Merge pull request GraphBLAS#380 from GraphBLAS/v1.2.1

V1.2.1: performance fix for maxflow, and github CI fix for macos

Author: DrTimothyAldenDavis

.github/workflows/build.yml

@@ -78,6 +78,7 @@ jobs:
 
     - name: Install dependencies
       run: |
+        brew uninstall cmake
         brew tap-new libomp/cask
         brew extract --version=14.0.6 libomp libomp/cask
         brew install [email protected]

ChangeLog

@@ -1,3 +1,7 @@
+Sept 1, 2025: version 1.2.1
+
+    * MaxFlow: performance bug fix for results in HPEC'25 paper.
+
 July 25, 2025: version 1.2.0
 
     * v2.1 C API: using the new GrB_get/set methods in the C API;