diff --git a/nel/src/3d/driver/opengl/driver_opengl_extension.cpp b/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
index c81ab9e1e..0b8c4a458 100644
--- a/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
+++ b/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
@@ -1584,6 +1584,14 @@ void	registerGlExtensions(CGlExtensions &ext)
 {
 	H_AUTO_OGL(registerGlExtensions);
 
+#ifdef NL_OS_MAC
+	CGLContextObj ctx = CGLGetCurrentContext();
+	if (ctx == NULL)
+	{
+		nlerror("No OpenGL context set");
+	}
+#endif
+
 	// OpenGL 1.2 ??
 	const char	*nglVersion = (const char *)glGetString (GL_VERSION);
 
diff --git a/nel/src/3d/driver/opengl/driver_opengl_window.cpp b/nel/src/3d/driver/opengl/driver_opengl_window.cpp
index 293cb28bb..f04ad304e 100644
--- a/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -1072,6 +1072,9 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 	[_ctx flushBuffer];
 	[_glView display];
 
+	// Set context as thread context
+	CGLSetCurrentContext((CGLContextObj)[_ctx CGLContextObj]);
+
 	_EventEmitter.init(this, _glView, _DestroyWindow);
 
 #elif defined(NL_OS_UNIX)
diff --git a/nel/src/misc/system_info.cpp b/nel/src/misc/system_info.cpp
index 1f5039de5..5dc70182c 100644
--- a/nel/src/misc/system_info.cpp
+++ b/nel/src/misc/system_info.cpp
@@ -179,7 +179,6 @@
 #else
 #	include <sys/types.h>
 #	include <sys/stat.h>
-#	include <sys/sysctl.h>
 #	include <fcntl.h>
 #	include <unistd.h>
 #	include <cerrno>
diff --git a/nel/src/web/http_client_curl.cpp b/nel/src/web/http_client_curl.cpp
index e61baa89f..10bb0776c 100644
--- a/nel/src/web/http_client_curl.cpp
+++ b/nel/src/web/http_client_curl.cpp
@@ -191,8 +191,11 @@ bool CCurlHttpClient::receive(string &res, bool verbose)
 // ***************************************************************************
 void CCurlHttpClient::disconnect()
 {
-	curl_easy_cleanup(_Curl);
-	_CurlStruct = NULL;
+	if (_CurlStruct)
+	{
+		curl_easy_cleanup(_Curl);
+		_CurlStruct = NULL;
+	}
 	curl_global_cleanup();
 }
 
diff --git a/ryzom/client/src/decal.cpp b/ryzom/client/src/decal.cpp
index e270a7c29..a16cb93bf 100644
--- a/ryzom/client/src/decal.cpp
+++ b/ryzom/client/src/decal.cpp
@@ -162,7 +162,9 @@ CDecal::CDecal()
 	{
 		DecalAttenuationVertexProgram = new CVertexProgramDecalAttenuation();
 	}
-	_ShadowMap = new CShadowMap(&(((CSceneUser *) Scene)->getScene().getRenderTrav().getShadowMapManager()));
+
+	// initialized in render() as depends on scene
+	_ShadowMap = NULL;
 	_Material.initUnlit();
 	_Diffuse = CRGBA::White;
 	_Emissive = CRGBA::Black;
@@ -251,7 +253,11 @@ CRGBA CDecal::getDiffuse() const
 // ****************************************************************************
 CDecal::~CDecal()
 {
-	delete _ShadowMap;
+	if (_ShadowMap)
+	{
+		delete _ShadowMap;
+		_ShadowMap = NULL;
+	}
 }
 
 // ****************************************************************************
@@ -527,7 +533,12 @@ void CDecal::render(NL3D::UDriver &/* drv */,
 	//
 	float tileNear = Landscape->getTileNear();
 	//
-	nlassert(_ShadowMap);
+	if (!_ShadowMap)
+	{
+		_ShadowMap = new CShadowMap(&(((CSceneUser *) Scene)->getScene().getRenderTrav().getShadowMapManager()));
+		nlassert(_ShadowMap);
+	}
+
 	_ShadowMap->LocalClipPlanes.resize(4);
 	CVector corners[4] =
 	{
diff --git a/ryzom/client/src/interface_v3/action_handler_game.cpp b/ryzom/client/src/interface_v3/action_handler_game.cpp
index b4237cf88..1c42b5eea 100644
--- a/ryzom/client/src/interface_v3/action_handler_game.cpp
+++ b/ryzom/client/src/interface_v3/action_handler_game.cpp
@@ -2819,24 +2819,6 @@ public:
 
 	virtual void execute (CCtrlBase * /* pCaller */, const string &Params)
 	{
-		/* // Previous version (multiple pressed on a desktop change a central window
-		uint desktop;
-		fromString(Params, desktop);
-		if (desktop <MAX_NUM_MODES)
-		{
-			CInterfaceManager	*pIM= CInterfaceManager::getInstance();
-			const string procNames[MAX_NUM_MODES] = { "tb_setexp", "tb_setinfo", "tb_setlab", "tb_setkeys" };
-			const string dbNames[MAX_NUM_MODES] = { "", "UI:SAVE:CURRENT_INFO_MODE", "UI:SAVE:CURRENT_LAB_MODE", "UI:SAVE:CURRENT_KEY_MODE" };
-			string sValue;
-			CCDBNodeLeaf *pNL = NLGUI::CDBManager::getInstance()->getDbProp(dbNames[desktop], false);
-			if (pNL != NULL)
-				sValue = NLMISC::toString((sint32)pNL->getValue64());
-			vector<string> vecStr;
-			vecStr.push_back(procNames[desktop]);
-			vecStr.push_back(sValue);
-			CWidgetManager::getInstance()->runProcedure(procNames[desktop], NULL, vecStr);
-		}*/
-
 		CInterfaceManager *pIM = CInterfaceManager::getInstance();
 		CGroupContainer *pGC = dynamic_cast<CGroupContainer*>(CWidgetManager::getInstance()->getElementFromId("ui:interface:gestion_windows"));
 		if (pGC == NULL)
@@ -2847,11 +2829,14 @@ public:
 		CInterfaceElement *pIE = CWidgetManager::getInstance()->getElementFromId("ui:interface:gestion_windows:close");
 		if (pIE != NULL) pIE->setActive(false);
 
+		bool switchDesktop = false;
+
 		CActionsManager *pAM = &Actions;
 		if (!pAM->valide(CAction::CName("set_desktop",Params.c_str())))
 		{
 			pGC->setActive(false);
 			_FirstTime = true;
+			switchDesktop = true;
 		}
 		else // Key is down
 		{
@@ -2859,11 +2844,7 @@ public:
 			if (_FirstTime)
 			{
 				_FirstTime = false;
-
-				vector<string> vecStr;
-				vecStr.push_back("tb_setdesktop");
-				vecStr.push_back(Params);
-				CWidgetManager::getInstance()->runProcedure("tb_setdesktop", NULL, vecStr);
+				switchDesktop = true;
 			}
 			else // Not the first time
 			{
@@ -2873,6 +2854,13 @@ public:
 				CWidgetManager::getInstance()->setTopWindow(pGC);
 			}
 		}
+		if (switchDesktop)
+		{
+			vector<string> vecStr;
+			vecStr.push_back("tb_setdesktop");
+			vecStr.push_back(Params);
+			CWidgetManager::getInstance()->runProcedure("tb_setdesktop", NULL, vecStr);
+		}
 	}
 private:
 	bool _FirstTime;
diff --git a/ryzom/client/src/interface_v3/group_map.cpp b/ryzom/client/src/interface_v3/group_map.cpp
index a279f84da..4b08b6e4b 100644
--- a/ryzom/client/src/interface_v3/group_map.cpp
+++ b/ryzom/client/src/interface_v3/group_map.cpp
@@ -2418,7 +2418,8 @@ void CGroupMap::updateMatchedLandmarks()
 		std::vector<std::pair<string,string> > params;
 		params.clear();
 		params.push_back(std::pair<string,string>("id", toString("lm%d", k)));
-		params.push_back(std::pair<string,string>("tooltip", _MatchedLandmarks[k].Title.toUtf8()));
+		// ctrl base expects utf8 string to start with "u:"
+		params.push_back(std::pair<string,string>("tooltip", "u:" + _MatchedLandmarks[k].Title.toUtf8()));
 		params.push_back(std::pair<string,string>("index", toString(k)));
 
 		CInterfaceGroup *g = CWidgetManager::getInstance()->getParser()->createGroupInstance("lm_search_result", pL->getId(), params);
@@ -2611,7 +2612,7 @@ void CGroupMap::setLandmarkFilter(const std::string &s)
 	if (!s.empty()) {
 		ucstring ucs;
 		ucs.fromUtf8(s);
-		splitUCString(toLower(s), ucstring(" "), _LandmarkFilter);
+		splitUCString(toLower(ucs), ucstring(" "), _LandmarkFilter);
 	}
 
 	// recreate landmarks