Update ci.yml

Author: pdimov

.github/workflows/ci.yml

@@ -89,6 +89,12 @@ jobs:
             os: ubuntu-latest
             install: g++-14-multilib
             address-model: 32,64
+          - toolset: gcc-15
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:25.10
+            os: ubuntu-latest
+            install: g++-15-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "11,14"
@@ -178,18 +184,30 @@ jobs:
           - toolset: clang
             compiler: clang++-19
             cxxstd: "11,14,17,20,2b"
-            container: ubuntu:24.10
+            container: ubuntu:24.04
             os: ubuntu-latest
             install: clang-19
           - toolset: clang
-            cxxstd: "11,14,17,20,2b"
-            os: macos-13
+            compiler: clang++-20
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-20
+          - toolset: clang
+            compiler: clang++-21
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:25.10
+            os: ubuntu-latest
+            install: clang-21
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
             os: macos-14
           - toolset: clang
             cxxstd: "11,14,17,20,2b"
             os: macos-15
+          - toolset: clang
+            cxxstd: "11,14,17,20,23,2c"
+            os: macos-26
 
     runs-on: ${{matrix.os}}
 
@@ -263,26 +281,18 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - toolset: msvc-14.0
-            cxxstd: 14,latest
-            addrmd: 32,64
-            os: windows-2019
-          - toolset: msvc-14.2
-            cxxstd: "14,17,20,latest"
-            addrmd: 32,64
-            os: windows-2019
           - toolset: msvc-14.3
             cxxstd: "14,17,20,latest"
             addrmd: 32,64
             os: windows-2022
           - toolset: clang-win
-            cxxstd: "14,17,latest"
+            cxxstd: "14,17,20,latest"
             addrmd: 32,64
-            os: windows-2022
+            os: windows-2025
           - toolset: gcc
             cxxstd: "11,14,17,2a"
             addrmd: 64
-            os: windows-2019
+            os: windows-2022
 
     runs-on: ${{matrix.os}}
 
@@ -322,12 +332,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -371,12 +377,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -430,12 +432,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -487,8 +485,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}
 
@@ -536,8 +533,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}
 
@@ -603,8 +599,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}