167dba87bba5c6cc64</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-linux64-11968900321.tar.zst</string>
+              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-linux64-11968659895.tar.zst</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -1148,28 +1204,30 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>0f7b9c46dc4e81a6296e4836467f5fe52aa5761d</string>
+              <string>10f14875ce5c7f5028217c8b7468733190fd333d</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-libhunspell/releases/download/v1.7.2-r2/libhunspell-1.7.2.11968900321-windows64-11968900321.tar.zst</string>
+              <string>https://github.com/secondlife/3p-libjpeg-turbo/releases/download/v3.0.4-r1/libjpeg_turbo-3.0.4-r1-windows64-11968659895.tar.zst</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
         <key>license</key>
-        <string>LGPL</string>
+        <string>libjpeg-turbo</string>
         <key>license_file</key>
-        <string>LICENSES/hunspell.txt</string>
+        <string>LICENSES/libjpeg-turbo.txt</string>
         <key>copyright</key>
-        <string>LGPL 2.1</string>
+        <string>Copyright (C)2009-2024 D. R. Commander. All Rights Reserved. Copyright (C)2015 Viktor Szathmáry. All Rights Reserved.</string>
         <key>version</key>
-        <string>1.7.2.11968900321</string>
+        <string>3.0.4-r1</string>
         <key>name</key>
-        <string>libhunspell</string>
+        <string>libjpeg-turbo</string>
+        <key>canonical_repo</key>
+        <string>https://github.com/secondlife/3p-libjpeg-turbo</string>
         <key>description</key>
-        <string>Spell checking library</string>
+        <string>JPEG encoding, decoding library</string>
       </map>
       <key>libndofdev</key>
       <map>
@@ -2134,19 +2192,19 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
       <map>
         <key>platforms</key>
         <map>
-          <key>windows64</key>
+          <key>darwin64</key>
           <map>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>3cccc3e3f3137066c286270b35abc00ee0c0bb0c</string>
+              <string>a9bfabec63a987bd34bcfdc295b928bd0696e1d7</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-openxr/releases/download/v1.1.40-r1/openxr-1.1.40-r1-windows64-10710818432.tar.zst</string>
+              <string>https://github.com/secondlife/3p-openxr/releases/download/v1.1.40-r1/openxr-1.1.40-r1-darwin64-10710818432.tar.zst</string>
             </map>
             <key>name</key>
-            <string>windows64</string>
+            <string>darwin64</string>
           </map>
           <key>linux64</key>
           <map>
@@ -2162,19 +2220,19 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>name</key>
             <string>linux64</string>
           </map>
-          <key>darwin64</key>
+          <key>windows64</key>
           <map>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>a9bfabec63a987bd34bcfdc295b928bd0696e1d7</string>
+              <string>3cccc3e3f3137066c286270b35abc00ee0c0bb0c</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-openxr/releases/download/v1.1.40-r1/openxr-1.1.40-r1-darwin64-10710818432.tar.zst</string>
+              <string>https://github.com/secondlife/3p-openxr/releases/download/v1.1.40-r1/openxr-1.1.40-r1-windows64-10710818432.tar.zst</string>
             </map>
             <key>name</key>
-            <string>darwin64</string>
+            <string>windows64</string>
           </map>
         </map>
         <key>license</key>
@@ -2314,6 +2372,46 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
         <key>name</key>
         <string>threejs</string>
       </map>
+      <key>tinyexr</key>
+      <map>
+        <key>platforms</key>
+        <map>
+          <key>common</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>hash</key>
+              <string>a9649f85e20c0b83acfd7b02ca19c1dcdd15f01e</string>
+              <key>hash_algorithm</key>
+              <string>sha1</string>
+              <key>url</key>
+              <string>https://github.com/secondlife/3p-tinyexr/releases/download/v1.0.9-5e8947c/tinyexr-1.0.9-5e8947c-common-10475846787.tar.zst</string>
+            </map>
+            <key>name</key>
+            <string>common</string>
+          </map>
+        </map>
+        <key>license</key>
+        <string>3-clause BSD</string>
+        <key>license_file</key>
+        <string>LICENSES/tinyexr_license.txt</string>
+        <key>copyright</key>
+        <string>Copyright (c) 2014 - 2021, Syoyo Fujita and many contributors.</string>
+        <key>version</key>
+        <string>1.0.9-5e8947c</string>
+        <key>name</key>
+        <string>tinyexr</string>
+        <key>vcs_branch</key>
+        <string>dependabot/github_actions/secondlife/action-autobuild-4</string>
+        <key>vcs_revision</key>
+        <string>4dc4d1d90d82a22843e2adf5130f9ecb5ee5769e</string>
+        <key>vcs_url</key>
+        <string>https://github.com/secondlife/3p-tinyexr</string>
+        <key>description</key>
+        <string>tinyexr import library</string>
+        <key>source_type</key>
+        <string>git</string>
+      </map>
       <key>tinygltf</key>
       <map>
         <key>platforms</key>
@@ -2370,33 +2468,33 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>name</key>
             <string>darwin64</string>
           </map>
-          <key>windows64</key>
+          <key>linux64</key>
           <map>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>b46cef5646a8d0471ab6256fe5119220fa238772</string>
+              <string>beab04c9ea6036b1851a485b65c66cf6a38f0be4</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-tracy/releases/download/v0.11.1-r1/tracy-v0.11.1.11706699176-windows64-11706699176.tar.zst</string>
+              <string>https://github.com/secondlife/3p-tracy/releases/download/v0.11.1-r1/tracy-v0.11.1.11706699176-linux64-11706699176.tar.zst</string>
             </map>
             <key>name</key>
-            <string>windows64</string>
+            <string>linux64</string>
           </map>
-          <key>linux64</key>
+          <key>windows64</key>
           <map>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>beab04c9ea6036b1851a485b65c66cf6a38f0be4</string>
+              <string>b46cef5646a8d0471ab6256fe5119220fa238772</string>
               <key>hash_algorithm</key>
               <string>sha1</string>
               <key>url</key>
-              <string>https://github.com/secondlife/3p-tracy/releases/download/v0.11.1-r1/tracy-v0.11.1.11706699176-linux64-11706699176.tar.zst</string>
+              <string>https://github.com/secondlife/3p-tracy/releases/download/v0.11.1-r1/tracy-v0.11.1.11706699176-windows64-11706699176.tar.zst</string>
             </map>
             <key>name</key>
-            <string>linux64</string>
+            <string>windows64</string>
           </map>
         </map>
         <key>license</key>
@@ -2450,6 +2548,38 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
         <key>description</key>
         <string>TUT is a small and portable unit test framework for C++.</string>
       </map>
+      <key>vhacd</key>
+      <map>
+        <key>platforms</key>
+        <map>
+          <key>common</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>hash</key>
+              <string>140d8fc952a10edb5f2d72ab405336019ef32cadfa64f0cfce76c9de4bc6268cbc87cc8cd89d3417fb78b531d441701afc8d016bafe4bd275df2707f7daf1387</string>
+              <key>hash_algorithm</key>
+              <string>blake2b</string>
+              <key>url</key>
+              <string>https://github.com/AlchemyViewer/3p-vhacd/releases/download/v4.1.0-r2/vhacd-4.1.0-r2-common-18166921729.tar.zst</string>
+            </map>
+            <key>name</key>
+            <string>common</string>
+          </map>
+        </map>
+        <key>license</key>
+        <string>BSD</string>
+        <key>license_file</key>
+        <string>LICENSES/vhacd.txt</string>
+        <key>copyright</key>
+        <string>Copyright (c) 2011, Khaled Mamou</string>
+        <key>version</key>
+        <string>4.1.0-r2</string>
+        <key>name</key>
+        <string>vhacd</string>
+        <key>description</key>
+        <string>Voxelized Hierarchical Approximate Convex Decomposition</string>
+      </map>
       <key>viewer-fonts</key>
       <map>
         <key>platforms</key>