Remove unnececessary Python versions in integration tests. Remove support for Python 3.8

.github/workflows/integration-test.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.15"]
     steps:
       - uses: actions/checkout@v3
 
@@ -51,7 +51,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.15"]
     steps:
       - uses: actions/checkout@v3
 
@@ -89,10 +89,10 @@ jobs:
 
   MacOS-test:
     if: github.event_name != 'pull_request'
-    runs-on: macos-latest
+    runs-on: macos-15
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.15"]
     steps:
       - uses: actions/checkout@v3
 
@@ -139,10 +139,19 @@ jobs:
     steps:
       - name: Check integration test results
         run: |
-          echo "Results: ${{ join(needs.*.result, ', ') }}"
-          if ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}; then
-            exit 1
-          fi
+          failed=0
+          for entry in "Integration-test=${{ needs.Integration-test.result }}" \
+                       "Windows-test=${{ needs.Windows-test.result }}" \
+                       "MacOS-test=${{ needs.MacOS-test.result }}"; do
+            job=${entry%%=*}
+            result=${entry#*=}
+            echo "$job: $result"
+            if [ "$result" != "success" ] && [ "$result" != "skipped" ]; then
+              echo "::error::$job finished with result '$result'"
+              failed=1
+            fi
+          done
+          exit $failed
 
   ### if you need valgrind on mac, you can install it via
   # brew tap LouisBrunner/valgrind

CHANGELOG.md

@@ -19,6 +19,7 @@
 - Speed up `PowExpr._evaluate` via the C-level API
 - `PowExpr._evaluate` now raises `ValueError("math domain error")` for a negative base with a non-integer exponent and `OverflowError` when the result overflows.
 ### Removed
+- Removed support for Python 3.8
 
 ## 6.3.0 - 2026.10.11
 ### Added

INSTALL.md

@@ -3,9 +3,9 @@ Requirements
 
 From version 5.0.0, SCIP is automatically shipped when using PyPI for the following systems:
 
-- CPython 3.8 / 3.9 / 3.10 / 3.11 / 3.12 for  Linux (manylinux2014)
-- CPython 3.8 / 3.9 / 3.10 / 3.11 / 3.12 for MacOS for x86_64 / ARM64
-- CPython 3.8 / 3.9 / 3.10 / 3.11 / 3.12 for Windows 64bit
+- CPython 3.9 to 3.15 for Linux x86_64 / aarch64 (manylinux_2_28)
+- CPython 3.9 to 3.15 for MacOS x86_64 / ARM64
+- CPython 3.9 to 3.15 for Windows 64bit
 
 This work is currently ongoing, and is planned to encompass all Python and OS combinations. 
 

pyproject.toml

@@ -9,7 +9,7 @@ authors = [
     {name = "Zuse Institute Berlin", email = "scip@zib.de"},
 ]
 dependencies = ['numpy >=1.16.0']
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 readme = "README.md"
 classifiers = [
     "Development Status :: 4 - Beta",