yes

Minecraft.Client/Common/Tutorial/Tutorial.cpp

@@ -2109,6 +2109,12 @@ bool Tutorial::isInputAllowed(int mapping)
 	// If the player is under water then allow all keypresses so they can jump out
 	if( Minecraft::GetInstance()->localplayers[m_iPad]->isUnderLiquid(Material::water) ) return true;
 
+	// If we're in a riding state but the player has dismounted, allow all input (covers race where
+	// ride(nullptr) hasn't fired changeTutorialState yet, or alternate dismount paths).
+	if( (m_CurrentState == e_Tutorial_State_Riding_Minecart || m_CurrentState == e_Tutorial_State_Riding_Boat) &&
+		Minecraft::GetInstance()->localplayers[m_iPad]->riding == nullptr )
+		return true;
+
 	bool allowed = true;
 	for(auto& constraint : constraints[m_CurrentState])
 	{

Minecraft.Client/Windows64/Windows64_Minecraft.cpp

@@ -1656,11 +1656,10 @@ int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
 	const Win64LaunchOptions launchOptions = ParseLaunchOptions();
 	ApplyScreenMode(launchOptions.screenMode);
 
-	// Ensure uid.dat exists from startup in client mode (before any multiplayer/login path).
+	// Ensure uid.dat exists from startup (client and headless server).
-	if (!launchOptions.serverMode)
+	// Clients need it for their identity; headless server needs it so any XUID-dependent
-	{
+	// code (e.g. fake host, profile stubs) has a valid persistent ID.
-		Win64Xuid::ResolvePersistentXuid();
+	Win64Xuid::ResolvePersistentXuid();
-	}
 
 	// If no username, let's fall back
 	if (g_Win64Username[0] == 0)

Minecraft.World/Ocelot.cpp

@@ -189,7 +189,8 @@ bool Ocelot::mobInteract(shared_ptr<Player> player)
 	shared_ptr<ItemInstance> item = player->inventory->getSelected();
 	if (isTame())
 	{
-		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()))
+		// Windows64: owner may be stored as name (legacy) or xuid string; check both for compatibility
+		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()) || equalsIgnoreCase(player->getName(), getOwnerUUID()))
 		{
 			if (!level->isClientSide && !isFood(item))
 			{
@@ -219,13 +220,12 @@ bool Ocelot::mobInteract(shared_ptr<Player> player)
 
 					setCatType(1 + level->random->nextInt(3));
 					setOwnerUUID(player->getUUID());
-					spawnTamingParticles(true);
 					sitGoal->wantToSit(true);
+					// broadcast triggers handleEntityEvent which spawns particles
 					level->broadcastEntityEvent(shared_from_this(), EntityEvent::TAMING_SUCCEEDED);
 				}
 				else
 				{
-					spawnTamingParticles(false);
 					level->broadcastEntityEvent(shared_from_this(), EntityEvent::TAMING_FAILED);
 				}
 			}

Minecraft.World/Ozelot.cpp

@@ -204,7 +204,8 @@ bool Ozelot::interact(shared_ptr<Player> player)
 	shared_ptr<ItemInstance> item = player->inventory->getSelected();
 	if (isTame())
 	{
-		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()))
+		// Windows64: owner may be stored as name (legacy) or xuid string; check both for compatibility
+		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()) || equalsIgnoreCase(player->getName(), getOwnerUUID()))
 		{
 			if (!level->isClientSide && !isFood(item))
 			{
@@ -234,13 +235,12 @@ bool Ozelot::interact(shared_ptr<Player> player)
 
 					setCatType(1 + level->random->nextInt(3));
 					setOwnerUUID(player->getUUID());
-					spawnTamingParticles(true);
 					sitGoal->wantToSit(true);
+					// broadcast triggers handleEntityEvent which spawns particles
 					level->broadcastEntityEvent(shared_from_this(), EntityEvent::TAMING_SUCCEEDED);
 				}
 				else
 				{
-					spawnTamingParticles(false);
 					level->broadcastEntityEvent(shared_from_this(), EntityEvent::TAMING_FAILED);
 				}
 			}

Minecraft.World/Player.cpp

@@ -767,6 +767,11 @@ void Player::setXuid(PlayerUID xuid)
 	// This should just be a string version of the xuid
 
 	setUUID( xuid.toString() );
+#elif defined _WINDOWS64
+	// Windows64: PlayerUID is ULONGLONG - convert to hex string for wolf/ocelot ownership
+	wchar_t buf[24];
+	swprintf_s(buf, 24, L"%016llX", (unsigned long long)xuid);
+	setUUID(wstring(buf));
 #endif
 }
 

Minecraft.World/Wolf.cpp

@@ -334,8 +334,8 @@ void Wolf::tame(const wstring &wsOwnerUUID, bool bDisplayTamingParticles, bool b
 
 	setOwnerUUID(wsOwnerUUID);
 
-	// We'll not show the taming particles if this is a baby wolf
+	// Don't spawn particles here - TAMING_SUCCEEDED/FAILED broadcast triggers handleEntityEvent which spawns them.
-	spawnTamingParticles(bDisplayTamingParticles);
+	// That avoids double-spawning. Baby wolf taming (bDisplayTamingParticles=false) has no broadcast, so no particles - correct.
 }
 
 bool Wolf::mobInteract(shared_ptr<Player> player) 
@@ -381,7 +381,8 @@ bool Wolf::mobInteract(shared_ptr<Player> player)
 				}
 			}
 		}
-		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()))
+		// Windows64: owner may be stored as name (legacy) or xuid string; check both for compatibility
+		if (equalsIgnoreCase(player->getUUID(), getOwnerUUID()) || equalsIgnoreCase(player->getName(), getOwnerUUID()))
 		{
 			if (!level->isClientSide && !isFood(item))
 			{
@@ -421,7 +422,7 @@ bool Wolf::mobInteract(shared_ptr<Player> player)
 				} 
 				else 
 				{
-					spawnTamingParticles(false);
+					// broadcastEntityEvent triggers handleEntityEvent which spawns smoke
 					level->broadcastEntityEvent(shared_from_this(), EntityEvent::TAMING_FAILED);
 				}
 			}