diff --git a/include/wx/apptrait.h b/include/wx/apptrait.h
index f459bbe908..d69a7b964c 100644
--- a/include/wx/apptrait.h
+++ b/include/wx/apptrait.h
@@ -130,7 +130,9 @@ public:
     // runtime (not compile-time) version.
     // returns wxPORT_BASE for console applications and one of the remaining
     // wxPORT_* values for GUI applications.
-    virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const = 0;
+    virtual wxPortId GetToolkitVersion(int *majVer = NULL,
+                                       int *minVer = NULL,
+                                       int *microVer = NULL) const = 0;
 
     // return true if the port is using wxUniversal for the GUI, false if not
     virtual bool IsUsingUniversalWidgets() const = 0;
@@ -209,13 +211,16 @@ public:
     virtual bool HasStderr() wxOVERRIDE;
 
     // the GetToolkitVersion for console application is always the same
-    virtual wxPortId GetToolkitVersion(int *verMaj = NULL, int *verMin = NULL) const wxOVERRIDE
+    wxPortId GetToolkitVersion(int *verMaj = NULL,
+                               int *verMin = NULL,
+                               int *verMicro = NULL) const wxOVERRIDE
     {
         // no toolkits (wxBase is for console applications without GUI support)
         // NB: zero means "no toolkit", -1 means "not initialized yet"
         //     so we must use zero here!
         if (verMaj) *verMaj = 0;
         if (verMin) *verMin = 0;
+        if (verMicro) *verMicro = 0;
         return wxPORT_BASE;
     }
 
diff --git a/include/wx/msw/apptrait.h b/include/wx/msw/apptrait.h
index 6a968fe1ab..d7466482a6 100644
--- a/include/wx/msw/apptrait.h
+++ b/include/wx/msw/apptrait.h
@@ -49,7 +49,9 @@ public:
     virtual bool DoMessageFromThreadWait();
     virtual WXDWORD WaitForThread(WXHANDLE hThread, int flags);
 #endif // wxUSE_THREADS
-    virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const;
+    wxPortId GetToolkitVersion(int *majVer = NULL,
+                               int *minVer = NULL,
+                               int *microVer = NULL) const wxOVERRIDE;
 
     virtual bool CanUseStderr();
     virtual bool WriteToStderr(const wxString& text);
@@ -77,7 +79,9 @@ public:
     virtual WXDWORD WaitForThread(WXHANDLE hThread, int WXUNUSED(flags))
         { return DoSimpleWaitForThread(hThread); }
 #endif // wxUSE_THREADS
-    virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const;
+    virtual wxPortId GetToolkitVersion(int *majVer = NULL,
+                                       int *minVer = NULL,
+                                       int *microVer = NULL) const;
 
     virtual bool CanUseStderr() { return false; }
     virtual bool WriteToStderr(const wxString& WXUNUSED(text)) { return false; }
diff --git a/include/wx/platinfo.h b/include/wx/platinfo.h
index 178e3c6898..cc13959567 100644
--- a/include/wx/platinfo.h
+++ b/include/wx/platinfo.h
@@ -198,15 +198,17 @@ public:
         { return m_tkVersionMajor; }
     int GetToolkitMinorVersion() const
         { return m_tkVersionMinor; }
+    int GetToolkitMicroVersion() const
+        { return m_tkVersionMicro; }
 
-    bool CheckToolkitVersion(int major, int minor) const
+    bool CheckToolkitVersion(int major, int minor, int micro = 0) const
     {
         return DoCheckVersion(GetToolkitMajorVersion(),
                               GetToolkitMinorVersion(),
-                              0,
+                              GetToolkitMicroVersion(),
                               major,
                               minor,
-                              0);
+                              micro);
     }
 
     bool IsUsingUniversalWidgets() const
@@ -260,8 +262,12 @@ public:
         m_osVersionMicro = micro;
     }
 
-    void SetToolkitVersion(int major, int minor)
-        { m_tkVersionMajor=major; m_tkVersionMinor=minor; }
+    void SetToolkitVersion(int major, int minor, int micro = 0)
+    {
+        m_tkVersionMajor = major;
+        m_tkVersionMinor = minor;
+        m_tkVersionMicro = micro;
+    }
 
     void SetOperatingSystemId(wxOperatingSystemId n)
         { m_os = n; }
@@ -290,6 +296,7 @@ public:
                m_os != wxOS_UNKNOWN &&
                !m_osDesc.IsEmpty() &&
                m_tkVersionMajor != -1 && m_tkVersionMinor != -1 &&
+               m_tkVersionMicro != -1 &&
                m_port != wxPORT_UNKNOWN &&
                m_arch != wxARCH_INVALID &&
                m_endian != wxENDIAN_INVALID;
@@ -340,7 +347,7 @@ protected:
 
     // Version of the underlying toolkit
     // (-1 means not initialized yet; zero means no toolkit).
-    int m_tkVersionMajor, m_tkVersionMinor;
+    int m_tkVersionMajor, m_tkVersionMinor, m_tkVersionMicro;
 
     // name of the wxWidgets port
     wxPortId m_port;
diff --git a/include/wx/unix/apptrait.h b/include/wx/unix/apptrait.h
index 509007c51b..dc96980526 100644
--- a/include/wx/unix/apptrait.h
+++ b/include/wx/unix/apptrait.h
@@ -61,7 +61,9 @@ public:
 #if defined(__WXMAC__) && wxUSE_STDPATHS
     virtual wxStandardPaths& GetStandardPaths() wxOVERRIDE;
 #endif
-    virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const wxOVERRIDE;
+    wxPortId GetToolkitVersion(int *majVer = NULL,
+                               int *minVer = NULL,
+                               int *microVer = NULL) const wxOVERRIDE;
 
 #ifdef __WXGTK20__
     virtual wxString GetDesktopEnvironment() const wxOVERRIDE;
diff --git a/interface/wx/apptrait.h b/interface/wx/apptrait.h
index d4f8ff10d3..9eff45d838 100644
--- a/interface/wx/apptrait.h
+++ b/interface/wx/apptrait.h
@@ -100,8 +100,8 @@ public:
 
     /**
         Returns the wxWidgets port ID used by the running program and eventually
-        fills the given pointers with the values of the major and minor digits
-        of the native toolkit currently used.
+        fills the given pointers with the values of the major, minor, and micro
+        digits of the native toolkit currently used.
 
         The version numbers returned are thus detected at run-time and not compile-time
         (except when this is not possible e.g. wxMotif).
@@ -109,8 +109,12 @@ public:
         E.g. if your program is using wxGTK port this function will return wxPORT_GTK
         and put in given pointers the versions of the GTK library in use.
         See wxPlatformInfo for more details.
+
+        If a micro version is not available it will have a value of 0.
     */
-    virtual wxPortId GetToolkitVersion(int* major = NULL, int* minor = NULL) const = 0;
+    virtual wxPortId GetToolkitVersion(int* major = NULL,
+                                       int* minor = NULL,
+                                       int* micro = NULL) const = 0;
 
     /**
         Returns @true if @c fprintf(stderr) goes somewhere, @false otherwise.
diff --git a/interface/wx/platinfo.h b/interface/wx/platinfo.h
index c3bf10d507..7df238c535 100644
--- a/interface/wx/platinfo.h
+++ b/interface/wx/platinfo.h
@@ -185,13 +185,12 @@ public:
     bool CheckOSVersion(int major, int minor, int micro = 0) const;
 
     /**
-        Returns @true if the toolkit version is at least @c major.minor.
+        Returns @true if the toolkit version is at least @c major.minor.micro.
 
-        @see GetToolkitMajorVersion(),
-             GetToolkitMinorVersion(), CheckOSVersion()
+        @see GetToolkitMajorVersion(), GetToolkitMinorVersion(),
+             GetToolkitMicroVersion(), CheckOSVersion()
     */
-    bool CheckToolkitVersion(int major, int minor) const;
-    
+    bool CheckToolkitVersion(int major, int minor, int micro = 0) const;
 
     /**
         Returns @true if this instance is fully initialized with valid values.
@@ -417,6 +416,21 @@ public:
     */
     int GetToolkitMinorVersion() const;
     
+    /**
+        Returns the run-time micro version of the toolkit associated with this
+        wxPlatformInfo instance.
+
+        Note that if GetPortId() returns @c wxPORT_BASE, then this value is zero
+        (unless externally modified with SetToolkitVersion()); that is, no native
+        toolkit is in use.
+        See wxAppTraits::GetToolkitVersion() for more info.
+
+        @see CheckToolkitVersion()
+
+        @since 3.1.1
+    */
+    int GetToolkitMicroVersion() const;
+    
     //@}
 
 
@@ -497,7 +511,7 @@ public:
     /**
         Sets the version of the toolkit associated with this wxPlatformInfo instance.
     */
-    void SetToolkitVersion(int major, int minor);
+    void SetToolkitVersion(int major, int minor, int micro = 0);
 
     /**
         Sets the operating system description associated with this wxPlatformInfo instance.
diff --git a/src/common/platinfo.cpp b/src/common/platinfo.cpp
index 0bbbf1fb61..cd6f4862eb 100644
--- a/src/common/platinfo.cpp
+++ b/src/common/platinfo.cpp
@@ -139,6 +139,7 @@ wxPlatformInfo::wxPlatformInfo(wxPortId pid, int tkMajor, int tkMinor,
 
     m_tkVersionMajor = tkMajor;
     m_tkVersionMinor = tkMinor;
+    m_tkVersionMicro = -1;
     m_port = pid;
     m_usingUniversal = usingUniversal;
 
@@ -155,6 +156,7 @@ bool wxPlatformInfo::operator==(const wxPlatformInfo &t) const
 {
     return m_tkVersionMajor == t.m_tkVersionMajor &&
            m_tkVersionMinor == t.m_tkVersionMinor &&
+           m_tkVersionMicro == t.m_tkVersionMicro &&
            m_osVersionMajor == t.m_osVersionMajor &&
            m_osVersionMinor == t.m_osVersionMinor &&
            m_osVersionMicro == t.m_osVersionMicro &&
@@ -181,11 +183,12 @@ void wxPlatformInfo::InitForCurrentPlatform()
         m_port = wxPORT_UNKNOWN;
         m_usingUniversal = false;
         m_tkVersionMajor =
-                m_tkVersionMinor = 0;
+                m_tkVersionMinor = m_tkVersionMicro = 0;
     }
     else
     {
-        m_port = traits->GetToolkitVersion(&m_tkVersionMajor, &m_tkVersionMinor);
+        m_port = traits->GetToolkitVersion(&m_tkVersionMajor, &m_tkVersionMinor,
+                                           &m_tkVersionMicro);
         m_usingUniversal = traits->IsUsingUniversalWidgets();
         m_desktopEnv = traits->GetDesktopEnvironment();
     }
diff --git a/src/dfb/utils.cpp b/src/dfb/utils.cpp
index 4c9c853275..57e9a3d1a1 100644
--- a/src/dfb/utils.cpp
+++ b/src/dfb/utils.cpp
@@ -30,10 +30,13 @@
 // toolkit info
 // ----------------------------------------------------------------------------
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     if ( verMaj ) *verMaj = DIRECTFB_MAJOR_VERSION;
     if ( verMin ) *verMaj = DIRECTFB_MINOR_VERSION;
+    if ( verMicro ) *verMicro = DIRECTFB_MICRO_VERSION;
 
     return wxPORT_DFB;
 }
diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index 36c5013722..a4e3895ffb 100644
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -183,12 +183,16 @@ const gchar *wx_pango_version_check (int major, int minor, int micro)
 // wxPlatformInfo-related
 // ----------------------------------------------------------------------------
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     if ( verMaj )
         *verMaj = gtk_major_version;
     if ( verMin )
         *verMin = gtk_minor_version;
+    if ( verMicro )
+        *verMicro = gtk_micro_version;
 
     return wxPORT_GTK;
 }
diff --git a/src/gtk1/utilsgtk.cpp b/src/gtk1/utilsgtk.cpp
index 4b1b170f74..c912fc9a9a 100644
--- a/src/gtk1/utilsgtk.cpp
+++ b/src/gtk1/utilsgtk.cpp
@@ -136,12 +136,16 @@ wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 // wxPlatformInfo-related
 // ----------------------------------------------------------------------------
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     if ( verMaj )
         *verMaj = gtk_major_version;
     if ( verMin )
         *verMin = gtk_minor_version;
+    if ( verMicro )
+        *verMicro = gtk_micro_version;
 
     return wxPORT_GTK;
 }
diff --git a/src/motif/utils.cpp b/src/motif/utils.cpp
index 4700c3c329..d440bb0887 100644
--- a/src/motif/utils.cpp
+++ b/src/motif/utils.cpp
@@ -176,13 +176,17 @@ void wxBell()
     XBell (wxGlobalDisplay(), 0);
 }
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     // XmVERSION and XmREVISION are defined in Xm/Xm.h
     if ( verMaj )
         *verMaj = XmVERSION;
     if ( verMin )
         *verMin = XmREVISION;
+    if ( verMicro )
+        *verMicro = 0;
 
     return wxPORT_MOTIF;
 }
diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 860bde87e3..e808d98e97 100644
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -238,11 +238,13 @@ WXDWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread, int flags)
 }
 #endif // wxUSE_THREADS
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer,
+                                           int *minVer,
+                                           int *microVer) const
 {
     // on Windows, the toolkit version is the same of the OS version
     // as Windows integrates the OS kernel with the GUI toolkit.
-    wxGetOsVersion(majVer, minVer);
+    wxGetOsVersion(majVer, minVer, microVer);
 
     return wxPORT_MSW;
 }
diff --git a/src/osx/utils_osx.cpp b/src/osx/utils_osx.cpp
index 70e2c66096..d71457c676 100644
--- a/src/osx/utils_osx.cpp
+++ b/src/osx/utils_osx.cpp
@@ -169,10 +169,12 @@ void wxDisplaySizeMM(int *width, int *height)
 }
 
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     // We suppose that toolkit version is the same as OS version under Mac
-    wxGetOsVersion(verMaj, verMin);
+    wxGetOsVersion(verMaj, verMin, verMicro);
 
     return wxPORT_OSX;
 }
diff --git a/src/qt/apptraits.cpp b/src/qt/apptraits.cpp
index 1c9dfdd55d..2f747d7fb9 100644
--- a/src/qt/apptraits.cpp
+++ b/src/qt/apptraits.cpp
@@ -39,12 +39,16 @@ wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 
 // #endif
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer,
+                                           int *minVer,
+                                           int *microVer) const
 {
     if ( majVer )
         *majVer = QT_VERSION >> 16;
     if ( minVer )
         *minVer = (QT_VERSION >> 8) & 0xFF;
+    if ( microVer )
+        *microVer = QT_VERSION & 0xFF;
 
     return wxPORT_QT;
 }
diff --git a/src/x11/utils.cpp b/src/x11/utils.cpp
index 6bbb103242..bd80ba5769 100644
--- a/src/x11/utils.cpp
+++ b/src/x11/utils.cpp
@@ -100,7 +100,9 @@ void wxBell()
     XBell ((Display*) wxGetDisplay(), 0);
 }
 
-wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj,
+                                           int *verMin,
+                                           int *verMicro) const
 {
     // get X protocol version
     Display *display = wxGlobalDisplay();
@@ -110,6 +112,8 @@ wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
             *verMaj = ProtocolVersion (display);
         if ( verMin )
             *verMin = ProtocolRevision (display);
+        if ( verMicro )
+            *verMicro = 0;
     }
 
     return wxPORT_X11;