diff --git a/doc/ReleaseNotes b/doc/ReleaseNotes
index 90c661c63a..a4a0b49a02 100644
--- a/doc/ReleaseNotes
+++ b/doc/ReleaseNotes
@@ -1,3 +1,21 @@
+------------------------  RELEASE 1.9.3  ------------------------
+
+This issue fixes several bugs that were still found in 1.9.2.
+
+* Fix crash when running in Steam on Linux when using OpenAL
+* Fix crash using wx/tkinter on Mac as long as want-wx/tk is set
+* Fix loading models from 'models' package with models/ prefix
+* Fix random crashes in task system
+* Fix memory leaks in BulletTriangleMesh
+* Fix loading old models with MovingPart<LMatrix4f>
+* Improve performance of CPU vertex animation somewhat
+* Show framebuffer properties when fbprop request fails
+* Fix hang on exit when using Python task on threaded task chain
+* Fix inability to get RGBA renderbuffer in certain cases
+* Work around GLSL issue with #pragma and certain Intel drivers
+* Improve performance of texture load and store operations
+* Fix crashes with pbuffers on Intel cards on Windows
+
 ------------------------  RELEASE 1.9.2  ------------------------
 
 This is a minor bugfix release, fixing a few minor issues that
diff --git a/panda/src/display/graphicsEngine.cxx b/panda/src/display/graphicsEngine.cxx
index 7052db532c..ac2c194195 100644
--- a/panda/src/display/graphicsEngine.cxx
+++ b/panda/src/display/graphicsEngine.cxx
@@ -597,6 +597,9 @@ remove_all_windows() {
   // And, hey, let's stop the vertex paging threads, if any.
   VertexDataPage::stop_threads();
 
+  // Stopping the tasks means we have to release the Python GIL while
+  // this method runs (hence it is marked BLOCKING), so that any
+  // Python tasks on other threads won't deadlock grabbing the GIL.
   AsyncTaskManager::get_global_ptr()->stop_threads();
 
 #ifdef DO_PSTATS
diff --git a/panda/src/display/graphicsEngine.h b/panda/src/display/graphicsEngine.h
index 1775b49e61..89cfb7c616 100644
--- a/panda/src/display/graphicsEngine.h
+++ b/panda/src/display/graphicsEngine.h
@@ -53,7 +53,7 @@ class Texture;
 class EXPCL_PANDA_DISPLAY GraphicsEngine : public ReferenceCount {
 PUBLISHED:
   GraphicsEngine(Pipeline *pipeline = NULL);
-  ~GraphicsEngine();
+  BLOCKING ~GraphicsEngine();
 
   void set_threading_model(const GraphicsThreadingModel &threading_model);
   GraphicsThreadingModel get_threading_model() const;
@@ -94,7 +94,7 @@ PUBLISHED:
 
   bool add_window(GraphicsOutput *window, int sort);
   bool remove_window(GraphicsOutput *window);
-  void remove_all_windows();
+  BLOCKING void remove_all_windows();
   void reset_all_windows(bool swapchain);
 
   bool is_empty() const;
diff --git a/panda/src/gobj/shader.cxx b/panda/src/gobj/shader.cxx
index 4b7c396577..dede60afbc 100644
--- a/panda/src/gobj/shader.cxx
+++ b/panda/src/gobj/shader.cxx
@@ -1625,11 +1625,11 @@ cg_compile_entry_point(const char *entry, const ShaderCaps &caps,
     compiler_args[nargs++] = "ATI_draw_buffers";
   }
 
-  char version_arg[16];
+  string version_arg;
   if (!cg_glsl_version.empty() && active != CG_PROFILE_UNKNOWN &&
       cgGetProfileProperty((CGprofile) active, CG_IS_GLSL_PROFILE)) {
 
-    string version_arg("version=");
+    version_arg = "version=";
     version_arg += cg_glsl_version;
 
     compiler_args[nargs++] = "-po";
diff --git a/panda/src/linmath/lvecBase2_src.I b/panda/src/linmath/lvecBase2_src.I
index 7a8cddc5a0..9ddce8966c 100644
--- a/panda/src/linmath/lvecBase2_src.I
+++ b/panda/src/linmath/lvecBase2_src.I
@@ -393,9 +393,8 @@ INLINE_LINMATH size_t FLOATNAME(LVecBase2)::
 add_hash(size_t hash) const {
   TAU_PROFILE("size_t LVecBase2::add_hash(size_t)", " ", TAU_USER);
 #ifdef FLOATTYPE_IS_INT
-  int_hash ihasher;
-  hash = ihasher.add_hash(hash, _v(0));
-  hash = ihasher.add_hash(hash, _v(1));
+  hash = int_hash::add_hash(hash, _v(0));
+  hash = int_hash::add_hash(hash, _v(1));
   return hash;
 #else
   return add_hash(hash, NEARLY_ZERO(FLOATTYPE));
diff --git a/panda/src/linmath/lvecBase3_src.I b/panda/src/linmath/lvecBase3_src.I
index ec9cc7be39..b7011da0ca 100644
--- a/panda/src/linmath/lvecBase3_src.I
+++ b/panda/src/linmath/lvecBase3_src.I
@@ -528,10 +528,9 @@ INLINE_LINMATH size_t FLOATNAME(LVecBase3)::
 add_hash(size_t hash) const {
   TAU_PROFILE("size_t LVecBase3::add_hash(size_t)", " ", TAU_USER);
 #ifdef FLOATTYPE_IS_INT
-  int_hash ihasher;
-  hash = ihasher.add_hash(hash, _v(0));
-  hash = ihasher.add_hash(hash, _v(1));
-  hash = ihasher.add_hash(hash, _v(2));
+  hash = int_hash::add_hash(hash, _v(0));
+  hash = int_hash::add_hash(hash, _v(1));
+  hash = int_hash::add_hash(hash, _v(2));
   return hash;
 #else
   return add_hash(hash, NEARLY_ZERO(FLOATTYPE));
diff --git a/panda/src/linmath/lvecBase4_src.I b/panda/src/linmath/lvecBase4_src.I
index 6771e563ff..7890a6f8f0 100644
--- a/panda/src/linmath/lvecBase4_src.I
+++ b/panda/src/linmath/lvecBase4_src.I
@@ -521,11 +521,10 @@ INLINE_LINMATH size_t FLOATNAME(LVecBase4)::
 add_hash(size_t hash) const {
   TAU_PROFILE("size_t LVecBase4::add_hash(size_t)", " ", TAU_USER);
 #ifdef FLOATTYPE_IS_INT
-  int_hash ihasher;
-  hash = ihasher.add_hash(hash, _v(0));
-  hash = ihasher.add_hash(hash, _v(1));
-  hash = ihasher.add_hash(hash, _v(2));
-  hash = ihasher.add_hash(hash, _v(3));
+  hash = int_hash::add_hash(hash, _v(0));
+  hash = int_hash::add_hash(hash, _v(1));
+  hash = int_hash::add_hash(hash, _v(2));
+  hash = int_hash::add_hash(hash, _v(3));
   return hash;
 #else
   return add_hash(hash, NEARLY_ZERO(FLOATTYPE));
diff --git a/panda/src/pnmimagetypes/pnmFileTypeBMPReader.cxx b/panda/src/pnmimagetypes/pnmFileTypeBMPReader.cxx
index 8d5336b75b..5d33812216 100644
--- a/panda/src/pnmimagetypes/pnmFileTypeBMPReader.cxx
+++ b/panda/src/pnmimagetypes/pnmFileTypeBMPReader.cxx
@@ -226,7 +226,7 @@ BMPreadinfoheader(
          * for the required total.
          */
         if (classv != C_OS2) {
-            for (int i = 0; i < cbFix - 16; i += 4) {
+            for (int i = 0; i < (int)cbFix - 16; i += 4) {
                 GetLong(fp);
             }
         }
diff --git a/panda/src/pnmimagetypes/pnmFileTypePNM.cxx b/panda/src/pnmimagetypes/pnmFileTypePNM.cxx
index d1ada1a078..efbee9e646 100644
--- a/panda/src/pnmimagetypes/pnmFileTypePNM.cxx
+++ b/panda/src/pnmimagetypes/pnmFileTypePNM.cxx
@@ -649,10 +649,10 @@ writePackedRawRow(ostream *                const fileP,
                   const unsigned char * const packed_bits,
                   int                   const cols) {
 
-  int bytesWritten;
   fileP->write((const char *)packed_bits, pbm_packed_bytes(cols));
-  if (fileP->fail())
+  if (fileP->fail()) {
     pm_error("I/O error writing packed row to raw PBM file.");
+  }
 }
 
 static void
diff --git a/panda/src/rocket/rocketRegion_ext.cxx b/panda/src/rocket/rocketRegion_ext.cxx
index adc73a219e..cb79f467a1 100644
--- a/panda/src/rocket/rocketRegion_ext.cxx
+++ b/panda/src/rocket/rocketRegion_ext.cxx
@@ -40,7 +40,8 @@ get_context() const {
     context->AddReference();
     return py_context.ptr();
 
-  } catch (const python::error_already_set& e) {
+  } catch (const python::error_already_set &e) {
+    (void)e;
     // Return NULL, which will trigger the exception in Python
   }
   return NULL;