Update copyright to 2026 (#3834)

Author: paulromano

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2011-2025 Massachusetts Institute of Technology, UChicago Argonne
+Copyright (c) 2011-2026 Massachusetts Institute of Technology, UChicago Argonne
 LLC, and OpenMC contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of

docs/source/conf.py

@@ -62,7 +62,7 @@
 
 # General information about the project.
 project = 'OpenMC'
-copyright = '2011-2025, Massachusetts Institute of Technology, UChicago Argonne LLC, and OpenMC contributors'
+copyright = '2011-2026, Massachusetts Institute of Technology, UChicago Argonne LLC, and OpenMC contributors'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the

docs/source/license.rst

@@ -4,7 +4,7 @@
 License Agreement
 =================
 
-Copyright © 2011-2025 Massachusetts Institute of Technology, UChicago Argonne
+Copyright © 2011-2026 Massachusetts Institute of Technology, UChicago Argonne
 LLC, and OpenMC contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of

man/man1/openmc.1

@@ -66,7 +66,7 @@ Indicates the default path to an HDF5 file that contains multi-group cross
 section libraries if the user has not specified the <cross_sections> tag in
 .I materials.xml\fP.
 .SH LICENSE
-Copyright \(co 2011-2025 Massachusetts Institute of Technology, UChicago
+Copyright \(co 2011-2026 Massachusetts Institute of Technology, UChicago
 Argonne LLC, and OpenMC contributors.
 .PP
 Permission is hereby granted, free of charge, to any person obtaining a copy of

src/output.cpp

@@ -81,7 +81,7 @@ void title()
   // Write version information
   fmt::print(
     "                 | The OpenMC Monte Carlo Code\n"
-    "       Copyright | 2011-2025 MIT, UChicago Argonne LLC, and contributors\n"
+    "       Copyright | 2011-2026 MIT, UChicago Argonne LLC, and contributors\n"
     "         License | https://docs.openmc.org/en/latest/license.html\n"
     "         Version | {}.{}.{}{}{}\n",
     VERSION_MAJOR, VERSION_MINOR, VERSION_RELEASE, VERSION_DEV ? "-dev" : "",
@@ -301,7 +301,7 @@ void print_version()
     fmt::print("OpenMC version {}.{}.{}{}{}\n", VERSION_MAJOR, VERSION_MINOR,
       VERSION_RELEASE, VERSION_DEV ? "-dev" : "", VERSION_COMMIT_COUNT);
     fmt::print("Commit hash: {}\n", VERSION_COMMIT_HASH);
-    fmt::print("Copyright (c) 2011-2025 MIT, UChicago Argonne LLC, and "
+    fmt::print("Copyright (c) 2011-2026 MIT, UChicago Argonne LLC, and "
                "contributors\nMIT/X license at "
                "<https://docs.openmc.org/en/latest/license.html>\n");
   }