diff --git a/ports/cgns/CONTROL b/ports/cgns/CONTROL
deleted file mode 100644
index 3398bad14fdf49..00000000000000
--- a/ports/cgns/CONTROL
+++ /dev/null
@@ -1,32 +0,0 @@
-Source: cgns
-Version: 3.4.0-1
-Homepage: http://cgns.org/
-Description: The CFD General Notation System (CGNS) provides a standard for recording and recovering computer data associated with the numerical solution of fluid dynamics equations. 
-Default-Features: hdf5, lfsselector
-
-Feature: mpi
-Description: Compile with support for the message passage interface (MPI)
-Build-Depends: hdf5[core,parallel]
-
-Feature: fortran
-Description: Enable fortran support (not yet implemented) 
-
-Feature: tests
-Description: Build tests 
-
-Feature: tools
-Description: Build tools 
-
-Feature: hdf5
-Description: Enable hdf5 support 
-Build-Depends: hdf5[core,tools]
-
-Feature: lfsselector
-Description: Selector for LFS
-Build-Depends: cgns[core,lfs] (!osx)
-
-Feature: lfs
-Description: Enable LFS support 
-
-Feature: legacy
-Description: Enable legacy support 
diff --git a/ports/cgns/defines.patch b/ports/cgns/defines.patch
deleted file mode 100644
index e17d488287a6a6..00000000000000
--- a/ports/cgns/defines.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/src/cgnstypes.h.in b/src/cgnstypes.h.in
-index 98c4e7fdc..8c6bcea62 100644
---- a/src/cgnstypes.h.in
-+++ b/src/cgnstypes.h.in
-@@ -29,6 +29,11 @@
- #ifndef CGNSTYPES_H
- #define CGNSTYPES_H
- 
-+#define CG_BUILD_HDF5      @BUILDHDF5@
-+#define CG_BUILD_FORTRAN   @BUILDFORTRAN@
-+#define CG_BUILD_PARALLEL  @BUILDPARALLEL@
-+#define CG_BUILD_BASESCOPE @BUILDBASESCOPE@
-+
- #define CG_BUILD_LEGACY @BUILDLEGACY@
- #define CG_BUILD_64BIT  @BUILD64BIT@
- #define CG_BUILD_SCOPE  @BUILDSCOPE@
diff --git a/ports/cgns/hdf5.patch b/ports/cgns/hdf5.patch
index 4de9ee35ba031a..67d08fa2d88b2d 100644
--- a/ports/cgns/hdf5.patch
+++ b/ports/cgns/hdf5.patch
@@ -1,25 +1,14 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 58f078fe7..46446da8a 100644
+index d871a9dc8..d2c631023 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -194,71 +194,17 @@ endif (CGNS_ENABLE_FORTRAN AND HAS_FORTRAN)
- option(CGNS_ENABLE_HDF5 "Enable or disable HDF5 interface" "OFF")
- if (CGNS_ENABLE_HDF5)
+@@ -232,46 +232,12 @@ if (CGNS_ENABLE_HDF5)
+      cmake_policy(SET CMP0074 NEW)
+   endif()
  
--  if (CGNS_BUILD_SHARED)
--    set (FIND_HDF_COMPONENTS C shared)
--  else (CGNS_BUILD_SHARED)
--    set (FIND_HDF_COMPONENTS C static)
--  endif (CGNS_BUILD_SHARED)
--  message (STATUS "HDF5 find comps: ${FIND_HDF_COMPONENTS}")
--
--  #set (SEARCH_PACKAGE_NAME ${HDF5_PACKAGE_NAME})
--  set (SEARCH_PACKAGE_NAME "hdf5")
--
 -  find_package (HDF5 NAMES ${SEARCH_PACKAGE_NAME} COMPONENTS ${FIND_HDF_COMPONENTS})
 -  message (STATUS "HDF5 C libs:${HDF5_FOUND} static:${HDF5_static_C_FOUND} and shared:${HDF5_shared_C_FOUND}")
 -  if (HDF5_FOUND)
--    add_executable (h5dump IMPORTED)
 -    if (NOT HDF5_static_C_FOUND AND NOT HDF5_shared_C_FOUND)
 -      set (FIND_HDF_COMPONENTS C)
 -
@@ -31,40 +20,22 @@ index 58f078fe7..46446da8a 100644
 -      else (HDF5_BUILD_SHARED_LIBS)
 -        add_definitions (-DH5_BUILT_AS_STATIC_LIB)
 -      endif (HDF5_BUILD_SHARED_LIBS)
--      if (BUILD_SHARED_LIBS AND WIN32)
--        set_property (TARGET h5dump PROPERTY IMPORTED_LOCATION "${HDF5_TOOLS_DIR}/h5dumpdll")
--      else (BUILD_SHARED_LIBS AND WIN32)
--        set_property (TARGET h5dump PROPERTY IMPORTED_LOCATION "${HDF5_TOOLS_DIR}/h5dump")
--      endif (BUILD_SHARED_LIBS AND WIN32)
 -    else (NOT HDF5_static_C_FOUND AND NOT HDF5_shared_C_FOUND)
--      if (BUILD_SHARED_LIBS AND HDF5_shared_C_FOUND)
+-      if (CGNS_BUILD_SHARED AND HDF5_shared_C_FOUND)
 -        set (LINK_LIBS ${LINK_LIBS} ${HDF5_C_SHARED_LIBRARY})
--      else (HDF5_static_C_FOUND)
+-      else (CGNS_BUILD_SHARED AND HDF5_shared_C_FOUND)
 -        set (LINK_LIBS ${LINK_LIBS} ${HDF5_C_STATIC_LIBRARY})
--      endif (BUILD_SHARED_LIBS AND HDF5_shared_C_FOUND)
--      set_property (TARGET h5dump PROPERTY IMPORTED_LOCATION "${HDF5_TOOLS_DIR}/h5dump")
+-      endif (CGNS_BUILD_SHARED AND HDF5_shared_C_FOUND)
 -    endif (NOT HDF5_static_C_FOUND AND NOT HDF5_shared_C_FOUND)
-+  find_package(HDF5 CONFIG REQUIRED)
-+  if(TARGET hdf5::hdf5-shared)
-+    set (LINK_LIBS ${LINK_LIBS} hdf5::hdf5-shared)
-+    #add_executable(h5dump ALIAS hdf5::h5dump-shared)
-+    set (HDF5_DUMP_EXECUTABLE $<TARGET_FILE:h5dump-shared>)
-+  else()
-+    set (LINK_LIBS ${LINK_LIBS} hdf5::hdf5-static)
-+    #add_executable(h5dump ALIAS hdf5::h5dump)
-     set (HDF5_DUMP_EXECUTABLE $<TARGET_FILE:h5dump>)
 -
--    set (HDF5_HAVE_H5PUBCONF_H 1)
--    set (HDF5_HAVE_HDF5 1)
--    set (HDF5_HDF5_HEADER "h5pubconf.h")
--    set (HDF5_INCLUDE_DIR_GEN ${HDF5_INCLUDE_DIR})
--    message (STATUS "HDF5-${HDF5_VERSION_STRING} found: INC=${HDF5_INCLUDE_DIR} TOOLS=${HDF5_TOOLS_DIR}")
 -  else (HDF5_FOUND)
 -    find_package (HDF5) # Legacy find
--#Legacy find_package does not set HDF5_TOOLS_DIR, so we set it here
--    set(HDF5_TOOLS_DIR ${HDF5_LIBRARY_DIRS}/../bin)
--#Legacy find_package does not set HDF5_BUILD_SHARED_LIBS, so we set it here
--    if (CGNS_BUILD_SHARED AND EXISTS "${HDF5_LIBRARY_DIRS}/libhdf5${CMAKE_SHARED_LIBRARY_SUFFIX}")
+-    
+-    #Legacy find_package does not set HDF5_TOOLS_DIR, so we set it here
+-    set(HDF5_TOOLS_DIR ${HDF5_LIBRARY}/../bin)
+-    
+-    #Legacy find_package does not set HDF5_BUILD_SHARED_LIBS, so we set it here
+-    if (CGNS_BUILD_SHARED AND EXISTS "${HDF5_LIBRARY}/libhdf5${CMAKE_SHARED_LIBRARY_SUFFIX}")
 -      set (HDF5_BUILD_SHARED_LIBS 1)
 -      add_definitions (-DH5_BUILT_AS_DYNAMIC_LIB)
 -    else ()
@@ -73,36 +44,45 @@ index 58f078fe7..46446da8a 100644
 -    endif ()
 -    set (LINK_LIBS ${LINK_LIBS} ${HDF5_LIBRARIES})
 -
--    add_executable (h5dump IMPORTED)
--    set_property (TARGET h5dump PROPERTY IMPORTED_LOCATION "${HDF5_TOOLS_DIR}/h5dump")
--    set (HDF5_DUMP_EXECUTABLE $<TARGET_FILE:h5dump>)
 -  endif (HDF5_FOUND)
 -  set (HDF5_PACKAGE_NAME ${SEARCH_PACKAGE_NAME})
--
-+  endif()
-+  
++  find_package (HDF5 CONFIG REQUIRED)
++  if (TARGET hdf5::hdf5-shared)
++    set (LINK_LIBS ${LINK_LIBS} hdf5::hdf5-shared)
++  else ()
++    set (LINK_LIBS ${LINK_LIBS} hdf5::hdf5-static)
++  endif ()
+ 
    if (HDF5_FOUND)
-     set (HDF5_HAVE_H5PUBCONF_H 1)
-     set (HDF5_HAVE_HDF5 1)
-diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
-index 66b547ed1..4051f07d4 100644
---- a/src/CMakeLists.txt
-+++ b/src/CMakeLists.txt
-@@ -12,13 +12,14 @@ include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR})
- if (CGNS_ENABLE_HDF5)
-   add_definitions(-DBUILD_HDF5)
-   if (WIN32)
--    if (HDF5_LIBRARY)
-+    add_definitions(-DWIN32)
-+    if (HDF5_BUILD_SHARED_LIBS)
-      # file(STRINGS ${HDF5_LIBRARY} HDF5isDLL REGEX "__imp__H5close")
-      # if (HDF5isDLL)
-         # this is only needed when using hdf5 dll libs
--        add_definitions(-DWIN32 -D_HDF5USEDLL_)
-+        add_definitions(-DH5_BUILT_AS_DYNAMIC_LIB)
-      # endif (HDF5isDLL)
--    endif (HDF5_LIBRARY)
-+    endif (HDF5_BUILD_SHARED_LIBS)
-   endif (WIN32)
-   if(HDF5_NEED_MPI AND MPI_INC)
-     include_directories(${MPI_INC})
+     if (NOT DEFINED HDF5_INCLUDE_DIRS)
+@@ -289,20 +255,10 @@ if (CGNS_ENABLE_HDF5)
+   endif (HDF5_FOUND)
+ 
+   set(HDF5_NEED_ZLIB "OFF" CACHE BOOL "Does the HDF5 library require linking to zlib?")
+-  if(HDF5_NEED_ZLIB)
+-    find_library(ZLIB_LIBRARY z)
+-    mark_as_advanced(CLEAR ZLIB_LIBRARY)
+-  else (HDF5_NEED_ZLIB)
+-    mark_as_advanced(FORCE ZLIB_LIBRARY)
+-  endif(HDF5_NEED_ZLIB)
++  set(HDF5_NEED_ZLIB ${HDF5_ENABLE_Z_LIB_SUPPORT} CACHE INTERNAL "" FORCE)
+ 
+   set(HDF5_NEED_SZIP "OFF" CACHE BOOL "Does the HDF5 library require linking to szip?")
+-  if (HDF5_NEED_SZIP)
+-    find_library(SZIP_LIBRARY szip)
+-    mark_as_advanced(CLEAR SZIP_LIBRARY)
+-  else (HDF5_NEED_SZIP)
+-    mark_as_advanced(FORCE SZIP_LIBRARY)
+-  endif (HDF5_NEED_SZIP)
++  set(HDF5_NEED_SZIP ${HDF5_ENABLE_SZIP_SUPPORT} CACHE INTERNAL "" FORCE)
+ 
+   # Check if HDF5 version is 1.8 or greater
+   if (HDF5_VERSION VERSION_LESS "1.8.0")
+@@ -310,6 +266,7 @@ if (CGNS_ENABLE_HDF5)
+   endif (HDF5_VERSION VERSION_LESS "1.8.0")
+ 
+   set(HDF5_NEED_MPI "OFF" CACHE BOOL "Does the HDF5 library require linking to mpi? (Only true if using parallel HDF5)")
++  set(HDF5_NEED_MPI ${HDF5_ENABLE_PARALLEL} CACHE INTERNAL "" FORCE)
+   set(MPI_INC)
+   set(MPI_LIBS)
+   if (HDF5_NEED_MPI)
diff --git a/ports/cgns/portfile.cmake b/ports/cgns/portfile.cmake
index 89544674496be3..bb75a9485ceae7 100644
--- a/ports/cgns/portfile.cmake
+++ b/ports/cgns/portfile.cmake
@@ -2,19 +2,16 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO CGNS/CGNS
-    REF 3420e23febf0eb38c1b05af3c157d614d8476557 # v3.4.0
-    SHA512 3fec1c32f1514cd9bc327f12f3f9db6a229df05f514193bd9e913d06b8ae6465664410a3c77a30b0c29f3e999e5efcb1ebed3a8b80e14be92035940c10b1d6d7
+    REF 86b686bce292eef7782cfb56b6acdb5123c96f49 # v4.2.0
+    SHA512 88df741acc1b650724bcbeb82ab0f7e593bf01e0a30c04b14b9915f4ea4331725cc24b87715dd08d93d5a3708660ca7f7874bc0a9c5505b76471802cf033e35d
     HEAD_REF develop
     PATCHES
         hdf5.patch
         linux_lfs.patch
-        zlib_szip_mpi.patch
-        defines.patch
 )
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
    FEATURES
-     mpi     HDF5_NEEDS_MPI
      fortran CGNS_ENABLE_FORTRAN
      tests   CGNS_ENABLE_TESTS
      hdf5    CGNS_ENABLE_HDF5
@@ -45,7 +42,7 @@ vcpkg_install_cmake()
 file(INSTALL ${CURRENT_PACKAGES_DIR}/include/cgnsBuild.defs DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
 file(REMOVE ${CURRENT_PACKAGES_DIR}/include/cgnsBuild.defs ${CURRENT_PACKAGES_DIR}/include/cgnsconfig.h)
 
-file(INSTALL ${CURRENT_PORT_DIR}/cgnsconfig.h DESTINATION ${CURRENT_PACKAGES_DIR}/include) # we patched the config and the include is all that is needed
+file(INSTALL ${CURRENT_PORT_DIR}/cgnsconfig.h DESTINATION ${CURRENT_PACKAGES_DIR}/include) # the include is all that is needed
 
 set(TOOLS cgnscheck cgnscompress cgnsconvert cgnsdiff cgnslist cgnsnames)
 
diff --git a/ports/cgns/vcpkg.json b/ports/cgns/vcpkg.json
new file mode 100644
index 00000000000000..c738b9a3b6d904
--- /dev/null
+++ b/ports/cgns/vcpkg.json
@@ -0,0 +1,64 @@
+{
+  "name": "cgns",
+  "version-semver": "4.2.0",
+  "description": "The CFD General Notation System (CGNS) provides a standard for recording and recovering computer data associated with the numerical solution of fluid dynamics equations.",
+  "homepage": "http://cgns.org/",
+  "default-features": [
+    "hdf5",
+    "lfsselector"
+  ],
+  "features": {
+    "fortran": {
+      "description": "Enable fortran support (not yet implemented)"
+    },
+    "hdf5": {
+      "description": "Enable hdf5 support",
+      "dependencies": [
+        {
+          "name": "hdf5",
+          "default-features": false,
+          "features": [
+            "tools"
+          ]
+        }
+      ]
+    },
+    "legacy": {
+      "description": "Enable legacy support"
+    },
+    "lfs": {
+      "description": "Enable LFS support"
+    },
+    "lfsselector": {
+      "description": "Selector for LFS",
+      "dependencies": [
+        {
+          "name": "cgns",
+          "default-features": false,
+          "features": [
+            "lfs"
+          ],
+          "platform": "!osx"
+        }
+      ]
+    },
+    "mpi": {
+      "description": "Enable MPI support",
+      "dependencies": [
+        {
+          "name": "hdf5",
+          "default-features": false,
+          "features": [
+            "parallel"
+          ]
+        }
+      ]
+    },
+    "tests": {
+      "description": "Build tests"
+    },
+    "tools": {
+      "description": "Build tools"
+    }
+  }
+}
diff --git a/ports/cgns/zlib_szip_mpi.patch b/ports/cgns/zlib_szip_mpi.patch
deleted file mode 100644
index 4f6608cf4d1641..00000000000000
--- a/ports/cgns/zlib_szip_mpi.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 46446da8a..cd05cf51a 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -219,20 +221,10 @@ if (CGNS_ENABLE_HDF5)
-   endif (HDF5_FOUND)
- 
-   set(HDF5_NEED_ZLIB "OFF" CACHE BOOL "Does the HDF5 library require linking to zlib?")
--  if(HDF5_NEED_ZLIB)
--    find_library(ZLIB_LIBRARY z)
--    mark_as_advanced(CLEAR ZLIB_LIBRARY)
--  else (HDF5_NEED_ZLIB)
--    mark_as_advanced(FORCE ZLIB_LIBRARY)
--  endif(HDF5_NEED_ZLIB)
-+  set(HDF5_NEED_ZLIB ${HDF5_ENABLE_Z_LIB_SUPPORT} CACHE INTERNAL "" FORCE)
- 
-   set(HDF5_NEED_SZIP "OFF" CACHE BOOL "Does the HDF5 library require linking to zlib?")
--  if (HDF5_NEED_SZIP)
--    find_library(SZIP_LIBRARY szip)
--    mark_as_advanced(CLEAR SZIP_LIBRARY)
--  else (HDF5_NEED_SZIP)
--    mark_as_advanced(FORCE SZIP_LIBRARY)
--  endif (HDF5_NEED_SZIP)
-+  set(HDF5_NEED_SZIP ${HDF5_ENABLE_SZIP_SUPPORT} CACHE INTERNAL "" FORCE)
- 
-   # Check if HDF5 version is 1.8 or greater
-   if (HDF5_VERSION VERSION_LESS "1.8.0")
-@@ -240,6 +231,7 @@ if (CGNS_ENABLE_HDF5)
-   endif (HDF5_VERSION VERSION_LESS "1.8.0")
- 
-   set(HDF5_NEED_MPI "OFF" CACHE BOOL "Does the HDF5 library require linking to mpi? (Only true if using parallel HDF5)")
-+  set(HDF5_NEED_MPI ${HDF5_ENABLE_PARALLEL} CACHE INTERNAL "" FORCE)
-   set(MPI_INC)
-   set(MPI_LIBS)
-   if (HDF5_NEED_MPI)
diff --git a/versions/baseline.json b/versions/baseline.json
index 0be479fdf7a438..449092b7fc0d3e 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1201,7 +1201,7 @@
       "port-version": 0
     },
     "cgns": {
-      "baseline": "3.4.0-1",
+      "baseline": "4.2.0",
       "port-version": 0
     },
     "chaiscript": {
diff --git a/versions/c-/cgns.json b/versions/c-/cgns.json
index 6a9a059d3c04dd..bc33d2bd991678 100644
--- a/versions/c-/cgns.json
+++ b/versions/c-/cgns.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "9d33908ce58fbfa6e823c937716e57d84d1cb2a5",
+      "version-semver": "4.2.0",
+      "port-version": 0
+    },
     {
       "git-tree": "cc70f3fcc3f4ff2dad2712400208181dc7bb280d",
       "version-string": "3.4.0-1",