Bump version to 3.1.0a4

README.rst

@@ -94,7 +94,7 @@ possible.
 Development Site
 ================
 
-The current development version is 3.1.0a3. The current stable version is
+The current development version is 3.1.0a4. The current stable version is
 3.0.0. The `latest Cantera source code <https://github.com/Cantera/cantera>`_,
 the `issue tracker <https://github.com/Cantera/cantera/issues>`_ for bugs and
 enhancement requests, `downloads of Cantera releases and binary installers

SConstruct

@@ -157,7 +157,7 @@ logger.info(
     f"SCons {SCons.__version__} is using the following Python interpreter:\n"
     f"    {sys.executable} (Python {python_version})", print_level=False)
 
-cantera_version = "3.1.0a3"
+cantera_version = "3.1.0a4"
 # For use where pre-release tags are not permitted (MSI, sonames)
 cantera_pure_version = re.match(r'(\d+\.\d+\.\d+)', cantera_version).group(0)
 cantera_short_version = re.match(r'(\d+\.\d+)', cantera_version).group(0)

doc/doxygen/Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = Cantera
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 3.1.0a3
+PROJECT_NUMBER         = 3.1.0a4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

interfaces/cython/cantera/ck2yaml.py

@@ -2055,7 +2055,7 @@ def write_yaml(self, name='gas', out_name='mech.yaml'):
             metadata = BlockMap([
                 ("generator", "ck2yaml"),
                 ("input-files", FlowList(self.files)),
-                ("cantera-version", "3.1.0a3"),
+                ("cantera-version", "3.1.0a4"),
                 ("date", formatdate(localtime=True)),
             ])
             if desc.strip():

interfaces/cython/cantera/cti2yaml.py

@@ -1661,7 +1661,7 @@ def convert(filename=None, output_name=None, text=None, encoding="latin-1"):
         # information regarding conversion
         metadata = BlockMap([
             ("generator", "cti2yaml"),
-            ("cantera-version", "3.1.0a3"),
+            ("cantera-version", "3.1.0a4"),
             ("date", formatdate(localtime=True)),
         ])
         if filename != "<string>":

interfaces/cython/cantera/ctml2yaml.py

@@ -2637,7 +2637,7 @@ def convert(
     metadata = BlockMap(
         {
             "generator": "ctml2yaml",
-            "cantera-version": "3.1.0a3",
+            "cantera-version": "3.1.0a4",
             "date": formatdate(localtime=True),
         }
     )