diff --git a/CMakeModules/DownloadExternals.cmake b/CMakeModules/DownloadExternals.cmake
index e65827290d..3e9bc26d69 100644
--- a/CMakeModules/DownloadExternals.cmake
+++ b/CMakeModules/DownloadExternals.cmake
@@ -133,7 +133,7 @@ function(download_qt_configuration prefix_out target host type arch arch_path ba
         set(install_args ${install_args} install-tool --outputdir ${base_path} ${host} desktop ${target})
     else()
         set(prefix "${base_path}/${target}/${arch_path}")
-        set(install_args ${install_args} install-qt --outputdir ${base_path} ${host} ${type} ${target} ${arch} -m qtbase)
+        set(install_args ${install_args} install-qt --outputdir ${base_path} ${host} ${type} ${target} ${arch} -m qt_base)
 
         if (YUZU_USE_QT_MULTIMEDIA)
             set(install_args ${install_args} qtmultimedia)
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/dialogs/NetPlayDialog.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/dialogs/NetPlayDialog.kt
index ede2cfafa4..cd3e9a4474 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/dialogs/NetPlayDialog.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/dialogs/NetPlayDialog.kt
@@ -34,6 +34,7 @@ import org.yuzu.yuzu_emu.databinding.ItemBanListBinding
 import org.yuzu.yuzu_emu.databinding.ItemButtonNetplayBinding
 import org.yuzu.yuzu_emu.databinding.ItemTextNetplayBinding
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
+import org.yuzu.yuzu_emu.network.NetDataValidators
 import org.yuzu.yuzu_emu.network.NetPlayManager
 import org.yuzu.yuzu_emu.utils.CompatUtils
 import org.yuzu.yuzu_emu.utils.GameHelper
@@ -102,8 +103,16 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
                         dismiss()
                     }
                     btnLobbyBrowser.setOnClickListener {
-                        LobbyBrowser(context).show()
-                        dismiss()
+                        if (!NetDataValidators.username()) {
+                            Toast.makeText(
+                                context,
+                                R.string.multiplayer_nickname_invalid,
+                                Toast.LENGTH_LONG
+                            ).show()
+                        } else {
+                            LobbyBrowser(context).show()
+                            dismiss()
+                        }
                     }
                 }
             }
@@ -368,7 +377,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             )
         ) {
             override fun validate(s: String): Boolean {
-                return s.length in 3..20
+                return NetDataValidators.roomName(s)
             }
         }
 
@@ -378,7 +387,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             context.getString(R.string.multiplayer_required)
         ) {
             override fun validate(s: String): Boolean {
-                return s.isNotEmpty()
+                return NetDataValidators.notEmpty(s)
             }
         }
 
@@ -388,12 +397,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             context.getString(R.string.multiplayer_token_required)
         ) {
             override fun validate(s: String): Boolean {
-                if (s != context.getString(R.string.multiplayer_public_visibility)) {
-                    return true;
-                }
-
-                val token = StringSetting.WEB_TOKEN.getString()
-                return token.matches(Regex("[a-z]{48}"))
+                return NetDataValidators.roomVisibility(s, context)
             }
         }
 
@@ -403,12 +407,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             context.getString(R.string.multiplayer_ip_error)
         ) {
             override fun validate(s: String): Boolean {
-                return try {
-                    InetAddress.getByName(s)
-                    s.length >= 7
-                } catch (_: Exception) {
-                    false
-                }
+                return NetDataValidators.ipAddress(s)
             }
         }
 
@@ -418,7 +417,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             context.getString(R.string.multiplayer_username_error)
         ) {
             override fun validate(s: String): Boolean {
-                return s.length in 4..20
+                return NetDataValidators.username(s)
             }
         }
 
@@ -428,7 +427,7 @@ class NetPlayDialog(context: Context) : BottomSheetDialog(context) {
             context.getString(R.string.multiplayer_port_error)
         ) {
             override fun validate(s: String): Boolean {
-                return s.toIntOrNull() in 1..65535
+                return NetDataValidators.port(s)
             }
         }
 
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
index ab35a9180c..a269cab254 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt
@@ -20,6 +20,7 @@ import org.yuzu.yuzu_emu.features.settings.model.IntSetting
 import org.yuzu.yuzu_emu.features.settings.model.LongSetting
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
+import org.yuzu.yuzu_emu.network.NetDataValidators
 import org.yuzu.yuzu_emu.utils.GpuDriverHelper
 import org.yuzu.yuzu_emu.utils.NativeConfig
 
@@ -300,9 +301,7 @@ abstract class SettingsItem(
                         val chars = "abcdefghijklmnopqrstuvwxyz"
                         (1..48).map { chars.random() }.joinToString("")
                     },
-                    validator = { s ->
-                        s?.matches(Regex("[a-z]{48}")) == true
-                    },
+                    validator = NetDataValidators::token,
                     errorId = R.string.multiplayer_token_error
                 )
             )
@@ -312,9 +311,7 @@ abstract class SettingsItem(
                     StringSetting.WEB_USERNAME,
                     titleId = R.string.web_username,
                     descriptionId = R.string.web_username_description,
-                    validator = { s ->
-                        s?.length in 4..20
-                    },
+                    validator = NetDataValidators::username,
                     errorId = R.string.multiplayer_username_error
                 )
             )
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsDialogFragment.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsDialogFragment.kt
index e50ebe50f4..aa17d05e34 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsDialogFragment.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsDialogFragment.kt
@@ -154,8 +154,6 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
                     stringInputBinding.generate.setOnClickListener {
                         stringInputBinding.editText.setText(onGenerate())
                     }
-                } else {
-                    stringInputBinding.generate.isVisible = false
                 }
 
                 val validator = item.validator
@@ -179,8 +177,9 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
                         }
 
                         override fun afterTextChanged(s: Editable?) {
-                            stringInputBinding.editText.error =
-                                if (validator(s.toString())) null else requireContext().getString(item.errorId)
+                            val isValid = validator(s.toString())
+                            stringInputBinding.editTextLayout.isErrorEnabled = !isValid
+                            stringInputBinding.editTextLayout.error = if (isValid) null else requireContext().getString(item.errorId)
                         }
                     }
 
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/network/NetDataValidators.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/network/NetDataValidators.kt
new file mode 100644
index 0000000000..b3edf35d8e
--- /dev/null
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/network/NetDataValidators.kt
@@ -0,0 +1,56 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package org.yuzu.yuzu_emu.network
+
+import android.content.Context
+import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.features.settings.model.StringSetting
+import java.net.InetAddress
+
+object NetDataValidators {
+    fun roomName(s: String): Boolean {
+        return s.length in 3..20
+    }
+
+    fun notEmpty(s: String): Boolean {
+        return s.isNotEmpty()
+    }
+
+    fun token(s: String?): Boolean {
+        return s?.matches(Regex("[a-z]{48}")) == true
+    }
+
+    fun token(): Boolean {
+        return token(StringSetting.WEB_TOKEN.getString())
+    }
+
+    fun roomVisibility(s: String, context: Context): Boolean {
+        if (s != context.getString(R.string.multiplayer_public_visibility)) {
+            return true;
+        }
+
+        return token()
+    }
+
+    fun ipAddress(s: String): Boolean {
+        return try {
+            InetAddress.getByName(s)
+            s.length >= 7
+        } catch (_: Exception) {
+            false
+        }
+    }
+
+    fun username(s: String?): Boolean {
+        return s?.matches(Regex("^[ a-zA-Z0-9._-]{4,20}$")) == true
+    }
+
+    fun username(): Boolean {
+        return username(StringSetting.WEB_USERNAME.getString())
+    }
+
+    fun port(s: String): Boolean {
+        return s.toIntOrNull() in 1..65535
+    }
+}
\ No newline at end of file
diff --git a/src/android/app/src/main/res/layout/dialog_edit_text.xml b/src/android/app/src/main/res/layout/dialog_edit_text.xml
index 3612f46eae..bc7864a395 100644
--- a/src/android/app/src/main/res/layout/dialog_edit_text.xml
+++ b/src/android/app/src/main/res/layout/dialog_edit_text.xml
@@ -27,6 +27,7 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="15dp"
         android:text="@string/generate"
+        android:visibility="gone"
         app:layout_constraintEnd_toEndOf="@+id/edit_text_layout"
         app:layout_constraintTop_toBottomOf="@+id/edit_text_layout" />
 
diff --git a/src/android/app/src/main/res/values/strings.xml b/src/android/app/src/main/res/values/strings.xml
index e611e66c1f..3814105ea0 100644
--- a/src/android/app/src/main/res/values/strings.xml
+++ b/src/android/app/src/main/res/values/strings.xml
@@ -148,18 +148,18 @@
     <string name="multiplayer_join_room_failed">Failed to join room</string>
     <string name="multiplayer_name_invalid">Name is too short</string>
     <string name="multiplayer_address_invalid">Invalid address</string>
-    <string name="multiplayer_port_invalid">Invalid port!</string>
+    <string name="multiplayer_port_invalid">Invalid port</string>
     <string name="multiplayer_exit_room">Exit Room</string>
     <string name="multiplayer_network_error">Network error</string>
     <string name="multiplayer_lost_connection">Lost connection</string>
-    <string name="multiplayer_name_collision">Name collision</string>
+    <string name="multiplayer_name_collision">Username already taken</string>
     <string name="multiplayer_mac_collision">MAC Address collision</string>
     <string name="multiplayer_console_id_collision">Console ID collision</string>
     <string name="multiplayer_wrong_version">Wrong version</string>
     <string name="multiplayer_wrong_password">Wrong password</string>
     <string name="multiplayer_could_not_connect">Could not connect</string>
     <string name="multiplayer_room_is_full">Room is full</string>
-    <string name="multiplayer_host_banned">Host banned</string>
+    <string name="multiplayer_host_banned">You are banned from this room</string>
     <string name="multiplayer_permission_denied">Permission denied</string>
     <string name="multiplayer_no_such_user">No such user</string>
     <string name="multiplayer_already_in_room">Already in room</string>
@@ -221,7 +221,8 @@
     <string name="multiplayer_required">Required</string>
     <string name="multiplayer_token_required">Web Token required, go to Advanced Settings -> System -> Network</string>
     <string name="multiplayer_ip_error">Invalid IP format</string>
-    <string name="multiplayer_username_error">Must be between 4–20 characters</string>
+    <string name="multiplayer_username_error">Must be between 4–20 characters, and contain alphanumeric characters, periods, dashes, underscores, and spaces only</string>
+    <string name="multiplayer_nickname_invalid">Username invalid, ensure it is set properly in System -> Network</string>
     <string name="multiplayer_token_error">Must be 48 characters, and lowercase a-z only</string>
     <string name="multiplayer_port_error">Must be between 1 and 65535</string>
     <string name="cancel">Cancel</string>
@@ -467,7 +468,7 @@
     <string name="web_token">Web Token</string>
     <string name="web_token_description">Web token used for creating public lobbies. It is a 48-character string containing only lowercase a-z.</string>
     <string name="web_username">Web Username</string>
-    <string name="web_username_description">Username to be shown in multiplayer lobbies. It must be 4–20 characters.</string>
+    <string name="web_username_description">Username to be shown in multiplayer lobbies. It must be 4–20 characters, containing only alphanumeric characters, dashes, periods, underscores, and spaces.</string>
     <string name="network">Network</string>
 
     <!-- Graphics settings strings -->
diff --git a/src/video_core/host1x/ffmpeg/ffmpeg.cpp b/src/video_core/host1x/ffmpeg/ffmpeg.cpp
index d6eff2bdd7..3170f53884 100644
--- a/src/video_core/host1x/ffmpeg/ffmpeg.cpp
+++ b/src/video_core/host1x/ffmpeg/ffmpeg.cpp
@@ -23,32 +23,48 @@ namespace FFmpeg {
 
 namespace {
 
-constexpr AVPixelFormat PreferredGpuFormat = AV_PIX_FMT_NV12;
-constexpr AVPixelFormat PreferredCpuFormat = AV_PIX_FMT_YUV420P;
 constexpr std::array PreferredGpuDecoders = {
-#ifdef _WIN32
+#if defined (_WIN32)
     AV_HWDEVICE_TYPE_CUDA,
     AV_HWDEVICE_TYPE_D3D11VA,
     AV_HWDEVICE_TYPE_DXVA2,
 #elif defined(__FreeBSD__)
     AV_HWDEVICE_TYPE_VDPAU,
 #elif defined(__unix__)
+	AV_HWDEVICE_TYPE_CUDA,
     AV_HWDEVICE_TYPE_VAAPI,
+	AV_HWDEVICE_TYPE_VDPAU,
 #endif
     AV_HWDEVICE_TYPE_VULKAN,
 };
 
 AVPixelFormat GetGpuFormat(AVCodecContext* codec_context, const AVPixelFormat* pix_fmts) {
-    for (const AVPixelFormat* p = pix_fmts; *p != AV_PIX_FMT_NONE; ++p) {
-        if (*p == codec_context->pix_fmt) {
-            return codec_context->pix_fmt;
-        }
-    }
+	// Check if there is a pixel format supported by the GPU decoder.
+	const auto desc = av_pix_fmt_desc_get(codec_context->pix_fmt);
+	if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
+		for (const AVPixelFormat* p = pix_fmts; *p != AV_PIX_FMT_NONE; ++p) {
+			if (*p == codec_context->pix_fmt) {
+				return codec_context->pix_fmt;
+			}
+		}
+	}
 
-    LOG_INFO(HW_GPU, "Could not find compatible GPU AV format, falling back to CPU");
+	// Another check to confirm if there is a pixel format supported by specific GPU decoders.
+	for (int i = 0;; i++) {
+		const AVCodecHWConfig* config = avcodec_get_hw_config(codec_context->codec, i);
+		if (!config) {
+			break;
+		}
+
+		if ((config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) && (config->device_type == AV_HWDEVICE_TYPE_CUDA || config->device_type == AV_HWDEVICE_TYPE_VAAPI)) {
+			return config->pix_fmt;
+		}
+	}
+
+	// Fallback to CPU decoder.
+    LOG_INFO(HW_GPU, "Could not find compatible GPU pixel format, falling back to CPU");
     av_buffer_unref(&codec_context->hw_device_ctx);
 
-    codec_context->pix_fmt = PreferredCpuFormat;
     return codec_context->pix_fmt;
 }
 
@@ -58,7 +74,7 @@ std::string AVError(int errnum) {
     return errbuf;
 }
 
-} // namespace
+}
 
 Packet::Packet(std::span<const u8> data) {
     m_packet = av_packet_alloc();
@@ -81,16 +97,16 @@ Frame::~Frame() {
 Decoder::Decoder(Tegra::Host1x::NvdecCommon::VideoCodec codec) {
     const AVCodecID av_codec = [&] {
         switch (codec) {
-        case Tegra::Host1x::NvdecCommon::VideoCodec::H264:
-            return AV_CODEC_ID_H264;
-        case Tegra::Host1x::NvdecCommon::VideoCodec::VP8:
-            return AV_CODEC_ID_VP8;
-        case Tegra::Host1x::NvdecCommon::VideoCodec::VP9:
-            return AV_CODEC_ID_VP9;
-        default:
-            UNIMPLEMENTED_MSG("Unknown codec {}", codec);
-            return AV_CODEC_ID_NONE;
-        }
+			case Tegra::Host1x::NvdecCommon::VideoCodec::H264:
+				return AV_CODEC_ID_H264;
+			case Tegra::Host1x::NvdecCommon::VideoCodec::VP8:
+				return AV_CODEC_ID_VP8;
+			case Tegra::Host1x::NvdecCommon::VideoCodec::VP9:
+				return AV_CODEC_ID_VP9;
+			default:
+				UNIMPLEMENTED_MSG("Unknown codec {}", codec);
+				return AV_CODEC_ID_NONE;
+			}
     }();
 
     m_codec = avcodec_find_decoder(av_codec);
@@ -103,6 +119,7 @@ bool Decoder::SupportsDecodingOnDevice(AVPixelFormat* out_pix_fmt, AVHWDeviceTyp
             LOG_DEBUG(HW_GPU, "{} decoder does not support device type {}", m_codec->name, av_hwdevice_get_type_name(type));
             break;
         }
+
         if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX && config->device_type == type) {
             LOG_INFO(HW_GPU, "Using {} GPU decoder", av_hwdevice_get_type_name(type));
             *out_pix_fmt = config->pix_fmt;
@@ -215,11 +232,11 @@ bool DecoderContext::OpenContext(const Decoder& decoder) {
 }
 
 bool DecoderContext::SendPacket(const Packet& packet) {
-	m_temp_frame = std::make_shared<Frame>();
     if (const int ret = avcodec_send_packet(m_codec_context, packet.GetPacket()); ret < 0 && ret != AVERROR_EOF) {
         LOG_ERROR(HW_GPU, "avcodec_send_packet error: {}", AVError(ret));
         return false;
     }
+
     return true;
 }
 
@@ -237,14 +254,15 @@ std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
 		return {};
 	}
 
-	const auto desc = av_pix_fmt_desc_get(intermediate_frame->GetPixelFormat());
-	if (m_codec_context->hw_device_ctx && (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) {
-		m_temp_frame->SetFormat(PreferredGpuFormat);
+	m_temp_frame = std::make_shared<Frame>();
+	if (m_codec_context->hw_device_ctx) {
+		m_temp_frame->SetFormat(AV_PIX_FMT_NV12);
 		if (int ret = av_hwframe_transfer_data(m_temp_frame->GetFrame(), intermediate_frame->GetFrame(), 0); ret < 0) {
 			LOG_ERROR(HW_GPU, "av_hwframe_transfer_data error: {}", AVError(ret));
 			return {};
 		}
 	} else {
+		m_temp_frame->SetFormat(AV_PIX_FMT_YUV420P);
 		m_temp_frame = std::move(intermediate_frame);
 	}
 
@@ -287,4 +305,4 @@ std::shared_ptr<Frame> DecodeApi::ReceiveFrame() {
     return m_decoder_context->ReceiveFrame();
 }
 
-} // namespace FFmpeg
+}
diff --git a/src/video_core/host1x/ffmpeg/ffmpeg.h b/src/video_core/host1x/ffmpeg/ffmpeg.h
index 6200fa691d..0864fd0cbe 100644
--- a/src/video_core/host1x/ffmpeg/ffmpeg.h
+++ b/src/video_core/host1x/ffmpeg/ffmpeg.h
@@ -26,7 +26,6 @@ extern "C" {
 #include <libavutil/opt.h>
 #include <libavutil/pixdesc.h>
 
-// Works quite fine, and omits the hacky ffmpeg building for now...
 #if defined(__FreeBSD__)
 #include <libavcodec/codec.h>
 #else