diff --git a/ports/assimp/build_fixes.patch b/ports/assimp/build_fixes.patch
index 72fcd45776..93ac902a80 100644
--- a/ports/assimp/build_fixes.patch
+++ b/ports/assimp/build_fixes.patch
@@ -1,21 +1,26 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 718a251..21d253f 100644
+index d45eb22..0b5da28 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -291,9 +291,9 @@ ELSEIF(MSVC)
+@@ -307,7 +307,6 @@ ELSEIF(MSVC)
    ENDIF()
    # supress warning for double to float conversion if Double precision is activated
-   ADD_COMPILE_OPTIONS(/wd4244) 
+   ADD_COMPILE_OPTIONS(/wd4244)
 -  SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")
--  SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
--  SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")
-+  #SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")
-+  #SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
-+  #SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")
+   # Allow user to disable PDBs
+   if(ASSIMP_INSTALL_PDB)
+     SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
+@@ -315,8 +314,7 @@ ELSEIF(MSVC)
+   elseif((GENERATOR_IS_MULTI_CONFIG) OR (CMAKE_BUILD_TYPE MATCHES Release))
+     message("-- MSVC PDB generation disabled. Release binary will not be debuggable.")
+   endif()
+-  # Source code is encoded in UTF-8
+-  ADD_COMPILE_OPTIONS(/source-charset:utf-8)
++
  ELSEIF (CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
    IF(NOT ASSIMP_HUNTER_ENABLED)
      SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
-@@ -421,7 +421,7 @@ ENDIF()
+@@ -444,7 +442,7 @@ ENDIF()
  
  set(GENERATED_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")
  
@@ -24,7 +29,7 @@ index 718a251..21d253f 100644
    set(CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
    set(CMAKE_CONFIG_TEMPLATE_FILE "cmake-modules/assimp-hunter-config.cmake.in")
    set(NAMESPACE "${PROJECT_NAME}::")
-@@ -429,7 +429,7 @@ IF(ASSIMP_HUNTER_ENABLED)
+@@ -452,7 +450,7 @@ IF(ASSIMP_HUNTER_ENABLED)
    set(VERSION_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
    set(PROJECT_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}Config.cmake")
  ELSE()
@@ -33,7 +38,7 @@ index 718a251..21d253f 100644
    set(CMAKE_CONFIG_TEMPLATE_FILE "cmake-modules/assimp-plain-config.cmake.in")
    string(TOLOWER ${PROJECT_NAME} PROJECT_NAME_LOWERCASE)
    set(NAMESPACE "${PROJECT_NAME_LOWERCASE}::")
-@@ -473,14 +473,14 @@ ENDIF()
+@@ -496,14 +494,13 @@ ENDIF()
  
  # Search for external dependencies, and build them from source if not found
  # Search for zlib
@@ -41,7 +46,6 @@ index 718a251..21d253f 100644
 -  hunter_add_package(ZLIB)
 -  find_package(ZLIB CONFIG REQUIRED)
 +IF(1)
-+  # hunter_add_package(ZLIB)
 +  find_package(ZLIB REQUIRED)
  
    add_definitions(-DASSIMP_BUILD_NO_OWN_ZLIB)
@@ -53,12 +57,13 @@ index 718a251..21d253f 100644
  ELSE()
    # If the zlib is already found outside, add an export in case assimpTargets can't find it.
    IF( ZLIB_FOUND AND ASSIMP_INSTALL)
-@@ -525,12 +525,12 @@ ELSE()
+@@ -547,13 +544,13 @@ ELSE()
+   INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
  ENDIF()
  
- IF( NOT IOS )
--  IF( NOT ASSIMP_BUILD_MINIZIP )
-+  IF( 0 )
+-IF( NOT IOS )
++IF( 0 )
+   IF( NOT ASSIMP_BUILD_MINIZIP )
      use_pkgconfig(UNZIP minizip)
    ENDIF()
  ELSE ()
@@ -69,19 +74,18 @@ index 718a251..21d253f 100644
      ENDIF()
    ENDIF ()
 diff --git a/cmake-modules/assimp-plain-config.cmake.in b/cmake-modules/assimp-plain-config.cmake.in
-index 6551dcb..457fcd7 100644
+index 6551dcb..3064f70 100644
 --- a/cmake-modules/assimp-plain-config.cmake.in
 +++ b/cmake-modules/assimp-plain-config.cmake.in
-@@ -1,5 +1,20 @@
+@@ -1,5 +1,19 @@
  @PACKAGE_INIT@
  
 +include(CMakeFindDependencyMacro)
 +
-+find_dependency(pugixml CONFIG)
 +if(NOT @BUILD_SHARED_LIBS@)
 +    find_dependency(kubazip CONFIG)
 +    find_dependency(unofficial-minizip CONFIG)
-+    #find_dependency(openddlparser CONFIG)
++    find_dependency(pugixml CONFIG)
 +    find_dependency(poly2tri CONFIG)
 +    find_dependency(polyclipping CONFIG)
 +    find_dependency(RapidJSON CONFIG)
@@ -94,7 +98,7 @@ index 6551dcb..457fcd7 100644
  
  set(ASSIMP_ROOT_DIR ${PACKAGE_PREFIX_DIR})
 diff --git a/code/AssetLib/3MF/D3MFExporter.cpp b/code/AssetLib/3MF/D3MFExporter.cpp
-index 6caa4c8..c130fcc 100644
+index 6c09f09..7b3410a 100644
 --- a/code/AssetLib/3MF/D3MFExporter.cpp
 +++ b/code/AssetLib/3MF/D3MFExporter.cpp
 @@ -57,7 +57,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@@ -135,7 +139,7 @@ index d488b23..1a6c0c7 100644
  #include <iterator>
  #include <memory>
 diff --git a/code/AssetLib/IFC/IFCLoader.cpp b/code/AssetLib/IFC/IFCLoader.cpp
-index 9414697..48ad145 100644
+index 13ea2d4..aeeb311 100644
 --- a/code/AssetLib/IFC/IFCLoader.cpp
 +++ b/code/AssetLib/IFC/IFCLoader.cpp
 @@ -53,7 +53,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@@ -202,11 +206,11 @@ index d7f512c..94275f1 100644
  #include <memory>
  
 diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
-index f4c2936..979e688 100644
+index 9b27086..b7c2ccb 100644
 --- a/code/CMakeLists.txt
 +++ b/code/CMakeLists.txt
-@@ -922,8 +922,8 @@ SET( Extra_SRCS
- SOURCE_GROUP( Extra FILES ${Extra_SRCS})
+@@ -1050,8 +1050,8 @@ ELSE() # IF (ASSIMP_BUILD_USD_IMPORTER)
+ ENDIF() # IF (ASSIMP_BUILD_USD_IMPORTER)
  
  # pugixml
 -IF(ASSIMP_HUNTER_ENABLED)
@@ -216,7 +220,7 @@ index f4c2936..979e688 100644
    find_package(pugixml CONFIG REQUIRED)
  ELSE()
    SET( Pugixml_SRCS
-@@ -935,30 +935,30 @@ ELSE()
+@@ -1063,30 +1063,30 @@ ELSE()
  ENDIF()
  
  # utf8
@@ -256,7 +260,7 @@ index f4c2936..979e688 100644
    SET( Poly2Tri_SRCS
      ../contrib/poly2tri/poly2tri/common/shapes.cc
      ../contrib/poly2tri/poly2tri/common/shapes.h
-@@ -973,12 +973,12 @@ ENDIF()
+@@ -1101,12 +1101,12 @@ ENDIF()
      ../contrib/poly2tri/poly2tri/sweep/sweep_context.h
    )
    SOURCE_GROUP( Contrib\\Poly2Tri FILES ${Poly2Tri_SRCS})
@@ -273,7 +277,7 @@ index f4c2936..979e688 100644
  ELSE()
    SET( unzip_SRCS
      ../contrib/unzip/crypt.h
-@@ -993,9 +993,9 @@ ENDIF()
+@@ -1121,9 +1121,9 @@ ENDIF()
  # zip (https://github.com/kuba--/zip)
  separate_arguments(ASSIMP_EXPORTERS_LIST UNIX_COMMAND ${ASSIMP_EXPORTERS_ENABLED})
  IF(3MF IN_LIST ASSIMP_EXPORTERS_LIST)
@@ -286,7 +290,7 @@ index f4c2936..979e688 100644
    ELSE()
      SET( ziplib_SRCS
        ../contrib/zip/src/miniz.h
-@@ -1015,7 +1015,7 @@ IF(3MF IN_LIST ASSIMP_EXPORTERS_LIST)
+@@ -1143,7 +1143,7 @@ IF(3MF IN_LIST ASSIMP_EXPORTERS_LIST)
  ENDIF()
  
  # openddlparser
@@ -295,7 +299,7 @@ index f4c2936..979e688 100644
    hunter_add_package(openddlparser)
    find_package(openddlparser CONFIG REQUIRED)
  ELSE()
-@@ -1038,7 +1038,7 @@ ELSE()
+@@ -1166,7 +1166,7 @@ ELSE()
  ENDIF()
  
  # Open3DGC
@@ -304,7 +308,7 @@ index f4c2936..979e688 100644
    # Nothing to do, not available in Hunter yet.
  ELSE()
    SET ( open3dgc_SRCS
-@@ -1073,6 +1073,7 @@ ELSE()
+@@ -1201,6 +1201,7 @@ ELSE()
      ../contrib/Open3DGC/o3dgcVector.inl
    )
    SOURCE_GROUP( Contrib\\open3dgc FILES ${open3dgc_SRCS})
@@ -312,7 +316,7 @@ index f4c2936..979e688 100644
  ENDIF()
  
  # Check dependencies for glTF importer with Open3DGC-compression.
-@@ -1081,7 +1082,7 @@ ENDIF()
+@@ -1209,7 +1210,7 @@ ENDIF()
  IF (NOT WIN32)
    FIND_PACKAGE(RT QUIET)
  ENDIF ()
@@ -321,7 +325,7 @@ index f4c2936..979e688 100644
    SET( ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC 1 )
    ADD_DEFINITIONS( -DASSIMP_IMPORTER_GLTF_USE_OPEN3DGC=1 )
  ELSE ()
-@@ -1091,9 +1092,10 @@ ELSE ()
+@@ -1219,9 +1220,10 @@ ELSE ()
  ENDIF ()
  
  # RapidJSON
@@ -334,7 +338,7 @@ index f4c2936..979e688 100644
  ELSE()
    INCLUDE_DIRECTORIES("../contrib/rapidjson/include")
    ADD_DEFINITIONS( -DRAPIDJSON_HAS_STDSTRING=1)
-@@ -1104,9 +1106,9 @@ ELSE()
+@@ -1232,9 +1234,8 @@ ELSE()
  ENDIF()
  
  # stb
@@ -342,12 +346,11 @@ index f4c2936..979e688 100644
 -  hunter_add_package(stb)
 -  find_package(stb CONFIG REQUIRED)
 +IF(1)
-+  #hunter_add_package(stb)
 +  find_package(Stb REQUIRED)
  ELSE()
    SET( stb_SRCS
      ../contrib/stb/stb_image.h
-@@ -1128,7 +1130,7 @@ IF( MSVC OR "${CMAKE_CXX_SIMULATE_ID}" MATCHES "MSVC") # clang with MSVC ABI
+@@ -1256,7 +1257,7 @@ IF( MSVC OR "${CMAKE_CXX_SIMULATE_ID}" MATCHES "MSVC") # clang with MSVC ABI
    ADD_DEFINITIONS( -D_CRT_SECURE_NO_WARNINGS )
  endif ()
  
@@ -356,7 +359,7 @@ index f4c2936..979e688 100644
    if (UNZIP_FOUND)
      SET (unzip_compile_SRCS "")
    else ()
-@@ -1180,7 +1182,7 @@ SET( assimp_src
+@@ -1310,7 +1311,7 @@ SET( assimp_src
  )
  ADD_DEFINITIONS( -DOPENDDLPARSER_BUILD )
  
@@ -365,7 +368,7 @@ index f4c2936..979e688 100644
    INCLUDE_DIRECTORIES(
        ${IRRXML_INCLUDE_DIR}
        ../contrib/openddlparser/include
-@@ -1282,45 +1284,48 @@ TARGET_INCLUDE_DIRECTORIES ( assimp PUBLIC
+@@ -1412,45 +1413,47 @@ TARGET_INCLUDE_DIRECTORIES ( assimp PUBLIC
    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
    $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/../include>
    $<INSTALL_INTERFACE:${ASSIMP_INCLUDE_INSTALL_DIR}>
@@ -376,6 +379,14 @@ index f4c2936..979e688 100644
 -IF(ASSIMP_HUNTER_ENABLED)
 +IF(1)
    TARGET_LINK_LIBRARIES(assimp
+-      PUBLIC
+-      #polyclipping::polyclipping
+-      openddlparser::openddl_parser
+-      #poly2tri::poly2tri
+-      minizip::minizip
+-      ZLIB::zlib
+-      RapidJSON::rapidjson
+-      utf8cpp
 +      PRIVATE
 +      polyclipping::polyclipping
 +      #openddlparser::openddl_parser
@@ -385,14 +396,6 @@ index f4c2936..979e688 100644
 +      ZLIB::ZLIB
 +      rapidjson
 +      utf8cpp::utf8cpp
-       PUBLIC
--      #polyclipping::polyclipping
--      openddlparser::openddl_parser
--      #poly2tri::poly2tri
--      minizip::minizip
--      ZLIB::zlib
--      RapidJSON::rapidjson
--      utf8cpp
        pugixml
 -      stb::stb
    )
@@ -431,7 +434,7 @@ index f4c2936..979e688 100644
  ENDIF ()
  
  if( MSVC )
-@@ -1361,13 +1366,13 @@ if (MINGW)
+@@ -1491,13 +1494,13 @@ if (MINGW)
      ARCHIVE_OUTPUT_NAME assimp
    )
    if (NOT BUILD_SHARED_LIBS)
@@ -447,7 +450,7 @@ index f4c2936..979e688 100644
  endif()
  
  SET_TARGET_PROPERTIES( assimp PROPERTIES
-@@ -1397,14 +1402,14 @@ ENDIF()
+@@ -1527,14 +1530,14 @@ ENDIF()
  
  # Build against external unzip, or add ../contrib/unzip so
  # assimp can #include "unzip.h"
@@ -465,7 +468,7 @@ index f4c2936..979e688 100644
      endif()
    else ()
      INCLUDE_DIRECTORIES("../")
-@@ -1413,7 +1418,7 @@ ENDIF()
+@@ -1543,7 +1546,7 @@ ENDIF()
  
  # Add RT-extension library for glTF importer with Open3DGC-compression.
  IF (RT_FOUND AND ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC)
@@ -475,10 +478,10 @@ index f4c2936..979e688 100644
  
  IF(ASSIMP_INSTALL)
 diff --git a/code/Common/BaseImporter.cpp b/code/Common/BaseImporter.cpp
-index 3a4c7c3..f247927 100644
+index 5c70cc2..bbbaae0 100644
 --- a/code/Common/BaseImporter.cpp
 +++ b/code/Common/BaseImporter.cpp
-@@ -353,7 +353,7 @@ std::string BaseImporter::GetExtension(const std::string &pFile) {
+@@ -354,7 +354,7 @@ std::string BaseImporter::GetExtension(const std::string &pFile) {
      return false;
  }
  
@@ -488,7 +491,7 @@ index 3a4c7c3..f247927 100644
  // ------------------------------------------------------------------------------------------------
  // Convert to UTF8 data
 diff --git a/code/Common/StbCommon.h b/code/Common/StbCommon.h
-index aef23ce..3977fde 100644
+index aef23ce..1b059ec 100644
 --- a/code/Common/StbCommon.h
 +++ b/code/Common/StbCommon.h
 @@ -53,7 +53,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/ports/assimp/portfile.cmake b/ports/assimp/portfile.cmake
index cb098cc3cf..523f81831c 100644
--- a/ports/assimp/portfile.cmake
+++ b/ports/assimp/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO assimp/assimp
     REF "v${VERSION}"
-    SHA512 4bfcc3a1b5a0cf3f382560564cac67088e13c62500c3c77dcef03811e67debe72ff318f5ed145b204d5017b56cb4293f3fe14b4060ca193813cef42b12eebe9d
+    SHA512 4738db84068d36face8caf61c0789178fdfc1310fa8e81ffb9b025e14183bde546b784d691c92438ab310a79ab7b75ab62ee0247d5f01e81ddf04fb94b7a9c0b
     HEAD_REF master
     PATCHES
         build_fixes.patch
diff --git a/ports/assimp/vcpkg.json b/ports/assimp/vcpkg.json
index d20f549825..815910f39e 100644
--- a/ports/assimp/vcpkg.json
+++ b/ports/assimp/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "assimp",
-  "version": "5.4.2",
+  "version": "5.4.3",
   "description": "The Open Asset import library",
   "homepage": "https://github.com/assimp/assimp",
   "license": "BSD-3-Clause",
diff --git a/versions/a-/assimp.json b/versions/a-/assimp.json
index a2bb54de27..a5077b93e0 100644
--- a/versions/a-/assimp.json
+++ b/versions/a-/assimp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "3356e9c8083aae3cfcd24dd3269b45e2cae3173f",
+      "version": "5.4.3",
+      "port-version": 0
+    },
     {
       "git-tree": "205e4ca24e9ba331c232e326707c7b84e78c0720",
       "version": "5.4.2",
diff --git a/versions/baseline.json b/versions/baseline.json
index cf840ad361..cb01b8bffc 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -281,7 +281,7 @@
       "port-version": 1
     },
     "assimp": {
-      "baseline": "5.4.2",
+      "baseline": "5.4.3",
       "port-version": 0
     },
     "astr": {