diff --git a/.github/variables/cache_number.env b/.github/variables/cache_number.env
deleted file mode 100644
index 9295ac7a..00000000
--- a/.github/variables/cache_number.env
+++ /dev/null
@@ -1 +0,0 @@
-CACHE_NUMBER=0
\ No newline at end of file
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 8c655683..97eae0c0 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -22,7 +22,7 @@ jobs:
           cp .ci_support/environment.yml environment.yml
           echo "- flux-core =0.59.0" >> environment.yml
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: '3.12'
           miniforge-variant: Mambaforge
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 860b55ad..9d929bd0 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,7 @@ jobs:
       id-token: write
     steps:
     - uses: actions/checkout@v4
-    - uses: conda-incubator/setup-miniconda@v2.2.0
+    - uses: conda-incubator/setup-miniconda@v3
       with:
         python-version: "3.12"
         mamba-version: "*"
diff --git a/.github/workflows/mini.yml b/.github/workflows/mini.yml
index ffbad095..c4508964 100644
--- a/.github/workflows/mini.yml
+++ b/.github/workflows/mini.yml
@@ -21,7 +21,7 @@ jobs:
           sed -i '/paramiko/d' environment.yml
           sed -i '/tqdm/d' environment.yml
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: '3.12'
           miniforge-variant: Mambaforge
diff --git a/.github/workflows/notebooks.yml b/.github/workflows/notebooks.yml
index f4592b43..05774068 100644
--- a/.github/workflows/notebooks.yml
+++ b/.github/workflows/notebooks.yml
@@ -17,7 +17,7 @@ jobs:
           cp binder/environment.yml environment.yml
           tail --lines=+4 .ci_support/environment-notebooks.yml >> environment.yml
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: "3.12"
           miniforge-variant: Mambaforge
@@ -37,4 +37,4 @@ jobs:
         shell: bash -l {0}
         run: >
           flux start
-          papermill notebooks/example.ipynb example-out.ipynb -k "python3"
\ No newline at end of file
+          papermill notebooks/example.ipynb example-out.ipynb -k "python3"
diff --git a/.github/workflows/pypicheck.yml b/.github/workflows/pypicheck.yml
index c67a6d96..2ed0ad6a 100644
--- a/.github/workflows/pypicheck.yml
+++ b/.github/workflows/pypicheck.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: '3.12'
           miniforge-variant: Mambaforge
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index b9882ccd..71455229 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -16,38 +16,26 @@ jobs:
         include:
           - operating-system: macos-latest
             python-version: '3.12'
-            label: osx-64-py-3-12
-            prefix: /Users/runner/miniconda3/envs/my-env
 
           - operating-system: windows-latest
             python-version: '3.12'
-            label: win-64-py-3-12
-            prefix: C:\Miniconda3\envs\my-env
 
           - operating-system: ubuntu-latest
             python-version: '3.12'
-            label: linux-64-py-3-12
-            prefix: /usr/share/miniconda3/envs/my-env
 
           - operating-system: ubuntu-latest
             python-version: '3.11'
-            label: linux-64-py-3-11
-            prefix: /usr/share/miniconda3/envs/my-env
 
           - operating-system: ubuntu-latest
             python-version: '3.10'
-            label: linux-64-py-3-10
-            prefix: /usr/share/miniconda3/envs/my-env
 
           - operating-system: ubuntu-latest
             python-version: 3.9
-            label: linux-64-py-3-9
-            prefix: /usr/share/miniconda3/envs/my-env
 
     steps:
       - uses: actions/checkout@v4
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: ${{ matrix.python-version }}
           miniforge-variant: Mambaforge
diff --git a/.github/workflows/unittests_old.yml b/.github/workflows/unittests_old.yml
index 29cd8892..b4bbf41a 100644
--- a/.github/workflows/unittests_old.yml
+++ b/.github/workflows/unittests_old.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Setup Mambaforge
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: '3.9'
           miniforge-variant: Mambaforge