diff --git a/shell.nix b/shell.nix
index 403f594852..3c91286738 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,5 @@
 let
-  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-25.11";
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-24.05";
   pkgs = import nixpkgs { config = {}; overlays = []; };
 in
 pkgs.mkShellNoCC {
diff --git a/src/core/hle/service/am/service/application_functions.cpp b/src/core/hle/service/am/service/application_functions.cpp
index 48362743d8..e70ed2cccd 100644
--- a/src/core/hle/service/am/service/application_functions.cpp
+++ b/src/core/hle/service/am/service/application_functions.cpp
@@ -88,13 +88,12 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_, std::shared_
         {181, nullptr, "UpgradeLaunchRequiredVersion"},
         {190, nullptr, "SendServerMaintenanceOverlayNotification"},
         {200, nullptr, "GetLastApplicationExitReason"},
-        {210, D<&IApplicationFunctions::GetLaunchRequiredVersionUpgrade>, "GetLaunchRequiredVersionUpgrade"}, //20.0.0+
-        {211, nullptr, "GetLaunchRequiredVersionUpgradeStatus"}, //20.0.0+
-        {220, nullptr, "Unknown220"}, //20.0.0+
-        {300, nullptr, "CreateMovieWriter"}, //20.0.0+
-        {310, nullptr, "Unknown310"}, //20.0.0+
-        {320, nullptr, "Unknown320"}, //20.0.0+
-        {330, nullptr, "Unknown330"}, //20.0.0+
+        {210, D<&IApplicationFunctions::GetUnknownEvent210>, "Unknown210"},
+        {220, nullptr, "Unknown220"}, // [20.0.0+]
+        {300, nullptr, "Unknown300"}, // [20.0.0+]
+        {310, nullptr, "Unknown310"}, // [20.0.0+]
+        {320, nullptr, "Unknown320"}, // [20.0.0+]
+        {330, nullptr, "Unknown330"}, // [20.0.0+]
         {500, nullptr, "StartContinuousRecordingFlushForDebug"},
         {1000, nullptr, "CreateMovieMaker"},
         {1001, D<&IApplicationFunctions::PrepareForJit>, "PrepareForJit"},
@@ -497,10 +496,10 @@ Result IApplicationFunctions::GetHealthWarningDisappearedSystemEvent(
     R_SUCCEED();
 }
 
-Result IApplicationFunctions::GetLaunchRequiredVersionUpgrade(
+Result IApplicationFunctions::GetUnknownEvent210(
     OutCopyHandle<Kernel::KReadableEvent> out_event) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-    *out_event = m_applet->state_changed_event.GetHandle();
+    LOG_DEBUG(Service_AM, "called");
+    *out_event = m_applet->unknown_event.GetHandle();
     R_SUCCEED();
 }
 
diff --git a/src/core/hle/service/am/service/application_functions.h b/src/core/hle/service/am/service/application_functions.h
index 894684ca64..35b3e9505d 100644
--- a/src/core/hle/service/am/service/application_functions.h
+++ b/src/core/hle/service/am/service/application_functions.h
@@ -79,7 +79,7 @@ private:
     Result TryPopFromFriendInvitationStorageChannel(Out<SharedPointer<IStorage>> out_storage);
     Result GetNotificationStorageChannelEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result GetHealthWarningDisappearedSystemEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
-    Result GetLaunchRequiredVersionUpgrade(OutCopyHandle<Kernel::KReadableEvent> out_event);
+    Result GetUnknownEvent210(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result PrepareForJit();
 
     const std::shared_ptr<Applet> m_applet;
diff --git a/src/core/hle/service/sockets/bsd.cpp b/src/core/hle/service/sockets/bsd.cpp
index f58b0760aa..80fec3ef94 100644
--- a/src/core/hle/service/sockets/bsd.cpp
+++ b/src/core/hle/service/sockets/bsd.cpp
@@ -312,7 +312,7 @@ void BSD::Listen(HLERequestContext& ctx) {
 void BSD::Fcntl(HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const s32 fd = rp.Pop<s32>();
-    const u32 cmd = rp.Pop<u32>();
+    const s32 cmd = rp.Pop<s32>();
     const s32 arg = rp.Pop<s32>();
 
     LOG_DEBUG(Service, "called. fd={} cmd={} arg={}", fd, cmd, arg);
@@ -627,45 +627,23 @@ std::pair<s32, Errno> BSD::AcceptImpl(s32 fd, std::vector<u8>& write_buffer) {
 
 Errno BSD::BindImpl(s32 fd, std::span<const u8> addr) {
     if (!IsFileDescriptorValid(fd)) {
-        LOG_ERROR(Service, "Bind failed: Invalid fd={}", fd);
         return Errno::BADF;
     }
     ASSERT(addr.size() == sizeof(SockAddrIn));
     auto addr_in = GetValue<SockAddrIn>(addr);
 
-    LOG_INFO(Service, "Bind fd={} to {}:{}", fd, Network::IPv4AddressToString(addr_in.ip),
-             addr_in.portno);
-
-    const auto result = Translate(file_descriptors[fd]->socket->Bind(Translate(addr_in)));
-    if (result != Errno::SUCCESS) {
-        LOG_ERROR(Service, "Bind fd={} failed with errno={}", fd, static_cast<int>(result));
-    }
-    return result;
+    return Translate(file_descriptors[fd]->socket->Bind(Translate(addr_in)));
 }
 
 Errno BSD::ConnectImpl(s32 fd, std::span<const u8> addr) {
     if (!IsFileDescriptorValid(fd)) {
-        LOG_ERROR(Service, "Connect failed: Invalid fd={}", fd);
         return Errno::BADF;
     }
 
     UNIMPLEMENTED_IF(addr.size() != sizeof(SockAddrIn));
     auto addr_in = GetValue<SockAddrIn>(addr);
 
-    LOG_INFO(Service, "Connect fd={} to {}:{}", fd, Network::IPv4AddressToString(addr_in.ip),
-             addr_in.portno);
-
-    const auto result = Translate(file_descriptors[fd]->socket->Connect(Translate(addr_in)));
-    if (result != Errno::SUCCESS) {
-        if (result == Errno::INPROGRESS || result == Errno::AGAIN) {
-            LOG_DEBUG(Service, "Connect fd={} in progress (non-blocking), errno={}", fd, static_cast<int>(result));
-        } else {
-            LOG_ERROR(Service, "Connect fd={} failed with errno={}", fd, static_cast<int>(result));
-        }
-    } else {
-        LOG_INFO(Service, "Connect fd={} succeeded", fd);
-    }
-    return result;
+    return Translate(file_descriptors[fd]->socket->Connect(Translate(addr_in)));
 }
 
 Errno BSD::GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer) {
@@ -741,8 +719,8 @@ Errno BSD::GetSockOptImpl(s32 fd, u32 level, OptName optname, std::vector<u8>& o
     }
 
     if (level != static_cast<u32>(SocketLevel::SOCKET)) {
-        LOG_WARNING(Service, "(STUBBED) Unknown getsockopt level={}, returning INVAL", level);
-        return Errno::INVAL;
+        UNIMPLEMENTED_MSG("Unknown getsockopt level");
+        return Errno::SUCCESS;
     }
 
     Network::SocketBase* const socket = file_descriptors[fd]->socket.get();
@@ -772,52 +750,32 @@ Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, std::span<const u8
     }
 
     if (level != static_cast<u32>(SocketLevel::SOCKET)) {
-        LOG_WARNING(Service, "(STUBBED) Unknown setsockopt level={}, returning INVAL", level);
-        return Errno::INVAL;
+        UNIMPLEMENTED_MSG("Unknown setsockopt level");
+        return Errno::SUCCESS;
     }
 
     Network::SocketBase* const socket = file_descriptors[fd]->socket.get();
 
     if (optname == OptName::LINGER) {
-        if (optval.size() != sizeof(Linger)) {
-            LOG_WARNING(Service, "LINGER optval size mismatch: expected {}, got {}", sizeof(Linger),
-                        optval.size());
-            return Errno::INVAL;
-        }
+        ASSERT(optval.size() == sizeof(Linger));
         auto linger = GetValue<Linger>(optval);
-        if (linger.onoff != 0 && linger.onoff != 1) {
-            LOG_WARNING(Service, "Invalid LINGER onoff value: {}", linger.onoff);
-            return Errno::INVAL;
-        }
+        ASSERT(linger.onoff == 0 || linger.onoff == 1);
 
         return Translate(socket->SetLinger(linger.onoff != 0, linger.linger));
     }
 
-    if (optval.size() != sizeof(u32)) {
-        LOG_WARNING(Service, "optval size mismatch: expected {}, got {} for optname={}", sizeof(u32),
-                    optval.size(), static_cast<u32>(optname));
-        return Errno::INVAL;
-    }
+    ASSERT(optval.size() == sizeof(u32));
     auto value = GetValue<u32>(optval);
 
     switch (optname) {
     case OptName::REUSEADDR:
-        if (value != 0 && value != 1) {
-            LOG_WARNING(Service, "Invalid REUSEADDR value: {}", value);
-            return Errno::INVAL;
-        }
+        ASSERT(value == 0 || value == 1);
         return Translate(socket->SetReuseAddr(value != 0));
     case OptName::KEEPALIVE:
-        if (value != 0 && value != 1) {
-            LOG_WARNING(Service, "Invalid KEEPALIVE value: {}", value);
-            return Errno::INVAL;
-        }
+        ASSERT(value == 0 || value == 1);
         return Translate(socket->SetKeepAlive(value != 0));
     case OptName::BROADCAST:
-        if (value != 0 && value != 1) {
-            LOG_WARNING(Service, "Invalid BROADCAST value: {}", value);
-            return Errno::INVAL;
-        }
+        ASSERT(value == 0 || value == 1);
         return Translate(socket->SetBroadcast(value != 0));
     case OptName::SNDBUF:
         return Translate(socket->SetSndBuf(value));
@@ -831,9 +789,8 @@ Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, std::span<const u8
         LOG_WARNING(Service, "(STUBBED) setting NOSIGPIPE to {}", value);
         return Errno::SUCCESS;
     default:
-        LOG_WARNING(Service, "(STUBBED) Unimplemented optname={} (0x{:x}), returning INVAL",
-                    static_cast<u32>(optname), static_cast<u32>(optname));
-        return Errno::INVAL;
+        UNIMPLEMENTED_MSG("Unimplemented optname={}", optname);
+        return Errno::SUCCESS;
     }
 }
 
diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp
index afb5c95da2..17fbe9961c 100644
--- a/src/video_core/engines/fermi_2d.cpp
+++ b/src/video_core/engines/fermi_2d.cpp
@@ -66,9 +66,7 @@ void Fermi2D::Blit() {
     UNIMPLEMENTED_IF_MSG(regs.operation != Operation::SrcCopy, "Operation is not copy");
     UNIMPLEMENTED_IF_MSG(regs.src.layer != 0, "Source layer is not zero");
     UNIMPLEMENTED_IF_MSG(regs.dst.layer != 0, "Destination layer is not zero");
-    if (regs.src.depth != 1) {
-        LOG_DEBUG(HW_GPU, "Source depth is {}, expected 1 - using first layer", regs.src.depth);
-    }
+    UNIMPLEMENTED_IF_MSG(regs.src.depth != 1, "Source depth is not one");
     UNIMPLEMENTED_IF_MSG(regs.clip_enable != 0, "Clipped blit enabled");
 
     const auto& args = regs.pixels_from_memory;