To master

.codecov.yml

@@ -12,6 +12,16 @@ codecov:
     after_n_builds: 1
     wait_for_ci: yes
 
+# Make coverage checks informational (report but never fail CI)
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true
+
 # Change how pull request comments look
 comment:
   layout: "reach,diff,flags,files,footer"

.drone.star

@@ -21,7 +21,7 @@ def main(ctx):
     # and cmake-superproject (linux/latest gcc) by default
     jobs = generate(
         [
-            'gcc >=12.0',
+            'gcc >=13.0',
             'clang >=17.0',
             'msvc >=14.1',
             'arm64-gcc latest',
@@ -46,7 +46,26 @@ def main(ctx):
             environment={
                 'B2_TOOLSET': 'clang',
                 'B2_CXXSTD': '20',
-                'B2_CXXFLAGS': '-fexperimental-library',
+            },
+            globalenv=globalenv),
+
+        osx_cxx("macOS: Clang 26.2.0", "clang++", packages="",
+            buildscript="drone", buildtype="boost",
+            xcode_version="26.2.0",
+            environment={
+                'B2_TOOLSET': 'clang',
+                'B2_CXXSTD': '20',
+            },
+            globalenv=globalenv),
+    ]
+
+    jobs += [
+        freebsd_cxx("clang-22", "clang++-22",
+            buildscript="drone", buildtype="boost",
+            freebsd_version="15.0",
+            environment={
+                'B2_TOOLSET': 'clang-22',
+                'B2_CXXSTD': '20',
             },
             globalenv=globalenv),
     ]

.github/compilers.json

@@ -0,0 +1,153 @@
+{
+  "gcc": [
+    {
+      "version": "13",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "cxx": "g++-13",
+      "cc": "gcc-13",
+      "b2_toolset": "gcc",
+      "arm": true,
+      "is_earliest": true
+    },
+    {
+      "version": "14",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "cxx": "g++-14",
+      "cc": "gcc-14",
+      "b2_toolset": "gcc",
+      "arm": true
+    },
+    {
+      "version": "15",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "container": "ubuntu:25.04",
+      "cxx": "g++-15",
+      "cc": "gcc-15",
+      "b2_toolset": "gcc",
+      "is_latest": true
+    }
+  ],
+  "clang": [
+    {
+      "version": "17",
+      "cxxstd": "20",
+      "latest_cxxstd": "20",
+      "runs_on": "ubuntu-24.04",
+      "cxx": "clang++-17",
+      "cc": "clang-17",
+      "b2_toolset": "clang",
+      "arm": true,
+      "is_earliest": true
+    },
+    {
+      "version": "18",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "cxx": "clang++-18",
+      "cc": "clang-18",
+      "b2_toolset": "clang",
+      "arm": true
+    },
+    {
+      "version": "19",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "cxx": "clang++-19",
+      "cc": "clang-19",
+      "b2_toolset": "clang",
+      "arm": true
+    },
+    {
+      "version": "20",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "ubuntu-24.04",
+      "container": "ubuntu:24.04",
+      "cxx": "clang++-20",
+      "cc": "clang-20",
+      "b2_toolset": "clang",
+      "arm": true,
+      "is_latest": true,
+      "clang_tidy": true
+    }
+  ],
+  "msvc": [
+    {
+      "version": "14.34",
+      "cxxstd": "20",
+      "latest_cxxstd": "20",
+      "runs_on": "windows-2022",
+      "b2_toolset": "msvc-14.3",
+      "generator": "Visual Studio 17 2022",
+      "is_earliest": true
+    },
+    {
+      "version": "14.44",
+      "cxxstd": "20",
+      "latest_cxxstd": "20",
+      "runs_on": "windows-2022",
+      "b2_toolset": "msvc-14.4",
+      "generator": "Visual Studio 17 2022",
+      "is_latest": true
+    }
+  ],
+  "mingw": [
+    {
+      "version": "*",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "windows-2022",
+      "cxx": "clang++",
+      "cc": "clang",
+      "b2_toolset": "clang",
+      "build_cmake": false,
+      "is_latest": true
+    }
+  ],
+  "clang-cl": [
+    {
+      "version": "*",
+      "cxxstd": "20",
+      "latest_cxxstd": "20",
+      "runs_on": "windows-2022",
+      "cxx": "clang++-cl",
+      "cc": "clang-cl",
+      "b2_toolset": "clang-win",
+      "generator_toolset": "ClangCL",
+      "build_cmake": false,
+      "is_latest": true
+    }
+  ],
+  "apple-clang": [
+    {
+      "version": "*",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "macos-15",
+      "cxx": "clang++",
+      "cc": "clang",
+      "b2_toolset": "clang",
+      "cxxflags": "-fvisibility=hidden -fvisibility-inlines-hidden",
+      "is_earliest": true
+    },
+    {
+      "version": "*",
+      "cxxstd": "20,23",
+      "latest_cxxstd": "23",
+      "runs_on": "macos-26",
+      "cxx": "clang++",
+      "cc": "clang",
+      "b2_toolset": "clang",
+      "cxxflags": "-fvisibility=hidden -fvisibility-inlines-hidden",
+      "is_latest": true
+    }
+  ]
+}