diff --git a/.gitlab/issue_templates/bug.md b/.gitlab/issue_templates/bug.md
index 448debd745..e8a7b2014e 100644
--- a/.gitlab/issue_templates/bug.md
+++ b/.gitlab/issue_templates/bug.md
@@ -49,7 +49,7 @@
 
 <!--
   Providing details of your set-up can help us identify any issues, e.g.
-  OpenFOAM version : v2206|v2112|v2106|v2012|v2006 etc
+  OpenFOAM version : v2212|v2206|v2112|v2106|v2012 etc
   Operating system : ubuntu|openSUSE|centos etc
   Hardware info    : any info that may help?
   Compiler         : gcc|intel|clang etc
diff --git a/META-INFO/api-info b/META-INFO/api-info
index 166e573ce1..8f3112d5ea 100644
--- a/META-INFO/api-info
+++ b/META-INFO/api-info
@@ -1,2 +1,2 @@
-api=2208
-patch=220907
+api=2212
+patch=0
diff --git a/README.md b/README.md
index 89394eaeaa..0fbab6f54f 100644
--- a/README.md
+++ b/README.md
@@ -40,9 +40,9 @@ Violations of the Trademark are monitored, and will be duly prosecuted.
 
 If OpenFOAM has already been compiled on your system, simply source
 the appropriate `etc/bashrc` or `etc/cshrc` file and get started.
-For example, for the OpenFOAM-v2206 version:
+For example, for the OpenFOAM-v2212 version:
 ```
-source /installation/path/OpenFOAM-v2206/etc/bashrc
+source /installation/path/OpenFOAM-v2212/etc/bashrc
 ```
 
 ## Compiling OpenFOAM
@@ -127,8 +127,8 @@ These 3rd-party sources are normally located in a directory parallel
 to the OpenFOAM directory. For example,
 ```
 /path/parent
-|-- OpenFOAM-v2206
-\-- ThirdParty-v2206
+|-- OpenFOAM-v2212
+\-- ThirdParty-v2212
 ```
 There are, however, many cases where this simple convention is inadequate:
 
@@ -136,7 +136,7 @@ There are, however, many cases where this simple convention is inadequate:
   operating system or cluster installation provides it)
 
 * When we have changed the OpenFOAM directory name to some arbitrary
-  directory name, e.g. openfoam-sandbox2206, etc..
+  directory name, e.g. openfoam-sandbox2212, etc..
 
 * When we would like any additional 3rd party software to be located
   inside of the OpenFOAM directory to ensure that the installation is
@@ -156,9 +156,9 @@ when locating the ThirdParty directory with the following precedence:
 2. PREFIX/ThirdParty-VERSION
    * this corresponds to the traditional approach
 3. PREFIX/ThirdParty-vAPI
-   * allows for an updated value of VERSION, *eg*, `v2206-myCustom`,
+   * allows for an updated value of VERSION, *eg*, `v2212-myCustom`,
      without requiring a renamed ThirdParty. The API value would still
-     be `2206` and the original `ThirdParty-v2206/` would be found.
+     be `2212` and the original `ThirdParty-v2212/` would be found.
 4. PREFIX/ThirdParty-API
    * same as the previous example, but using an unadorned API value.
 5. PREFIX/ThirdParty-common
diff --git a/doc/BuildIssues.md b/doc/BuildIssues.md
index f207ccd1b2..991fccabf9 100644
--- a/doc/BuildIssues.md
+++ b/doc/BuildIssues.md
@@ -1,4 +1,4 @@
-## Known Build Issues (v2206, v2112, v2106, v2012)
+## Known Build Issues (v2212, v2206, v2112, v2106, v2012)
 
 ### Windows cross-compilation
 
diff --git a/doc/Requirements.md b/doc/Requirements.md
index 03cefeb9d4..d4c8e9e1aa 100644
--- a/doc/Requirements.md
+++ b/doc/Requirements.md
@@ -4,7 +4,7 @@ OpenFOAM requires a functioning C++11 compiler and GNU `make` build toolchain.
 
 ### Minimum recommended versions
 
-- gcc : 4.8.5
+- gcc : 4.8.5 (absolute minimum, not really recommended)
 - cmake: 3.8 (required for ParaView and CGAL build)
 - boost: 1.48 (required for CGAL build and some functionality)
 - fftw: 3.3.7 (recommended - required for FFT-related functionality)
@@ -18,7 +18,8 @@ To check the installed versions
 | Program       | To check the version  |
 |---------------|-----------------------|
 | gcc           | `gcc --version`       |
-| icc           | `icc --version`       |
+| clang         | `clang --version`     |
+| icc (intel)   | `icc --version`       |
 | cmake         | `cmake --version`     |
 | openmpi       | `orterun --version`   |
 
@@ -47,7 +48,7 @@ affected several versions of the openmpi2 or openmpi3 series.
 - QT : 5.9 (optional - for ParaView build)
 
 
-### Ubuntu (eg, 20.04)
+### Ubuntu (eg, 22.04)
 
 Install dependencies by executing the following lines on the command line:
 ```
@@ -65,11 +66,11 @@ sudo apt-cache show libopenmpi-dev
 
 | Program   | Ubuntu    | Program version |
 |-----------|-----------|-----------------|
-| gcc       | 20.04     | 9.3.0           |
-| openmpi   | 20.04     | 4.0.3           |
-| cmake     | 20.04     | 3.16.3          |
-| flex      | 20.04     | 2.6.4           |
-| m4        | 20.04     | 1.4.18          |
+| gcc       | 22.04     | 11.3.0          |
+| openmpi   | 22.04     | 4.1.2           |
+| cmake     | 22.04     | 3.22.1          |
+| flex      | 22.04     | 2.6.4           |
+| m4        | 22.04     | 1.4.18          |
 
 
 
@@ -80,10 +81,10 @@ apt-get install libfftw3-dev libscotch-dev libptscotch-dev libboost-system-dev l
 
 | Program   | apt-cache show  | Ubuntu  | Version |
 |-----------|-----------------|---------|---------|
-| boost     | libboost-dev    | 20.04   | 1.71.0  |
-| CGAL      | libcgal-dev     | 20.04   | 5.0.2   |
-| FFTW      | libfftw3-dev    | 20.04   | 3.3.8   |
-| scotch    | libscotch-dev   | 20.04   | 6.0.9   |
+| boost     | libboost-dev    | 22.04   | 1.74.0  |
+| CGAL      | libcgal-dev     | 22.04   | 5.4.1   |
+| FFTW      | libfftw3-dev    | 22.04   | 3.3.8   |
+| scotch    | libscotch-dev   | 22.04   | 6.1.3   |
 
 
 Some libraries can be installed from the operating system, or
@@ -95,14 +96,14 @@ across various Linux distributions, but it may be desirable to use
 more system libraries on Ubuntu.
 
 
-### openSUSE (eg, Leap-15.2)
+### openSUSE (eg, Leap-15.4)
 
 Install the dependencies by copying and pasting the following lines to
 the command line:
 
 ```
 sudo zypper install -t pattern devel_C_C++
-sudo zypper install cmake gnuplot flex libfl-devel readline-devel zlib-devel openmpi-devel
+sudo zypper install cmake gnuplot flex libfl-devel readline-devel zlib-devel openmpi4-devel
 sudo zypper install gmp-devel mpfr-devel mpc-devel
 ```
 If you intend to use system components, you can also install the following:
@@ -119,11 +120,12 @@ This installs
 
 | Program   | openSUSE  | Program version |
 |-----------|-----------|-----------------|
-| gcc       | 15.2      | 7.5.0           |
-| openmpi   | 15.2      | 2.1.6           |
-| cmake     | 15.2      | 3.17.0          |
-| flex      | 15.2      | 2.6.4           |
-| m4        | 15.2      | 1.4.18          |
+| gcc       | 15.4      | 7.5.0           |
+| openmpi   | 15.4      | 2.1.6           |
+| openmpi   | 15.4      | 4.1.1           |
+| cmake     | 15.4      | 3.20.4          |
+| flex      | 15.4      | 2.6.4           |
+| m4        | 15.4      | 1.4.18          |
 
 
 #### OpenMPI
@@ -215,4 +217,4 @@ at any later stage _without_ recompiling OpenFOAM itself.
 [wiki-config]: https://develop.openfoam.com/Development/openfoam/-/wikis/configuring
 
 ---
-Copyright 2019-2021 OpenCFD Ltd
+Copyright 2019-2022 OpenCFD Ltd
diff --git a/wmake/rules/General/general b/wmake/rules/General/general
index cd7f4cc9df..bca9d5fee0 100644
--- a/wmake/rules/General/general
+++ b/wmake/rules/General/general
@@ -1,5 +1,5 @@
 #-------------------------------*- makefile -*---------------------------------
-WM_VERSION = OPENFOAM=2208
+WM_VERSION = OPENFOAM=2212
 
 AR         = ar
 ARFLAGS    = cr