diff --git a/.github/workflows/macos_build.yml b/.github/workflows/macos_build.yml
index 543b46d9..7223278c 100644
--- a/.github/workflows/macos_build.yml
+++ b/.github/workflows/macos_build.yml
@@ -10,19 +10,14 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v6
-      # Normally, we would use the superbly maintained...
-      # - uses: actions/setup-python@v2
-      #   with:
-      #    python-version: ${{ matrix.python-version }}
-      # ... but in the repo, we want to test pyenv builds on macOS
       - run: |
           brew install openssl readline sqlite3 xz tcl-tk@8 libb2 zstd
       # https://github.com/pyenv/pyenv#installation
diff --git a/.github/workflows/modified_scripts_build.yml b/.github/workflows/modified_scripts_build.yml
index ffbf0ba7..71dd3cb3 100644
--- a/.github/workflows/modified_scripts_build.yml
+++ b/.github/workflows/modified_scripts_build.yml
@@ -121,33 +121,22 @@ jobs:
           pyenv --debug install ${{ matrix.python-version }} && rc=$? || rc=$?
           if [[ $rc -ne 0 ]]; then echo config.log:; cat $TMPDIR/python-build*/*/config.log; false; fi
           pyenv global ${{ matrix.python-version }}
-      # Micropython doesn't support --version
       - run: |
           #print version
-          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
-            python -c 'import sys; print(sys.version)'
-          else
-            python --version
-            python -m pip --version
-          fi
-      # Micropython doesn't support sys.executable, os.path, older versions even os
+          python --version
+          python -m pip --version
       - env:
           EXPECTED_PYTHON: ${{ matrix.python-version }}
         run: |
           #check
-          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
-            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
-            python -c 'import sys; assert sys.implementation.name == "micropython"'
-          else
-            python -c 'if True:
-            import os, sys, os.path
-            correct_dir = os.path.join(
-              os.environ["PYENV_ROOT"],
-              "versions",
-              os.environ["EXPECTED_PYTHON"],
-              "bin")
-            assert os.path.dirname(sys.executable) == correct_dir'
-          fi
+          python -c 'if True:
+          import os, sys, os.path
+          correct_dir = os.path.join(
+            os.environ["PYENV_ROOT"],
+            "versions",
+            os.environ["EXPECTED_PYTHON"],
+            "bin")
+          assert os.path.dirname(sys.executable) == correct_dir'
       # bundled executables in some Anaconda releases cause the post-run step to hang in MacOS
       - run: |
           pyenv global system
@@ -245,30 +234,19 @@ jobs:
           pyenv --debug install ${{ matrix.python-version }} && rc=$? || rc=$?
           if [[ $rc -ne 0 ]]; then echo config.log:; cat $TMPDIR/python-build*/*/config.log; false; fi
           pyenv global ${{ matrix.python-version }}
-      # Micropython doesn't support --version
       - run: |
           #print version
-          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
-            python -c 'import sys; print(sys.version)'
-          else
-            python --version
-            python -m pip --version
-          fi
-      # Micropython doesn't support sys.executable, os.path, older versions even os
+          python --version
+          python -m pip --version
       - env:
           EXPECTED_PYTHON: ${{ matrix.python-version }}
         run: |
           #check
-          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
-            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
-            python -c 'import sys; assert sys.implementation.name == "micropython"'
-          else
-            python -c 'if True:
-            import os, sys, os.path
-            correct_dir = os.path.join(
-              os.environ["PYENV_ROOT"],
-              "versions",
-              os.environ["EXPECTED_PYTHON"],
-              "bin")
-            assert os.path.dirname(sys.executable) == correct_dir'
-          fi
+          python -c 'if True:
+          import os, sys, os.path
+          correct_dir = os.path.join(
+            os.environ["PYENV_ROOT"],
+            "versions",
+            os.environ["EXPECTED_PYTHON"],
+            "bin")
+          assert os.path.dirname(sys.executable) == correct_dir'
diff --git a/.github/workflows/pyenv_tests.yml b/.github/workflows/pyenv_tests.yml
index 32694106..f9e10924 100644
--- a/.github/workflows/pyenv_tests.yml
+++ b/.github/workflows/pyenv_tests.yml
@@ -13,26 +13,14 @@ jobs:
           - ubuntu-24.04
           - ubuntu-22.04
           - macos-15-intel
+          - macos-15
           - macos-14
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v6
-      # Normally, we would use the superbly maintained...
-      # - uses: actions/setup-python@v2
-      #   with:
-      #    python-version: ${{ matrix.python-version }}
-      # ... but in the repo, we want to test pyenv builds on Ubuntu
-      # - run: |
-          # sudo apt-get install -y build-essential libssl-dev zlib1g-dev libbz2-dev \
-              # libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
-              # xz-utils tk-dev libffi-dev liblzma-dev python-openssl git
-      # https://github.com/pyenv/pyenv#installation
       - run: |
           if test "$RUNNER_OS" == "macOS"; then
             brew install coreutils fish
-          elif [[ $(lsb_release -sr | awk -F. '{print $1}') -ge 20 ]]; then
-            # Ubuntu 18 has fish 2 which lacks many features that facilitate testing
-            sudo apt install fish -yq
           fi
       - run: pwd
       - env:
diff --git a/.github/workflows/ubuntu_build.yml b/.github/workflows/ubuntu_build.yml
index 99bf5fc6..9ba4513d 100644
--- a/.github/workflows/ubuntu_build.yml
+++ b/.github/workflows/ubuntu_build.yml
@@ -10,19 +10,14 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      # Normally, we would use the superbly maintained...
-      # - uses: actions/setup-python@v2
-      #   with:
-      #    python-version: ${{ matrix.python-version }}
-      # ... but in the repo, we want to test pyenv builds on Ubuntu
       - run: |
           sudo apt-get update -q; sudo apt install -yq make build-essential libssl-dev zlib1g-dev \
           libbz2-dev libreadline-dev libsqlite3-dev curl \