diff --git a/.ci_support/win_64_.yaml b/.ci_support/win_64_.yaml
index e8a62efb..bdd15b3a 100644
--- a/.ci_support/win_64_.yaml
+++ b/.ci_support/win_64_.yaml
@@ -29,5 +29,3 @@ qt:
 - '5.12'
 target_platform:
 - win-64
-tbb_devel:
-- '2020'
diff --git a/recipe/2906.patch b/recipe/2906.patch
deleted file mode 100644
index 5a86ad14..00000000
--- a/recipe/2906.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From d05c6a0782bf02651a8e1d971fc42601a6adfb15 Mon Sep 17 00:00:00 2001
-From: Silvio Traversaro <silvio@traversaro.it>
-Date: Sat, 12 Dec 2020 15:57:49 +0100
-Subject: [PATCH] Fix find_package(gazebo) on Windows
-
-Fix https://github.com/osrf/gazebo/issues/2905
----
- CMakeLists.txt | 15 +++++++++++++--
- 1 file changed, 13 insertions(+), 2 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 84489b6f9f..277aac87e1 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -434,8 +434,19 @@ else (build_errors)
-   # Order is important, if A depends on B, please add B after A.
-   # The list should have at the very end the libraries
-   # without internal interdependencies
--  set(PKG_LIBRARIES
--    gazebo
-+  
-+  # The gazebo library on Windows is called libgazebo to avoid 
-+  # conflicts with the gazebo executable
-+  if(NOT WIN32)
-+    set(PKG_LIBRARIES
-+      gazebo
-+    )
-+  else()
-+    set(PKG_LIBRARIES
-+      libgazebo
-+    )
-+  endif()  
-+  set(PKG_LIBRARIES ${PKG_LIBRARIES}
-     gazebo_client
-     gazebo_gui
-     gazebo_sensors
diff --git a/recipe/bld.bat b/recipe/bld.bat
index 0e5cae1d..a7b2eece 100644
--- a/recipe/bld.bat
+++ b/recipe/bld.bat
@@ -17,6 +17,7 @@ cmake ^
     -DTBB_INCLUDEDIR=%LIBRARY_PREFIX%\include ^
     -DTBB_LIBRARY_DIR=%LIBRARY_PREFIX%\lib ^
     -DUSE_EXTERNAL_TINY_PROCESS_LIBRARY=ON ^
+    -DHAVE_OPENAL:BOOL=OFF ^
     %SRC_DIR%
 if errorlevel 1 exit 1
 
diff --git a/recipe/build.sh b/recipe/build.sh
index 8199cfe9..11a67531 100644
--- a/recipe/build.sh
+++ b/recipe/build.sh
@@ -8,7 +8,8 @@ cmake .. \
       -DCMAKE_INSTALL_PREFIX=$PREFIX \
       -DCMAKE_INSTALL_LIBDIR=lib \
       -DBoost_NO_BOOST_CMAKE=OFF \
-      -DBoost_DEBUG=OFF
+      -DBoost_DEBUG=OFF \
+      -DHAVE_OPENAL:BOOL=OFF 
 
 cmake --build . --config $BUILD_TYPE -- -j$CPU_COUNT
 cmake --build . --config $BUILD_TYPE --target install
diff --git a/recipe/cmake_129_workaround.patch b/recipe/cmake_129_workaround.patch
deleted file mode 100644
index 6a33ea3b..00000000
--- a/recipe/cmake_129_workaround.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-From dfea6a5a16660177af31884c5ffa13d2009bbd5a Mon Sep 17 00:00:00 2001
-From: Silvio Traversaro <silvio@traversaro.it>
-Date: Sun, 29 Nov 2020 19:24:43 +0100
-Subject: [PATCH] Do not overwrite default linker flags
-
----
- cmake/DefaultCFlags.cmake | 8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
-
-diff --git a/cmake/DefaultCFlags.cmake b/cmake/DefaultCFlags.cmake
-index ca02ba295d..a6a11b5fd8 100644
---- a/cmake/DefaultCFlags.cmake
-+++ b/cmake/DefaultCFlags.cmake
-@@ -37,10 +37,10 @@ endif()
- 
- #####################################
- # Set all the global build flags
--set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
--set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
--set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
--set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
-+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
-+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
-+set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
-+set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
- 
- # Compiler-specific C++11 activation.
- if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
- 
diff --git a/recipe/disable-openal.patch b/recipe/disable-openal.patch
deleted file mode 100644
index fd43378e..00000000
--- a/recipe/disable-openal.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
-index 3d87f4305d..ee4978c4db 100644
---- a/cmake/SearchForStuff.cmake
-+++ b/cmake/SearchForStuff.cmake
-@@ -71,13 +71,14 @@ else ()
- endif ()
- 
- ########################################
--include (FindOpenAL)
--if (NOT OPENAL_FOUND)
--  BUILD_WARNING ("OpenAL not found, audio support will be disabled.")
--  set (HAVE_OPENAL OFF CACHE BOOL "HAVE OpenAL" FORCE)
--else ()
--  set (HAVE_OPENAL ON CACHE BOOL "HAVE OpenAL" FORCE)
--endif ()
-+# include (FindOpenAL)
-+# if (NOT OPENAL_FOUND)
-+#   BUILD_WARNING ("OpenAL not found, audio support will be disabled.")
-+#   set (HAVE_OPENAL OFF CACHE BOOL "HAVE OpenAL" FORCE)
-+# else ()
-+#   set (HAVE_OPENAL ON CACHE BOOL "HAVE OpenAL" FORCE)
-+# endif ()
-+set (HAVE_OPENAL OFF CACHE BOOL "HAVE OpenAL" FORCE)
- 
- ########################################
- find_package(HDF5 COMPONENTS C CXX)
diff --git a/recipe/fix_boost_include.patch b/recipe/fix_boost_include.patch
deleted file mode 100644
index 807e1dba..00000000
--- a/recipe/fix_boost_include.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/plugins/SimpleTrackedVehiclePlugin.cc b/plugins/SimpleTrackedVehiclePlugin.cc
-index f7890c0ed0..33bb9cf0ba 100644
---- a/plugins/SimpleTrackedVehiclePlugin.cc
-+++ b/plugins/SimpleTrackedVehiclePlugin.cc
-@@ -29,6 +29,7 @@
- 
- #include "plugins/SimpleTrackedVehiclePlugin.hh"
- 
-+#if BOOST_VERSION < 107300
- namespace std {
- template<class T>
- class hash<boost::shared_ptr<T>> {
-@@ -37,6 +38,7 @@ class hash<boost::shared_ptr<T>> {
-   }
- };
- }
-+#endif
- 
- namespace gazebo
- {
-
-diff --git a/gazebo/gui/ConfigWidget.cc b/gazebo/gui/ConfigWidget.cc
-index 5fd736adfc..9128404852 100644
---- a/gazebo/gui/ConfigWidget.cc
-+++ b/gazebo/gui/ConfigWidget.cc
-@@ -15,6 +15,8 @@
-  *
- */
- 
-+#include <cctype>
-+
- #include <google/protobuf/descriptor.h>
- #include <google/protobuf/message.h>
- #include <ignition/math/Helpers.hh>
-
diff --git a/recipe/fix_build.patch b/recipe/fix_build.patch
index df05583f..ff1e2e12 100644
--- a/recipe/fix_build.patch
+++ b/recipe/fix_build.patch
@@ -1,16 +1,3 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 7322874cdc..4fc5c596c1 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -283,7 +283,7 @@ endif()
- 
- # Visual Studio enables c++11 support by default
- if (NOT MSVC)
--  set(UNFILTERED_FLAGS "-std=c++11")
-+  set(UNFILTERED_FLAGS "-std=c++17")
- endif()
- 
- set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${VALID_CXX_FLAGS} ${UNFILTERED_FLAGS}")
 diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
 index 2b79fd4be3..d55e8ce8e3 100644
 --- a/cmake/SearchForStuff.cmake
@@ -79,15 +66,3 @@ index 4fa403cfde..b571840557 100644
  if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND
      "${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
  
-diff --git a/plugins/rest_web/RestApi.cc b/plugins/rest_web/RestApi.cc
-index 06790ae3b5..0f5cd85a90 100644
---- a/plugins/rest_web/RestApi.cc
-+++ b/plugins/rest_web/RestApi.cc
-@@ -18,7 +18,7 @@
- #include <cstring>
- #include <stdlib.h>
- #include <curl/curl.h>
--#include <inttypes.h>
-+#include <cinttypes>
-
- #include "RestApi.hh"
diff --git a/recipe/link_openal.patch b/recipe/link_openal.patch
deleted file mode 100644
index 6f08d112..00000000
--- a/recipe/link_openal.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From 075c13de5c5553f6290c1a53a39d9165fc8cfd76 Mon Sep 17 00:00:00 2001
-From: Silvio Traversaro <silvio@traversaro.it>
-Date: Tue, 2 Mar 2021 19:13:27 +0100
-Subject: [PATCH] Fix missing link to OpenAL in gazebo_util library
-
----
- gazebo/util/CMakeLists.txt | 4 ++++
- 1 file changed, 4 insertions(+)
-
-diff --git a/gazebo/util/CMakeLists.txt b/gazebo/util/CMakeLists.txt
-index 2c69f2b250..5831fc1aab 100644
---- a/gazebo/util/CMakeLists.txt
-+++ b/gazebo/util/CMakeLists.txt
-@@ -85,6 +85,10 @@ target_link_libraries(gazebo_util
-   ${IGNITION-MSGS_LIBRARIES}
- )
- 
-+if (HAVE_OPENAL)
-+  target_link_libraries(gazebo_util ${OPENAL_LIBRARY})
-+endif()
-+
- # define if tinxml2 major version >= 6
- # https://github.com/ignitionrobotics/ign-common/issues/28
- if (NOT tinyxml2_VERSION VERSION_LESS "6.0.0")
- 
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 5fac6027..3e0da521 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "gazebo" %}
-{% set version = "11.3.0" %}
+{% set version = "11.4.0" %}
 
 package:
   name: {{ name }}
@@ -7,17 +7,14 @@ package:
 
 source:
   - url: https://github.com/osrf/{{ name }}/archive/{{ name }}{{ version.split('.')[0] }}_{{ version }}.tar.gz
-    sha256: b3c14fc1a123be2992b880efa11d362d3d06c77d8c9624a14c487357ec7623f1
+    sha256: 7ea73e73115a27092ed502351c00ef43413ffc0cf53970a49605dabf5b3c0c62
     patches:
       - fix_build.patch  # [unix]
       - use-external-libs-config.patch
       - normalize-ogre-path.patch
-      - cmake_129_workaround.patch  # [unix]
-      - 2906.patch
-      - disable-openal.patch
 
 build:
-  number: 11
+  number: 0
   skip: false
   run_exports:
     - {{ pin_subpackage('gazebo', max_pin='x') }}
@@ -58,7 +55,7 @@ requirements:
     - libignition-cmake2
     - libignition-math6
     - libignition-transport8
-    - libignition-common3 
+    - libignition-common3
     - libignition-fuel-tools4
     - qt
     - ogre 1.10.*
diff --git a/recipe/qwt-fix.patch b/recipe/qwt-fix.patch
deleted file mode 100644
index 9927c1aa..00000000
--- a/recipe/qwt-fix.patch
+++ /dev/null
@@ -1,45 +0,0 @@
---- gazebo/gui/plot/qwt_gazebo.h
-+++ gazebo/gui/plot/qwt_gazebo.h
-@@ -23,24 +23,24 @@
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wfloat-equal"
- 
--#include <qwt/qwt_curve_fitter.h>
--#include <qwt/qwt_legend.h>
--#include <qwt/qwt_painter.h>
--#include <qwt/qwt_picker_machine.h>
--#include <qwt/qwt_plot.h>
--#include <qwt/qwt_plot_canvas.h>
--#include <qwt/qwt_plot_curve.h>
--#include <qwt/qwt_plot_directpainter.h>
--#include <qwt/qwt_plot_grid.h>
--#include <qwt/qwt_plot_layout.h>
--#include <qwt/qwt_plot_magnifier.h>
--#include <qwt/qwt_plot_marker.h>
--#include <qwt/qwt_plot_panner.h>
--#include <qwt/qwt_plot_zoomer.h>
--#include <qwt/qwt_scale_engine.h>
--#include <qwt/qwt_scale_widget.h>
--#include <qwt/qwt_symbol.h>
--#include <qwt/qwt_plot_renderer.h>
-+#include <qwt_curve_fitter.h>
-+#include <qwt_legend.h>
-+#include <qwt_painter.h>
-+#include <qwt_picker_machine.h>
-+#include <qwt_plot.h>
-+#include <qwt_plot_canvas.h>
-+#include <qwt_plot_curve.h>
-+#include <qwt_plot_directpainter.h>
-+#include <qwt_plot_grid.h>
-+#include <qwt_plot_layout.h>
-+#include <qwt_plot_magnifier.h>
-+#include <qwt_plot_marker.h>
-+#include <qwt_plot_panner.h>
-+#include <qwt_plot_zoomer.h>
-+#include <qwt_scale_engine.h>
-+#include <qwt_scale_widget.h>
-+#include <qwt_symbol.h>
-+#include <qwt_plot_renderer.h>
- 
- #pragma clang diagnostic pop
-