diff --git a/BACKERS.md b/BACKERS.md
index 86fc18b77d..c34cb2a9d3 100644
--- a/BACKERS.md
+++ b/BACKERS.md
@@ -34,6 +34,7 @@ This is a list of all the people who are contributing financially to Panda3D.  I
 * Kyle Roach
 * Brian Lach
 * C0MPU73R
+* Maxwell Dreytser
 
 ## Backers
 
diff --git a/README.md b/README.md
index ea26bce2ef..2139a61a68 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Installing Panda3D
 ==================
 
 The latest Panda3D SDK can be downloaded from
-[this page](https://www.panda3d.org/download/sdk-1-10-9/).
+[this page](https://www.panda3d.org/download/sdk-1-10-10/).
 If you are familiar with installing Python packages, you can use
 the following command:
 
@@ -64,8 +64,8 @@ depending on whether you are on a 32-bit or 64-bit system, or you can
 [click here](https://github.com/rdb/panda3d-thirdparty) for instructions on
 building them from source.
 
-- https://www.panda3d.org/download/panda3d-1.10.9/panda3d-1.10.9-tools-win64.zip
-- https://www.panda3d.org/download/panda3d-1.10.9/panda3d-1.10.9-tools-win32.zip
+- https://www.panda3d.org/download/panda3d-1.10.10/panda3d-1.10.10-tools-win64.zip
+- https://www.panda3d.org/download/panda3d-1.10.10/panda3d-1.10.10-tools-win32.zip
 
 After acquiring these dependencies, you can build Panda3D from the command
 prompt using the following command.  Change the `--msvc-version` option based
@@ -136,7 +136,7 @@ macOS
 -----
 
 On macOS, you will need to download a set of precompiled thirdparty packages in order to
-compile Panda3D, which can be acquired from [here](https://www.panda3d.org/download/panda3d-1.10.9/panda3d-1.10.9-tools-mac.tar.gz).
+compile Panda3D, which can be acquired from [here](https://www.panda3d.org/download/panda3d-1.10.10/panda3d-1.10.10-tools-mac.tar.gz).
 
 After placing the thirdparty directory inside the panda3d source directory,
 you may build Panda3D using a command like the following:
diff --git a/doc/ReleaseNotes b/doc/ReleaseNotes
index d11b49b772..ccf0a771c3 100644
--- a/doc/ReleaseNotes
+++ b/doc/ReleaseNotes
@@ -1,3 +1,36 @@
+-----------------------  RELEASE 1.10.10  -----------------------
+
+This release fixes assorted, mostly very minor bugs.
+
+* Round refresh rates when choosing display mode on macOS (#1144)
+* Vectors now support floor division
+* It is now possible to use round(), ceil() and floor() with vector types
+* Add RenderState::get_unused_states()
+* Fix assertion error in RenderState::get_num_unused_states()
+* Fix Assimp loader not importing normal vectors correctly (#1163)
+* Fix error when trying to render DirectGUI in offscreen mode (#1174)
+* Fix crash when resizing window in multi-window DirectX 9 application (#1167)
+* Fixes to enable compilation with recent OpenEXR and FFMpeg versions
+* Fix draw callback being called twice if cull callback calls upcall()
+* Improve error message when display module fails to load
+* Fix writing/reading BitArray to/from bam files on 64-bit systems (#1181)
+* evdev input devices (such as gamepads) are now supported in FreeBSD as well
+* Panda no longer tries to compress buffer textures when compression is enabled
+* Fix Geom::make_lines_in_place() (& points, patches) leaving invalid state
+* Fix memory leak when cleaning up FilterManager (#1166)
+* Fix memory leak deleting multisample OpenGL FBOs (#1166)
+* Fix auto-binding of SSBOs sometimes causing overlapping bindings (#1176)
+* PSSMCameraRig::update() now accepts a camera node directly
+* Support copying depth buffer for 32-bit depth with 8-bit stencil (#1142)
+* Prevent trying to copy depth from non-depth buffer in OpenGL renderer (#1142)
+* Fixes to format selection for OpenGL renderbuffers (#1137, #1141)
+* gl-depth-zero-to-one is now supported in OpenGL ES 2+ (if driver supports)
+* Maya models can contain more than three eggObjectTypes (#1134)
+* Fix black screen on Linux when switching fullscreen without a WM active
+* Fix Linux crash when trying to load a directory instead of a file (#1140)
+* Fix crash when loading an invalid font
+* Fix a very obscure unintended DirectGUI behavior change in 1.10.9
+
 ------------------------  RELEASE 1.10.9  -----------------------
 
 This is a bugfix release which addresses some severe issues on macOS, as well as
diff --git a/dtool/src/interrogatedb/py_wrappers.cxx b/dtool/src/interrogatedb/py_wrappers.cxx
index e0a31803ed..7a7b0eb6c5 100644
--- a/dtool/src/interrogatedb/py_wrappers.cxx
+++ b/dtool/src/interrogatedb/py_wrappers.cxx
@@ -371,7 +371,7 @@ static PyObject *Dtool_MutableSequenceWrapper_insert(PyObject *self, PyObject *a
       return PyErr_Format(PyExc_TypeError, "%s.insert() does not support negative indices", wrap->_base._name);
     }
   }
-  return wrap->_insert_func(wrap->_base._self, (ssize_t)std::max(index, (Py_ssize_t)0), PyTuple_GET_ITEM(args, 1));
+  return wrap->_insert_func(wrap->_base._self, (size_t)std::max(index, (Py_ssize_t)0), PyTuple_GET_ITEM(args, 1));
 }
 
 /**
diff --git a/panda/src/collide/collisionTraverser_ext.cxx b/panda/src/collide/collisionTraverser_ext.cxx
index 65b934be5b..a982f41029 100644
--- a/panda/src/collide/collisionTraverser_ext.cxx
+++ b/panda/src/collide/collisionTraverser_ext.cxx
@@ -60,7 +60,7 @@ __setstate__(PyObject *state) {
   _this->set_name(std::string(data, len));
 
   _this->set_respect_prev_transform(PyTuple_GET_ITEM(state, 1) != Py_False);
-  size_t num_colliders = (ssize_t)PyLong_AsLong(PyTuple_GET_ITEM(state, 2));
+  size_t num_colliders = (size_t)PyLong_AsLong(PyTuple_GET_ITEM(state, 2));
 
   for (size_t i = 0; i < num_colliders; ++i) {
     NodePath *collider = (NodePath *)DtoolInstance_VOID_PTR(PyTuple_GET_ITEM(state, i * 2 + 3));
diff --git a/panda/src/express/trueClock.cxx b/panda/src/express/trueClock.cxx
index 1df988e563..710473782d 100644
--- a/panda/src/express/trueClock.cxx
+++ b/panda/src/express/trueClock.cxx
@@ -231,10 +231,12 @@ correct_time(double time) {
     // backward in the high-precision clock, since this does appear to happen
     // in a threaded environment.
 
-    clock_cat.debug()
-      << "Clock error detected; elapsed time " << time_delta
-      << "s on high-resolution counter, and " << tod_delta
-      << "s on time-of-day clock.\n";
+    if (clock_cat.is_debug()) {
+      clock_cat.debug()
+        << "Clock error detected; elapsed time " << time_delta
+        << "s on high-resolution counter, and " << tod_delta
+        << "s on time-of-day clock.\n";
+    }
     ++_error_count;
 
     // If both are negative, we call it 0.  If one is negative, we trust the
diff --git a/panda/src/gles2gsg/gles2gsg.h b/panda/src/gles2gsg/gles2gsg.h
index c328c99ac4..044ac72991 100644
--- a/panda/src/gles2gsg/gles2gsg.h
+++ b/panda/src/gles2gsg/gles2gsg.h
@@ -120,6 +120,8 @@ typedef char GLchar;
 #define GL_ONE_MINUS_SRC1_COLOR GL_ONE_MINUS_SRC1_COLOR_EXT
 #define GL_SRC1_ALPHA GL_SRC1_ALPHA_EXT
 #define GL_ONE_MINUS_SRC1_ALPHA GL_ONE_MINUS_SRC1_ALPHA_EXT
+#define GL_LOWER_LEFT GL_LOWER_LEFT_EXT
+#define GL_ZERO_TO_ONE GL_ZERO_TO_ONE_EXT
 
 #define GL_DEBUG_OUTPUT_SYNCHRONOUS GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR
 #define GL_DEBUG_TYPE_PERFORMANCE GL_DEBUG_TYPE_PERFORMANCE_KHR
diff --git a/panda/src/gles2gsg/panda_esgl2ext.h b/panda/src/gles2gsg/panda_esgl2ext.h
index 6d5258fff0..a95d9b001b 100644
--- a/panda/src/gles2gsg/panda_esgl2ext.h
+++ b/panda/src/gles2gsg/panda_esgl2ext.h
@@ -1050,6 +1050,30 @@ GL_APICALL void GL_APIENTRY glBufferStorageEXT (GLenum target, GLsizeiptr size,
 #endif
 #endif /* GL_EXT_buffer_storage */
 
+#ifndef GL_EXT_clear_texture
+#define GL_EXT_clear_texture 1
+typedef void (GL_APIENTRYP PFNGLCLEARTEXIMAGEEXTPROC) (GLuint texture, GLint level, GLenum format, GLenum type, const void *data);
+typedef void (GL_APIENTRYP PFNGLCLEARTEXSUBIMAGEEXTPROC) (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glClearTexImageEXT (GLuint texture, GLint level, GLenum format, GLenum type, const void *data);
+GL_APICALL void GL_APIENTRY glClearTexSubImageEXT (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
+#endif
+#endif /* GL_EXT_clear_texture */
+
+#ifndef GL_EXT_clip_control
+#define GL_EXT_clip_control 1
+#define GL_LOWER_LEFT_EXT                 0x8CA1
+#define GL_UPPER_LEFT_EXT                 0x8CA2
+#define GL_NEGATIVE_ONE_TO_ONE_EXT        0x935E
+#define GL_ZERO_TO_ONE_EXT                0x935F
+#define GL_CLIP_ORIGIN_EXT                0x935C
+#define GL_CLIP_DEPTH_MODE_EXT            0x935D
+typedef void (GL_APIENTRYP PFNGLCLIPCONTROLEXTPROC) (GLenum origin, GLenum depth);
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glClipControlEXT (GLenum origin, GLenum depth);
+#endif
+#endif /* GL_EXT_clip_control */
+
 #ifndef GL_EXT_color_buffer_float
 #define GL_EXT_color_buffer_float 1
 #endif /* GL_EXT_color_buffer_float */
diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index e4e778326a..5c065b6a9b 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -1104,6 +1104,18 @@ reset() {
       _supports_clear_texture = true;
     }
   }
+#elif !defined(OPENGLES_1)
+  if (has_extension("GL_EXT_clear_texture")) {
+    _glClearTexImage = (PFNGLCLEARTEXIMAGEEXTPROC)
+      get_extension_func("glClearTexImageEXT");
+
+    if (_glClearTexImage == nullptr) {
+      GLCAT.warning()
+        << "GL_EXT_clear_texture advertised as supported by OpenGL runtime, but could not get pointers to extension function.\n";
+    } else {
+      _supports_clear_texture = true;
+    }
+  }
 #endif
 
   _supports_clear_buffer = false;
@@ -3319,23 +3331,30 @@ reset() {
 #endif
 
   // Set depth range from zero to one if requested.
-#ifndef OPENGLES
+#ifndef OPENGLES_1
   _use_depth_zero_to_one = false;
   _use_remapped_depth_range = false;
 
   if (gl_depth_zero_to_one) {
+#ifndef OPENGLES
+    PFNGLCLIPCONTROLPROC pglClipControl = nullptr;
     if (is_at_least_gl_version(4, 5) || has_extension("GL_ARB_clip_control")) {
-      PFNGLCLIPCONTROLPROC pglClipControl =
-        (PFNGLCLIPCONTROLPROC)get_extension_func("glClipControl");
+      pglClipControl = (PFNGLCLIPCONTROLPROC)get_extension_func("glClipControl");
+    }
+#else
+    PFNGLCLIPCONTROLEXTPROC pglClipControl = nullptr;
+    if (has_extension("GL_EXT_clip_control")) {
+      pglClipControl = (PFNGLCLIPCONTROLEXTPROC)get_extension_func("glClipControlEXT");
+    }
+#endif
 
-      if (pglClipControl != nullptr) {
-        pglClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
-        _use_depth_zero_to_one = true;
+    if (pglClipControl != nullptr) {
+      pglClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
+      _use_depth_zero_to_one = true;
 
-        if (GLCAT.is_debug()) {
-          GLCAT.debug()
-            << "Set zero-to-one depth using glClipControl\n";
-        }
+      if (GLCAT.is_debug()) {
+        GLCAT.debug()
+          << "Set zero-to-one depth using glClipControl\n";
       }
     }/* else if (has_extension("GL_NV_depth_buffer_float")) {
       // Alternatively, all GeForce 8+ and even some AMD drivers support this
diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.h b/panda/src/glstuff/glGraphicsStateGuardian_src.h
index 1bc31174c8..8aecf8c852 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.h
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.h
@@ -229,10 +229,10 @@ typedef void (APIENTRYP PFNGLPROGRAMBINARYPROC) (GLuint program, GLenum binaryFo
 typedef void (APIENTRYP PFNGLGETINTERNALFORMATIVPROC) (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint *params);
 typedef void (APIENTRYP PFNGLBUFFERSTORAGEPROC) (GLenum target, GLsizeiptr size, const void *data, GLbitfield flags);
 typedef void (APIENTRYP PFNGLBINDIMAGETEXTUREPROC) (GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format);
-#endif  // OPENGLES_1
-#ifndef OPENGLES
 typedef void (APIENTRYP PFNGLCLEARTEXIMAGEPROC) (GLuint texture, GLint level, GLenum format, GLenum type, const void *data);
 typedef void (APIENTRYP PFNGLCLEARTEXSUBIMAGEPROC) (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
+#endif  // OPENGLES_1
+#ifndef OPENGLES
 typedef void (APIENTRYP PFNGLBINDTEXTURESPROC) (GLuint first, GLsizei count, const GLuint *textures);
 typedef void (APIENTRYP PFNGLBINDSAMPLERSPROC) (GLuint first, GLsizei count, const GLuint *samplers);
 typedef void (APIENTRYP PFNGLBINDIMAGETEXTURESPROC) (GLuint first, GLsizei count, const GLuint *textures);
@@ -767,9 +767,11 @@ protected:
 #endif
 
 public:
-#ifndef OPENGLES
+#ifndef OPENGLES_1
   bool _use_depth_zero_to_one;
   bool _use_remapped_depth_range;
+#endif
+#ifndef OPENGLES
   PFNGLDEPTHRANGEDNVPROC _glDepthRangedNV;
 #endif
 #ifndef OPENGLES_1
@@ -811,7 +813,7 @@ public:
 #endif
 
   bool _supports_clear_texture;
-#ifndef OPENGLES
+#ifndef OPENGLES_1
   PFNGLCLEARTEXIMAGEPROC _glClearTexImage;
   PFNGLCLEARTEXSUBIMAGEPROC _glClearTexSubImage;
 #endif
diff --git a/panda/src/pgraph/nodePath.cxx b/panda/src/pgraph/nodePath.cxx
index c6ea2bff6b..e9d5a5106c 100644
--- a/panda/src/pgraph/nodePath.cxx
+++ b/panda/src/pgraph/nodePath.cxx
@@ -310,6 +310,8 @@ get_sort(Thread *current_thread) const {
  * Searches for a node below the referenced node that matches the indicated
  * string.  Returns the shortest match found, if any, or an empty NodePath if
  * no match can be found.
+ *
+ * The referenced node itself is not considered in the search.
  */
 NodePath NodePath::
 find(const string &path) const {
@@ -350,6 +352,8 @@ find_path_to(PandaNode *node) const {
 /**
  * Returns the complete set of all NodePaths that begin with this NodePath and
  * can be extended by path.  The shortest paths will be listed first.
+ *
+ * The referenced node itself is not considered in the search.
  */
 NodePathCollection NodePath::
 find_all_matches(const string &path) const {
diff --git a/setup.cfg b/setup.cfg
index d10fc40455..61d8d4ded7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,7 @@ classifiers =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: Implementation :: CPython
     Topic :: Games/Entertainment
     Topic :: Multimedia