diff --git a/ports/libmariadb/export-cmake-targets.patch b/ports/libmariadb/export-cmake-targets.patch
index c841a1fe917a0b..13c6c1a61bc29c 100644
--- a/ports/libmariadb/export-cmake-targets.patch
+++ b/ports/libmariadb/export-cmake-targets.patch
@@ -3,14 +3,14 @@ index c109a20..e1fa3f1 100644
 --- a/libmariadb/CMakeLists.txt
 +++ b/libmariadb/CMakeLists.txt
 @@ -405,6 +405,7 @@ ELSE()
-   TARGET_LINK_LIBRARIES(libmariadb LINK_PRIVATE mariadbclient)
+   ADD_LIBRARY(libmariadb ${libmariadb_RC} ${MARIADB_OBJECTS} mariadbclient.def)
    SET_TARGET_PROPERTIES(libmariadb PROPERTIES LINKER_LANGUAGE C)
  ENDIF()
 +TARGET_INCLUDE_DIRECTORIES(libmariadb PUBLIC $<INSTALL_INTERFACE:include/mysql>)
  
  TARGET_LINK_LIBRARIES(libmariadb LINK_PRIVATE ${SYSTEM_LIBS})
  
-@@ -453,13 +454,25 @@ ENDIF()
+@@ -453,13 +454,30 @@ ENDIF()
  
  INSTALL(TARGETS mariadbclient
            COMPONENT Development
@@ -23,15 +23,20 @@ index c109a20..e1fa3f1 100644
          LIBRARY DESTINATION lib
          ARCHIVE DESTINATION lib)
  
-+install(EXPORT unofficial-libmariadb-targets DESTINATION share/unofficial-libmariadb)
++install(EXPORT unofficial-libmariadb-targets
++    NAMESPACE unofficial::
++    DESTINATION share/unofficial-libmariadb
++)
 +
-+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/unofficial-libmariadb-config.cmake"
++file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/unofficial-libmariadb-config.cmake.in"
 +[[include(CMakeFindDependencyMacro)
 +find_dependency(ZLIB)
-+find_dependency(OpenSSL)
++if("@WITH_SSL@" STREQUAL "OPENSSL")
++    find_dependency(OpenSSL)
++endif()
 +include("${CMAKE_CURRENT_LIST_DIR}/unofficial-libmariadb-targets.cmake")
 +]])
-+
++configure_file("${CMAKE_CURRENT_BINARY_DIR}/unofficial-libmariadb-config.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/unofficial-libmariadb-config.cmake" @ONLY)
 +install(FILES ${CMAKE_CURRENT_BINARY_DIR}/unofficial-libmariadb-config.cmake DESTINATION share/unofficial-libmariadb)
  
  IF(0)
diff --git a/ports/libmariadb/fix-InstallPath.patch b/ports/libmariadb/fix-InstallPath.patch
index bdf81788e3554a..c9794fc58fa4e3 100644
--- a/ports/libmariadb/fix-InstallPath.patch
+++ b/ports/libmariadb/fix-InstallPath.patch
@@ -23,11 +23,11 @@ index bcfd4de..c109a20 100644
 +  ADD_LIBRARY(libmariadb ${libmariadb_RC} ${MARIADB_OBJECTS} ${EMPTY_FILE})
    SET_TARGET_PROPERTIES(libmariadb PROPERTIES COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
  ELSE()
--  ADD_LIBRARY(libmariadb SHARED ${libmariadb_RC} mariadbclient.def)
-+  ADD_LIBRARY(libmariadb ${libmariadb_RC} mariadbclient.def)
-   TARGET_LINK_LIBRARIES(libmariadb LINK_PRIVATE mariadbclient)
+-  ADD_LIBRARY(libmariadb SHARED ${libmariadb_RC} ${MARIADB_OBJECTS} mariadbclient.def)
++  ADD_LIBRARY(libmariadb ${libmariadb_RC} ${MARIADB_OBJECTS} mariadbclient.def)
    SET_TARGET_PROPERTIES(libmariadb PROPERTIES LINKER_LANGUAGE C)
  ENDIF()
+ 
 @@ -453,13 +453,15 @@ ENDIF()
  
  INSTALL(TARGETS mariadbclient
diff --git a/ports/libmariadb/fix-build-error-with-cmake3.20.patch b/ports/libmariadb/fix-build-error-with-cmake3.20.patch
deleted file mode 100644
index 1eed4ee4741b0d..00000000000000
--- a/ports/libmariadb/fix-build-error-with-cmake3.20.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/cmake/ConnectorName.cmake b/cmake/ConnectorName.cmake
-index b7bbbad..357b8ac 100644
---- a/cmake/ConnectorName.cmake
-+++ b/cmake/ConnectorName.cmake
-@@ -22,7 +22,7 @@ IF(CMAKE_SYSTEM_NAME MATCHES "Windows")
-     SET(MACHINE_NAME "x64")
-   ELSE()
-     SET(MACHINE_NAME "32")
--  END()
-+  ENDIF()
- ENDIF()
- 
- SET(product_name "mysql-connector-c-${CPACK_PACKAGE_VERSION}-${PLATFORM_NAME}${CONCAT_SIGN}${MACHINE_NAME}")
diff --git a/ports/libmariadb/fix-openssl.patch b/ports/libmariadb/fix-openssl.patch
new file mode 100644
index 00000000000000..01b3b5e0101fcf
--- /dev/null
+++ b/ports/libmariadb/fix-openssl.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 33565f5..d83176d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -280,7 +280,7 @@ IF(NOT WITH_SSL STREQUAL "OFF")
+     IF(OPENSSL_FOUND)
+       ADD_DEFINITIONS(-DHAVE_OPENSSL -DHAVE_TLS)
+       SET(SSL_SOURCES "${CC_SOURCE_DIR}/libmariadb/secure/openssl.c")
+-      SET(SSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
++      SET(SSL_LIBRARIES OpenSSL::SSL)
+       IF(WIN32)
+         CHECK_INCLUDE_FILES (${OPENSSL_INCLUDE_DIR}/openssl/applink.c HAVE_OPENSSL_APPLINK_C)
+       ENDIF()
diff --git a/ports/libmariadb/no-extra-static-lib.patch b/ports/libmariadb/no-extra-static-lib.patch
new file mode 100644
index 00000000000000..333be12495de45
--- /dev/null
+++ b/ports/libmariadb/no-extra-static-lib.patch
@@ -0,0 +1,19 @@
+diff --git a/libmariadb/CMakeLists.txt b/libmariadb/CMakeLists.txt
+index 39fa709..a726a6d 100644
+--- a/libmariadb/CMakeLists.txt
++++ b/libmariadb/CMakeLists.txt
+@@ -455,10 +455,14 @@ IF(NOT WIN32)
+   SET_TARGET_PROPERTIES(mariadbclient PROPERTIES OUTPUT_NAME "${LIBMARIADB_STATIC_NAME}")
+ ENDIF()
+ 
++if(VCPKG_MARIADBCLIENT)
+ INSTALL(TARGETS mariadbclient
+           COMPONENT Development
+           EXPORT unofficial-libmariadb-targets
+           LIBRARY DESTINATION lib)
++else()
++  set_target_properties(mariadbclient PROPERTIES EXCLUDE_FROM_ALL 1)
++endif()
+ INSTALL(TARGETS libmariadb
+           COMPONENT SharedLibraries
+         EXPORT unofficial-libmariadb-targets
diff --git a/ports/libmariadb/pkgconfig.patch b/ports/libmariadb/pkgconfig.patch
new file mode 100644
index 00000000000000..a0cc1c18d48d2e
--- /dev/null
+++ b/ports/libmariadb/pkgconfig.patch
@@ -0,0 +1,60 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0be0fb1..33565f5 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -393,7 +393,7 @@ ENDIF()
+ INCLUDE(${CC_SOURCE_DIR}/plugins/CMakeLists.txt)
+ ADD_SUBDIRECTORY(include)
+ ADD_SUBDIRECTORY(libmariadb)
+-IF(NOT WIN32)
++IF(1)
+   ADD_SUBDIRECTORY(mariadb_config)
+ ENDIF()
+ 
+diff --git a/mariadb_config/CMakeLists.txt b/mariadb_config/CMakeLists.txt
+index 70e619b..7a22fa1 100644
+--- a/mariadb_config/CMakeLists.txt
++++ b/mariadb_config/CMakeLists.txt
+@@ -30,6 +30,15 @@ IF(${rllength} GREATER 0)
+   LIST(REMOVE_DUPLICATES SYSTEM_LIBS)
+ ENDIF()
+ 
++set(REQUIRES_PRIVATE "" CACHE STRING "")
++if(WITH_SSL STREQUAL "OPENSSL")
++  list(REMOVE_ITEM SYSTEM_LIBS ${SSL_LIBRARIES})
++  string(APPEND REQUIRES_PRIVATE " openssl")
++endif()
++if(WITH_EXTERNAL_ZLIB)
++  string(APPEND REQUIRES_PRIVATE " zlib")
++endif()
++
+ FOREACH (LIB_NAME ${SYSTEM_LIBS})
+   GET_LIB_NAME(${LIB_NAME} LIB_OUT)
+   SET(extra_dynamic_LDFLAGS "${extra_dynamic_LDFLAGS} ${LIB_OUT}")
+@@ -50,6 +59,7 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/mariadb_config.c.in
+ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libmariadb.pc.in
+                ${CMAKE_CURRENT_BINARY_DIR}/libmariadb.pc @ONLY)
+ 
++if(0)
+ ADD_EXECUTABLE(mariadb_config ${CMAKE_CURRENT_BINARY_DIR}/mariadb_config.c)
+ 
+ IF(CMAKE_SYSTEM_NAME MATCHES AIX)
+@@ -61,6 +71,7 @@ ENDIF()
+ INSTALL(TARGETS mariadb_config
+         DESTINATION "bin"
+         COMPONENT Development)
++endif()
+ 
+ INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libmariadb.pc
+         DESTINATION "${INSTALL_PCDIR}"
+diff --git a/mariadb_config/libmariadb.pc.in b/mariadb_config/libmariadb.pc.in
+index 968181a..3f0410d 100644
+--- a/mariadb_config/libmariadb.pc.in
++++ b/mariadb_config/libmariadb.pc.in
+@@ -16,5 +16,6 @@ Description: MariaDB Connector/C dynamic library
+ Cflags: -I${includedir}
+ Libs: -L${libdir} -lmariadb
+ Libs.private: @extra_dynamic_LDFLAGS@
++Requires.private: @REQUIRES_PRIVATE@
+ 
+ 
diff --git a/ports/libmariadb/portfile.cmake b/ports/libmariadb/portfile.cmake
index 6f8da25bea9370..5ec7726802d862 100644
--- a/ports/libmariadb/portfile.cmake
+++ b/ports/libmariadb/portfile.cmake
@@ -2,11 +2,19 @@ if (EXISTS "${CURRENT_INSTALLED_DIR}/share/libmysql")
     message(FATAL_ERROR "FATAL ERROR: libmysql and libmariadb are incompatible.")
 endif()
 
+if("openssl" IN_LIST FEATURES AND "schannel" IN_LIST FEATURES)
+    message(FATAL_ERROR "Only one SSL backend must be selected.")
+endif()
+
+if("schannel" IN_LIST FEATURES AND NOT VCPKG_TARGET_IS_WINDOWS)
+    message(FATAL_ERROR "Feature schannel not supported on non-Windows platforms.")
+endif()
+
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO mariadb-corporation/mariadb-connector-c
-    REF 7d304d26c787a3f0430624db977b615aba56e4bb # v3.1.12
-    SHA512 16e74b2cbe401492ef294e2442a00ef1739089152a88d9263ca4d17b65260554b330630e9405813fd9089fa445d676e3b6aa91ac94128ad6b0a299e8b7edc1b3
+    REF b2bb1b213c79169b7c994a99f21f47f11be465d4 # v3.1.15
+    SHA512 51ebd2e9fd505eebc7691c60fe0b86cfc5368f8b370fba6c3ec8f5514319ef1e0de4910ad5e093cd7d5e5c7782120e22e8c85c94af9389fa4e240cedf012d755
     HEAD_REF 3.1
     PATCHES
         arm64.patch
@@ -15,68 +23,55 @@ vcpkg_from_github(
         fix-InstallPath.patch
         fix-iconv.patch
         export-cmake-targets.patch
-        fix-build-error-with-cmake3.20.patch #This can be removed in next release, which has been merged to upstream.
+        pkgconfig.patch
+        no-extra-static-lib.patch
+        fix-openssl.patch
 )
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
     FEATURES 
-        zlib WITH_EXTERNAL_ZLIB
         iconv WITH_ICONV
+        mariadbclient VCPKG_MARIADBCLIENT
 )
 
 if("openssl" IN_LIST FEATURES)
     set(WITH_SSL OPENSSL)
+elseif("schannel" IN_LIST FEATURES)
+    set(WITH_SSL ON)
 else()
     set(WITH_SSL OFF)
 endif()
 
-vcpkg_configure_cmake(
-    SOURCE_PATH ${SOURCE_PATH}
-    PREFER_NINJA
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
         ${FEATURE_OPTIONS}
-        -DINSTALL_PLUGINDIR=plugin/${PORT}
+        -DINSTALL_INCLUDEDIR=include/mysql  # legacy port decisiong
+        -DINSTALL_LIBDIR=lib
+        -DINSTALL_PLUGINDIR=plugins/${PORT}
         -DWITH_UNIT_TESTS=OFF
         -DWITH_CURL=OFF
+        -DWITH_EXTERNAL_ZLIB=ON
         -DWITH_SSL=${WITH_SSL}
+        -DREMOTEIO_PLUGIN_TYPE=OFF
+        -DAUTH_GSSAPI_PLUGIN_TYPE=OFF
+    MAYBE_UNUSED_VARIABLES
+        AUTH_GSSAPI_PLUGIN_TYPE
 )
 
-vcpkg_install_cmake()
-
-vcpkg_fixup_cmake_targets(CONFIG_PATH share/unofficial-libmariadb TARGET_PATH share/unofficial-libmariadb)
-
-vcpkg_fixup_pkgconfig()
-
-if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
-    # remove debug header
-    file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
-endif()
+vcpkg_cmake_install()
 
-if(VCPKG_BUILD_TYPE STREQUAL "debug")
-    # move headers
-    file(RENAME
-        ${CURRENT_PACKAGES_DIR}/debug/include
-        ${CURRENT_PACKAGES_DIR}/include)
-endif()
+vcpkg_cmake_config_fixup(PACKAGE_NAME unofficial-libmariadb)
 
-if (NOT VCPKG_TARGET_IS_WINDOWS)
-    vcpkg_copy_tools(TOOL_NAMES mariadb_config AUTO_CLEAN)
+if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/libmariadb.pc" " -lmariadb" " -llibmariadb")
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libmariadb.pc" " -lmariadb" " -llibmariadb")
+    endif()
 endif()
+vcpkg_fixup_pkgconfig()
 
-# remove plugin folder
-file(REMOVE_RECURSE
-    ${CURRENT_PACKAGES_DIR}/lib/mariadb
-    ${CURRENT_PACKAGES_DIR}/debug/lib/mariadb)
-
-# copy & remove header files
-file(REMOVE
-    ${CURRENT_PACKAGES_DIR}/include/mariadb/my_config.h.in
-    ${CURRENT_PACKAGES_DIR}/include/mariadb/mysql_version.h.in
-    ${CURRENT_PACKAGES_DIR}/include/mariadb/CMakeLists.txt
-    ${CURRENT_PACKAGES_DIR}/include/mariadb/Makefile.am)
-file(RENAME
-    ${CURRENT_PACKAGES_DIR}/include/mariadb
-    ${CURRENT_PACKAGES_DIR}/include/mysql)
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
 
 # copy license file
-file(INSTALL ${SOURCE_PATH}/COPYING.LIB DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
\ No newline at end of file
+file(INSTALL "${SOURCE_PATH}/COPYING.LIB" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
diff --git a/ports/libmariadb/vcpkg.json b/ports/libmariadb/vcpkg.json
index 5658ced391a47c..6d0742e7fd14f0 100644
--- a/ports/libmariadb/vcpkg.json
+++ b/ports/libmariadb/vcpkg.json
@@ -1,13 +1,23 @@
 {
   "name": "libmariadb",
-  "version-semver": "3.1.12",
-  "port-version": 2,
+  "version-semver": "3.1.15",
   "description": "MariaDB Connector/C is used to connect C/C++ applications to MariaDB and MySQL databases",
   "homepage": "https://github.com/MariaDB/mariadb-connector-c",
-  "default-features": [
-    "openssl",
+  "supports": "!uwp",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
     "zlib"
   ],
+  "default-features": [
+    "ssl"
+  ],
   "features": {
     "iconv": {
       "description": "Enables character set conversion",
@@ -15,17 +25,41 @@
         "libiconv"
       ]
     },
+    "mariadbclient": {
+      "description": "Build the static mariadbclient library"
+    },
     "openssl": {
-      "description": "Enable SSL support",
+      "description": "SSL support (OpenSSL)",
       "dependencies": [
         "openssl"
       ]
     },
-    "zlib": {
-      "description": "Use internal zlib",
+    "schannel": {
+      "description": "SSL support (Secure Channel)"
+    },
+    "ssl": {
+      "description": "Default SSL backend",
       "dependencies": [
-        "zlib"
+        {
+          "name": "libmariadb",
+          "default-features": false,
+          "features": [
+            "schannel"
+          ],
+          "platform": "windows | mingw"
+        },
+        {
+          "name": "libmariadb",
+          "default-features": false,
+          "features": [
+            "openssl"
+          ],
+          "platform": "!windows & !mingw"
+        }
       ]
+    },
+    "zlib": {
+      "description": "Obsolete. zlib is always used. This feature is left for compatibility."
     }
   }
 }
diff --git a/ports/poco/fix_dependency.patch b/ports/poco/fix_dependency.patch
index 2fd917affa77de..4b47bfddb299eb 100644
--- a/ports/poco/fix_dependency.patch
+++ b/ports/poco/fix_dependency.patch
@@ -33,7 +33,7 @@ index 4e05272..44dd7cb 100644
 +    find_package(libmysql)
 +    if (NOT libmysql_FOUND)
 +        find_package(unofficial-libmariadb CONFIG REQUIRED)
-+        set(MYSQL_LIBRARIES libmariadb)
++        set(MYSQL_LIBRARIES unofficial::libmariadb)
 +    endif()
  endif()
  
diff --git a/ports/poco/vcpkg.json b/ports/poco/vcpkg.json
index 0f6f37ab5ac9cf..2090861431af97 100644
--- a/ports/poco/vcpkg.json
+++ b/ports/poco/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "poco",
   "version-semver": "1.11.0",
+  "port-version": 1,
   "description": "Modern, powerful open source C++ class libraries for building network and internet-based applications that run on desktop, server, mobile and embedded systems.",
   "homepage": "https://github.com/pocoproject/poco",
   "supports": "!uwp",
diff --git a/scripts/ci.baseline.txt b/scripts/ci.baseline.txt
index bbcb9d010a8a1d..19c7102d5bbb4b 100644
--- a/scripts/ci.baseline.txt
+++ b/scripts/ci.baseline.txt
@@ -611,7 +611,6 @@ libmariadb:x64-uwp            = skip
 libmariadb:x64-windows        = skip
 libmariadb:x64-windows-static = skip
 libmariadb:x64-windows-static-md=skip
-libmariadb:x86-windows        = skip
 # libmesh installs tons of problematic files that conflict with other ports (boost, eigen, etc)
 libmesh:arm64-windows=skip
 libmesh:arm-uwp=skip
diff --git a/versions/baseline.json b/versions/baseline.json
index 0caeab705254ab..2b12d8e8addf22 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3609,8 +3609,8 @@
       "port-version": 1
     },
     "libmariadb": {
-      "baseline": "3.1.12",
-      "port-version": 2
+      "baseline": "3.1.15",
+      "port-version": 0
     },
     "libmaxminddb": {
       "baseline": "1.4.3",
@@ -5278,7 +5278,7 @@
     },
     "poco": {
       "baseline": "1.11.0",
-      "port-version": 0
+      "port-version": 1
     },
     "podofo": {
       "baseline": "0.9.7",
diff --git a/versions/l-/libmariadb.json b/versions/l-/libmariadb.json
index ea10d0ad8f7689..2a3c4716b4dcd0 100644
--- a/versions/l-/libmariadb.json
+++ b/versions/l-/libmariadb.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "c51d4e78081ee708c1cdebeaaa201aa0064079e3",
+      "version-semver": "3.1.15",
+      "port-version": 0
+    },
     {
       "git-tree": "64479ab60db54486912b858f760af83dd2474f1c",
       "version-semver": "3.1.12",
diff --git a/versions/p-/poco.json b/versions/p-/poco.json
index c66b34c0a4778f..69062dd6e92abc 100644
--- a/versions/p-/poco.json
+++ b/versions/p-/poco.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "83279266114bf6eab34a86e6009313e10f3aa11e",
+      "version-semver": "1.11.0",
+      "port-version": 1
+    },
     {
       "git-tree": "e8f4d5c1548d23526e05b069ee626d7d7f9a4399",
       "version-semver": "1.11.0",