From 6fac61385027e4b63ac07e000c8c94538b213d87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 09:42:13 +0200
Subject: [PATCH 01/15] CI Avoid miniconda CondaToSNonInteractiveError

---
 build_tools/azure/install_setup_conda.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index d09a02cda5a9f..d4b71ff86bca0 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -14,6 +14,8 @@ else
     # In most runners (in October 2024) conda is installed,
     # but in a system folder and we want it user writable
     sudo chown -R $USER $CONDA
+    # Need this to avoid CondaToSNonInteractiveError with miniconda
+    conda tos accept --override-channels -c conda-forge -c defaults
 fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.

From 6ff9151d3f733d53194e8a7a055314272e863819 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 09:44:01 +0200
Subject: [PATCH 02/15] [azure parallel]


From 80bac53d890297d080e83bc975290591701e7035 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 09:51:00 +0200
Subject: [PATCH 03/15] Windows fix [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 2 +-
 build_tools/azure/windows.yml            | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index d4b71ff86bca0..36d6dcc55af81 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -15,7 +15,7 @@ else
     # but in a system folder and we want it user writable
     sudo chown -R $USER $CONDA
     # Need this to avoid CondaToSNonInteractiveError with miniconda
-    conda tos accept --override-channels -c conda-forge -c defaults
+    conda tos accept -c defaults
 fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.
diff --git a/build_tools/azure/windows.yml b/build_tools/azure/windows.yml
index 9f4416823dd50..3adb281e02619 100644
--- a/build_tools/azure/windows.yml
+++ b/build_tools/azure/windows.yml
@@ -27,6 +27,9 @@ jobs:
     - bash: python build_tools/azure/get_selected_tests.py
       displayName: Check selected tests for all random seeds
       condition: eq(variables['Build.Reason'], 'PullRequest')
+    - bash: build_tools/azure/install_setup_conda.sh
+      displayName: Install conda if necessary and set it up
+      condition: startsWith(variables['DISTRIB'], 'conda')
     - task: PowerShell@2
       displayName: 'Get CPU Information'
       inputs:

From 77d2c4b2f9dac68695b2e79eecfa1a84f3e0d735 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 09:58:44 +0200
Subject: [PATCH 04/15] Windows fix [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 36d6dcc55af81..86e28474794f2 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -13,7 +13,7 @@ if [[ -z "${CONDA}" ]]; then
 else
     # In most runners (in October 2024) conda is installed,
     # but in a system folder and we want it user writable
-    sudo chown -R $USER $CONDA
+    sudo chown -R $USER $CONDA || echo "no need to chown conda folder on Windows"
     # Need this to avoid CondaToSNonInteractiveError with miniconda
     conda tos accept -c defaults
 fi

From fb1734a5b5082fa489e6b8e08c93dbb1118a302d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 10:34:03 +0200
Subject: [PATCH 05/15] Windows fix [azure parallel]

---
 build_tools/azure/windows.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/build_tools/azure/windows.yml b/build_tools/azure/windows.yml
index 3adb281e02619..f594f54f4a97f 100644
--- a/build_tools/azure/windows.yml
+++ b/build_tools/azure/windows.yml
@@ -27,6 +27,9 @@ jobs:
     - bash: python build_tools/azure/get_selected_tests.py
       displayName: Check selected tests for all random seeds
       condition: eq(variables['Build.Reason'], 'PullRequest')
+    - bash: echo "##vso[task.prependpath]$CONDA/Scripts"
+      displayName: Add conda to PATH
+      condition: startsWith(variables['DISTRIB'], 'conda')
     - bash: build_tools/azure/install_setup_conda.sh
       displayName: Install conda if necessary and set it up
       condition: startsWith(variables['DISTRIB'], 'conda')
@@ -46,9 +49,6 @@ jobs:
           Write-Host "L2 Cache Size: $($cpu.L2CacheSize) KB"
           Write-Host "L3 Cache Size: $($cpu.L3CacheSize) KB"
           Write-Host "==========================="
-    - bash: echo "##vso[task.prependpath]$CONDA/Scripts"
-      displayName: Add conda to PATH
-      condition: startsWith(variables['DISTRIB'], 'conda')
     - task: UsePythonVersion@0
       inputs:
         versionSpec: '$(PYTHON_VERSION)'

From 5dbbcb805d1341133c1a277650101a8ae0dc12e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 11:53:35 +0200
Subject: [PATCH 06/15] Simpler Windows-specific fix [azure parallel]

---
 build_tools/azure/install_setup_conda.sh |  2 +-
 build_tools/azure/windows.yml            | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 86e28474794f2..36d6dcc55af81 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -13,7 +13,7 @@ if [[ -z "${CONDA}" ]]; then
 else
     # In most runners (in October 2024) conda is installed,
     # but in a system folder and we want it user writable
-    sudo chown -R $USER $CONDA || echo "no need to chown conda folder on Windows"
+    sudo chown -R $USER $CONDA
     # Need this to avoid CondaToSNonInteractiveError with miniconda
     conda tos accept -c defaults
 fi
diff --git a/build_tools/azure/windows.yml b/build_tools/azure/windows.yml
index f594f54f4a97f..92322591cc193 100644
--- a/build_tools/azure/windows.yml
+++ b/build_tools/azure/windows.yml
@@ -27,12 +27,6 @@ jobs:
     - bash: python build_tools/azure/get_selected_tests.py
       displayName: Check selected tests for all random seeds
       condition: eq(variables['Build.Reason'], 'PullRequest')
-    - bash: echo "##vso[task.prependpath]$CONDA/Scripts"
-      displayName: Add conda to PATH
-      condition: startsWith(variables['DISTRIB'], 'conda')
-    - bash: build_tools/azure/install_setup_conda.sh
-      displayName: Install conda if necessary and set it up
-      condition: startsWith(variables['DISTRIB'], 'conda')
     - task: PowerShell@2
       displayName: 'Get CPU Information'
       inputs:
@@ -49,6 +43,12 @@ jobs:
           Write-Host "L2 Cache Size: $($cpu.L2CacheSize) KB"
           Write-Host "L3 Cache Size: $($cpu.L3CacheSize) KB"
           Write-Host "==========================="
+    - bash: echo "##vso[task.prependpath]$CONDA/Scripts"
+      displayName: Add conda to PATH
+      condition: startsWith(variables['DISTRIB'], 'conda')
+    - bash: conda tos accept -c defaults
+      displayName: Accept conda ToS
+      condition: startsWith(variables['DISTRIB'], 'conda')
     - task: UsePythonVersion@0
       inputs:
         versionSpec: '$(PYTHON_VERSION)'

From 750b6c21b1807041b7fc4738076da916b4d38378 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:06:02 +0200
Subject: [PATCH 07/15] Always use miniforge

---
 build_tools/azure/install_setup_conda.sh | 26 +++++++++++-------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 36d6dcc55af81..e9a37d10d2026 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -3,24 +3,22 @@
 set -e
 set -x
 
-if [[ -z "${CONDA}" ]]; then
-    # In some runners (macOS-13 and macOS-14 in October 2024) conda is not
-    # installed so we install it ourselves
-    MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh"
-    wget ${MINIFORGE_URL} -O miniforge.sh
-    bash miniforge.sh -b -u -p $HOME/miniforge3
-    CONDA="$HOME/miniforge3"
-else
-    # In most runners (in October 2024) conda is installed,
-    # but in a system folder and we want it user writable
-    sudo chown -R $USER $CONDA
-    # Need this to avoid CondaToSNonInteractiveError with miniconda
-    conda tos accept -c defaults
+PLATFORM=$(uname)
+if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
+    PLATFORM=Windows
 fi
+MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).sh"
+wget ${MINIFORGE_URL} -O miniforge.sh
+bash miniforge.sh -b -u -p $HOME/miniforge3
+CONDA="$HOME/miniforge3"
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.
 # Need set +x for ##vso Azure magic otherwise it may add a quote in the PATH.
 # For more details, see https://github.com/microsoft/azure-pipelines-tasks/issues/10331
 set +x
-echo "##vso[task.prependpath]$CONDA/bin"
+if [[ "$PLATFORM" == "Windows" ]]; then
+   echo "##vso[task.prependpath]$CONDA/Scripts"
+else
+   echo "##vso[task.prependpath]$CONDA/bin"
+fi
 set -x

From 74fc940dd3047f752db1d3b6bbb83b584fc2fae2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:12:17 +0200
Subject: [PATCH 08/15] Use miniforge also on Windows [azure parallel]

---
 build_tools/azure/windows.yml | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/build_tools/azure/windows.yml b/build_tools/azure/windows.yml
index 92322591cc193..b49273d40a16d 100644
--- a/build_tools/azure/windows.yml
+++ b/build_tools/azure/windows.yml
@@ -43,11 +43,8 @@ jobs:
           Write-Host "L2 Cache Size: $($cpu.L2CacheSize) KB"
           Write-Host "L3 Cache Size: $($cpu.L3CacheSize) KB"
           Write-Host "==========================="
-    - bash: echo "##vso[task.prependpath]$CONDA/Scripts"
-      displayName: Add conda to PATH
-      condition: startsWith(variables['DISTRIB'], 'conda')
-    - bash: conda tos accept -c defaults
-      displayName: Accept conda ToS
+    - bash: build_tools/azure/install_setup_conda.sh
+      displayName: Install conda if necessary and set it up
       condition: startsWith(variables['DISTRIB'], 'conda')
     - task: UsePythonVersion@0
       inputs:

From 340aa5d20a663c7ed2a880f8afee89a11fcec738 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:19:27 +0200
Subject: [PATCH 09/15] try with curl [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index e9a37d10d2026..6a10682f30def 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -8,7 +8,7 @@ if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
     PLATFORM=Windows
 fi
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).sh"
-wget ${MINIFORGE_URL} -O miniforge.sh
+curl ${MINIFORGE_URL} -o miniforge.sh
 bash miniforge.sh -b -u -p $HOME/miniforge3
 CONDA="$HOME/miniforge3"
 

From 76f6861bc870dbebb80397aab619e477d8272fcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:25:08 +0200
Subject: [PATCH 10/15] fix curl argument [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 6a10682f30def..db7a0fd31bc49 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -8,7 +8,7 @@ if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
     PLATFORM=Windows
 fi
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).sh"
-curl ${MINIFORGE_URL} -o miniforge.sh
+curl -L ${MINIFORGE_URL} -o miniforge.sh
 bash miniforge.sh -b -u -p $HOME/miniforge3
 CONDA="$HOME/miniforge3"
 

From 6190885b8ccd30f86cee484f8c5161d478626589 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:33:00 +0200
Subject: [PATCH 11/15] right extension on Windows [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index db7a0fd31bc49..2012a2ae4603c 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -7,7 +7,12 @@ PLATFORM=$(uname)
 if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
     PLATFORM=Windows
 fi
-MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).sh"
+if [[ "$PLATFORM" == "Windows "]]; then
+    EXTENSION="exe"
+else
+    EXTENSION="sh"
+fi
+MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).$EXTENSION"
 curl -L ${MINIFORGE_URL} -o miniforge.sh
 bash miniforge.sh -b -u -p $HOME/miniforge3
 CONDA="$HOME/miniforge3"

From 02681b546ab44443c75deb23d0c9f6ac208c56fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 14:38:40 +0200
Subject: [PATCH 12/15] fix for Windows [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 2012a2ae4603c..af86ebc630503 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -7,14 +7,15 @@ PLATFORM=$(uname)
 if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
     PLATFORM=Windows
 fi
-if [[ "$PLATFORM" == "Windows "]]; then
+if [[ "$PLATFORM" == "Windows" ]]; then
     EXTENSION="exe"
 else
     EXTENSION="sh"
 fi
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).$EXTENSION"
-curl -L ${MINIFORGE_URL} -o miniforge.sh
-bash miniforge.sh -b -u -p $HOME/miniforge3
+curl -L ${MINIFORGE_URL} -o miniforge
+chmod +x miniforge
+./miniforge -b -u -p $HOME/miniforge3
 CONDA="$HOME/miniforge3"
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.

From 25c0eaf0d0a78f15f371ad614643eb3e4c620289 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 15:27:41 +0200
Subject: [PATCH 13/15] attempt to use Windows installer in non-interactive
 mode [azure parallel]

---
 build_tools/azure/install_setup_conda.sh | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index af86ebc630503..c4da81d44f10b 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -12,19 +12,25 @@ if [[ "$PLATFORM" == "Windows" ]]; then
 else
     EXTENSION="sh"
 fi
+INSTALLER="miniforge.$EXTENSION"
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).$EXTENSION"
-curl -L ${MINIFORGE_URL} -o miniforge
-chmod +x miniforge
-./miniforge -b -u -p $HOME/miniforge3
-CONDA="$HOME/miniforge3"
+curl -L ${MINIFORGE_URL} -o "$INSTALLER"
+
+MINICONDA_DIR="$HOME/miniforge3"
+if [[ "$PLATFORM" != "Windows" ]]; then
+    bash "$INSTALLER" -b -u -p $MINICONDA_DIR
+else
+    WIN_MINICONDA_DIR=$(cygpath -w "$MINICONDA_DIR")
+    cmd "/C $INSTALLER /InstallationType=JustMe /RegisterPython=0 /S /D=$WIN_MINICONDA_DIR"
+fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.
 # Need set +x for ##vso Azure magic otherwise it may add a quote in the PATH.
 # For more details, see https://github.com/microsoft/azure-pipelines-tasks/issues/10331
 set +x
 if [[ "$PLATFORM" == "Windows" ]]; then
-   echo "##vso[task.prependpath]$CONDA/Scripts"
+   echo "##vso[task.prependpath]$MINICONDA_DIR/Scripts"
 else
-   echo "##vso[task.prependpath]$CONDA/bin"
+   echo "##vso[task.prependpath]$MINICONDA_DIR/bin"
 fi
 set -x

From 1fa9a9eb27c4ae699bb6c05cb0ada54933ef3b32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 16:18:58 +0200
Subject: [PATCH 14/15] Always use conda-forge for lock files + minor tweaks
 [azure parallel] [scipy-dev]

---
 build_tools/azure/install_setup_conda.sh      |  12 +--
 ...conda_forge_mkl_no_openmp_environment.yml} |   2 +-
 ...onda_forge_mkl_no_openmp_osx-64_conda.lock | 102 ++++++++++++++++++
 ...test_conda_mkl_no_openmp_osx-64_conda.lock |  87 ---------------
 ...latest_pip_openblas_pandas_environment.yml |   2 +-
 ...st_pip_openblas_pandas_linux-64_conda.lock |  73 ++++++-------
 .../pylatest_pip_scipy_dev_environment.yml    |   2 +-
 ...pylatest_pip_scipy_dev_linux-64_conda.lock |  71 ++++++------
 .../update_environments_and_lock_files.py     |   8 +-
 9 files changed, 182 insertions(+), 177 deletions(-)
 rename build_tools/azure/{pylatest_conda_mkl_no_openmp_environment.yml => pylatest_conda_forge_mkl_no_openmp_environment.yml} (96%)
 create mode 100644 build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock
 delete mode 100644 build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock

diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index c4da81d44f10b..4907724500b6b 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -16,12 +16,12 @@ INSTALLER="miniforge.$EXTENSION"
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).$EXTENSION"
 curl -L ${MINIFORGE_URL} -o "$INSTALLER"
 
-MINICONDA_DIR="$HOME/miniforge3"
+MINIFORGE_DIR="$HOME/miniforge3"
 if [[ "$PLATFORM" != "Windows" ]]; then
-    bash "$INSTALLER" -b -u -p $MINICONDA_DIR
+    bash "$INSTALLER" -b -u -p $MINIFORGE_DIR
 else
-    WIN_MINICONDA_DIR=$(cygpath -w "$MINICONDA_DIR")
-    cmd "/C $INSTALLER /InstallationType=JustMe /RegisterPython=0 /S /D=$WIN_MINICONDA_DIR"
+    WIN_MINIFORGE_DIR=$(cygpath -w "$MINIFORGE_DIR")
+    cmd "/C $INSTALLER /InstallationType=JustMe /RegisterPython=0 /S /D=$WIN_MINIFORGE_DIR"
 fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.
@@ -29,8 +29,8 @@ fi
 # For more details, see https://github.com/microsoft/azure-pipelines-tasks/issues/10331
 set +x
 if [[ "$PLATFORM" == "Windows" ]]; then
-   echo "##vso[task.prependpath]$MINICONDA_DIR/Scripts"
+   echo "##vso[task.prependpath]$MINIFORGE_DIR/Scripts"
 else
-   echo "##vso[task.prependpath]$MINICONDA_DIR/bin"
+   echo "##vso[task.prependpath]$MINIFORGE_DIR/bin"
 fi
 set -x
diff --git a/build_tools/azure/pylatest_conda_mkl_no_openmp_environment.yml b/build_tools/azure/pylatest_conda_forge_mkl_no_openmp_environment.yml
similarity index 96%
rename from build_tools/azure/pylatest_conda_mkl_no_openmp_environment.yml
rename to build_tools/azure/pylatest_conda_forge_mkl_no_openmp_environment.yml
index faf9f7e981666..8d8fe676698e6 100644
--- a/build_tools/azure/pylatest_conda_mkl_no_openmp_environment.yml
+++ b/build_tools/azure/pylatest_conda_forge_mkl_no_openmp_environment.yml
@@ -2,7 +2,7 @@
 # following script to centralize the configuration for CI builds:
 # build_tools/update_environments_and_lock_files.py
 channels:
-  - defaults
+  - conda-forge
 dependencies:
   - python
   - numpy
diff --git a/build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock b/build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock
new file mode 100644
index 0000000000000..7b1ee01c0f5b7
--- /dev/null
+++ b/build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock
@@ -0,0 +1,102 @@
+# Generated by conda-lock.
+# platform: osx-64
+# input_hash: 12e3e511a3041fa8d542ec769028e21d8276a3aacad33a6e0125494942ec565e
+@EXPLICIT
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+https://conda.anaconda.org/conda-forge/noarch/python_abi-3.13-7_cp313.conda#e84b44e6300f1703cb25d29120c5b1d8
+https://conda.anaconda.org/conda-forge/noarch/tzdata-2025b-h78e105d_0.conda#4222072737ccff51314b5ece9c7d6f5a
+https://conda.anaconda.org/conda-forge/osx-64/bzip2-1.0.8-hfdf4475_7.conda#7ed4301d437b59045be7e051a0308211
+https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2025.7.14-hbd8a1cb_0.conda#d16c90324aef024877d8713c0b7fea5b
+https://conda.anaconda.org/conda-forge/osx-64/icu-75.1-h120a0e1_0.conda#d68d48a3060eb5abdc1cdc8e2a3a5966
+https://conda.anaconda.org/conda-forge/osx-64/libbrotlicommon-1.1.0-h6e16a3a_3.conda#ec21ca03bcc08f89b7e88627ae787eaf
+https://conda.anaconda.org/conda-forge/osx-64/libcxx-20.1.8-hf95d169_0.conda#8f8448b9b4cd3c698b822e0038d65940
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+https://conda.anaconda.org/conda-forge/osx-64/libffi-3.4.6-h281671d_1.conda#4ca9ea59839a9ca8df84170fab4ceb41
+https://conda.anaconda.org/conda-forge/osx-64/libiconv-1.18-h4b5e92a_1.conda#6283140d7b2b55b6b095af939b71b13f
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+https://conda.anaconda.org/conda-forge/osx-64/llvm-openmp-20.1.8-hf4e0ed4_0.conda#ab3b31ebe0afdf903fa5ac7f13357e39
+https://conda.anaconda.org/conda-forge/osx-64/ncurses-6.5-h0622a9a_3.conda#ced34dd9929f491ca6dab6a2927aff25
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+https://conda.anaconda.org/conda-forge/osx-64/xorg-libxdmcp-1.1.5-h00291cd_0.conda#9f438e1b6f4e73fd9e6d78bfe7c36743
+https://conda.anaconda.org/conda-forge/osx-64/lerc-4.0.0-hcca01a6_1.conda#21f765ced1a0ef4070df53cb425e1967
+https://conda.anaconda.org/conda-forge/osx-64/libbrotlidec-1.1.0-h6e16a3a_3.conda#71d03e5e44801782faff90c455b3e69a
+https://conda.anaconda.org/conda-forge/osx-64/libbrotlienc-1.1.0-h6e16a3a_3.conda#94c0090989db51216f40558958a3dd40
+https://conda.anaconda.org/conda-forge/osx-64/libgfortran5-14.2.0-h51e75f0_103.conda#6183f7e9cd1e7ba20118ff0ca20a05e5
+https://conda.anaconda.org/conda-forge/osx-64/libpng-1.6.50-h3c4a55f_0.conda#0b750895b4a3cbd06e685f86c24c205d
+https://conda.anaconda.org/conda-forge/osx-64/libsqlite-3.50.2-h39a8b3b_2.conda#065c33b28348792d77ff0d5571541d5e
+https://conda.anaconda.org/conda-forge/osx-64/libxcb-1.17.0-hf1f96e2_0.conda#bbeca862892e2898bdb45792a61c4afc
+https://conda.anaconda.org/conda-forge/osx-64/libxml2-2.13.8-h93c44a6_0.conda#e42a93a31cbc6826620144343d42f472
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+https://conda.anaconda.org/conda-forge/osx-64/libhwloc-2.11.2-default_h4cdd727_1001.conda#52bbb10ac083c563d00df035c94f9a63
+https://conda.anaconda.org/conda-forge/osx-64/libtiff-4.7.0-h1167cee_5.conda#fc84af14a09e779f1d37ab1d16d5c4e2
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+https://conda.anaconda.org/conda-forge/osx-64/libhiredis-1.0.2-h2beb688_0.tar.bz2#524282b2c46c9dedf051b3bc2ae05494
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+https://conda.anaconda.org/conda-forge/osx-64/libblas-3.9.0-20_osx64_mkl.conda#160fdc97a51d66d51dc782fb67d35205
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+https://conda.anaconda.org/conda-forge/osx-64/blas-2.120-mkl.conda#b041a7677a412f3d925d8208936cb1e2
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+https://conda.anaconda.org/conda-forge/osx-64/pyamg-5.2.1-py313h0322a6a_1.conda#4bda5182eeaef3d2017a2ec625802e1a
+https://conda.anaconda.org/conda-forge/osx-64/matplotlib-3.10.3-py313habf4b1d_0.conda#c1043254f405998ece984e5f66a10943
diff --git a/build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock b/build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock
deleted file mode 100644
index 1f2c08c9d2852..0000000000000
--- a/build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock
+++ /dev/null
@@ -1,87 +0,0 @@
-# Generated by conda-lock.
-# platform: osx-64
-# input_hash: 272bc18497f5ac80413d90a152efd3e60065cca52254829eb4ec33cec3001534
-@EXPLICIT
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diff --git a/build_tools/azure/pylatest_pip_openblas_pandas_environment.yml b/build_tools/azure/pylatest_pip_openblas_pandas_environment.yml
index ba17d37ff1555..64baefb3e816d 100644
--- a/build_tools/azure/pylatest_pip_openblas_pandas_environment.yml
+++ b/build_tools/azure/pylatest_pip_openblas_pandas_environment.yml
@@ -2,7 +2,7 @@
 # following script to centralize the configuration for CI builds:
 # build_tools/update_environments_and_lock_files.py
 channels:
-  - defaults
+  - conda-forge
 dependencies:
   - python
   - ccache
diff --git a/build_tools/azure/pylatest_pip_openblas_pandas_linux-64_conda.lock b/build_tools/azure/pylatest_pip_openblas_pandas_linux-64_conda.lock
index 57486b815a530..cf3091466d2ea 100644
--- a/build_tools/azure/pylatest_pip_openblas_pandas_linux-64_conda.lock
+++ b/build_tools/azure/pylatest_pip_openblas_pandas_linux-64_conda.lock
@@ -1,44 +1,39 @@
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: 692a667e331896943137778007c0834c42c3aa297986d4f8eda8b51a7f158d98
+# input_hash: 0668d85ecef342f1056dfe3d1fd8d677c967d4037f6f95fff49c097fec0cd624
 @EXPLICIT
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+https://conda.anaconda.org/conda-forge/linux-64/openssl-3.5.1-h7b32b05_0.conda#c87df2ab1448ba69169652ab9547082d
+https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.8-h4bc722e_7.conda#62ee74e96c5ebb0af99386de58cf9553
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran-15.1.0-h69a702a_3.conda#bfbca721fd33188ef923dfe9ba172f29
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-15.1.0-h4852527_3.conda#57541755b5a51691955012b8e197c06c
+https://conda.anaconda.org/conda-forge/linux-64/libuuid-2.38.1-h0b41bf4_0.conda#40b61aab5c7ba9ff276c41cfffe6b80b
+https://conda.anaconda.org/conda-forge/linux-64/readline-8.2-h8c095d6_2.conda#283b96675859b20a825f8fa30f311446
+https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.13-noxft_hd72426e_102.conda#a0116df4f4ed05c303811a837d5b39d8
+https://conda.anaconda.org/conda-forge/linux-64/zstd-1.5.7-hb8e6e7a_2.conda#6432cb5d4ac0046c3ac0a8a0f95842f9
+https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda#8b189310083baabfb622af68fd9d3ae3
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran-ng-15.1.0-h69a702a_3.conda#6e5d0574e57a38c36e674e9a18eee2b4
+https://conda.anaconda.org/conda-forge/linux-64/libhiredis-1.0.2-h2cc385e_0.tar.bz2#b34907d3a81a3cd8095ee83d174c074a
+https://conda.anaconda.org/conda-forge/linux-64/libsqlite-3.50.2-hee844dc_2.conda#be96b9fdd7b579159df77ece9bb80e48
+https://conda.anaconda.org/conda-forge/linux-64/ccache-4.11.3-h80c52d3_0.conda#eb517c6a2b960c3ccb6f1db1005f063a
+https://conda.anaconda.org/conda-forge/linux-64/python-3.13.5-hec9711d_102_cp313.conda#89e07d92cf50743886f41638d58c4328
+https://conda.anaconda.org/conda-forge/noarch/pip-25.1.1-pyh145f28c_0.conda#01384ff1639c6330a0924791413b8714
 # pip alabaster @ https://files.pythonhosted.org/packages/7e/b3/6b4067be973ae96ba0d615946e314c5ae35f9f993eca561b356540bb0c2b/alabaster-1.0.0-py3-none-any.whl#sha256=fc6786402dc3fcb2de3cabd5fe455a2db534b371124f1f21de8731783dec828b
 # pip babel @ https://files.pythonhosted.org/packages/b7/b8/3fe70c75fe32afc4bb507f75563d39bc5642255d1d94f1f23604725780bf/babel-2.17.0-py3-none-any.whl#sha256=4d0b53093fdfb4b21c92b5213dba5a1b23885afa8383709427046b21c366e5f2
 # pip certifi @ https://files.pythonhosted.org/packages/4f/52/34c6cf5bb9285074dc3531c437b3919e825d976fde097a7a73f79e726d03/certifi-2025.7.14-py3-none-any.whl#sha256=6b31f564a415d79ee77df69d757bb49a5bb53bd9f756cbbe24394ffd6fc1f4b2
@@ -48,7 +43,7 @@ https://repo.anaconda.com/pkgs/main/noarch/pip-25.1-pyhc872135_2.conda#2778327d2
 # pip cython @ https://files.pythonhosted.org/packages/b3/9b/20a8a12d1454416141479380f7722f2ad298d2b41d0d7833fc409894715d/cython-3.1.2-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl#sha256=80d0ce057672ca50728153757d022842d5dcec536b50c79615a22dda2a874ea0
 # pip docutils @ https://files.pythonhosted.org/packages/8f/d7/9322c609343d929e75e7e5e6255e614fcc67572cfd083959cdef3b7aad79/docutils-0.21.2-py3-none-any.whl#sha256=dafca5b9e384f0e419294eb4d2ff9fa826435bf15f15b7bd45723e8ad76811b2
 # pip execnet @ https://files.pythonhosted.org/packages/43/09/2aea36ff60d16dd8879bdb2f5b3ee0ba8d08cbbdcdfe870e695ce3784385/execnet-2.1.1-py3-none-any.whl#sha256=26dee51f1b80cebd6d0ca8e74dd8745419761d3bef34163928cbebbdc4749fdc
-# pip fonttools @ https://files.pythonhosted.org/packages/ab/47/f92b135864fa777e11ad68420bf89446c91a572fe2782745586f8e6aac0c/fonttools-4.58.5-cp313-cp313-manylinux1_x86_64.manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_5_x86_64.whl#sha256=a6d7709fcf4577b0f294ee6327088884ca95046e1eccde87c53bbba4d5008541
+# pip fonttools @ https://files.pythonhosted.org/packages/75/b4/b96bb66f6f8cc4669de44a158099b249c8159231d254ab6b092909388be5/fonttools-4.59.0-cp313-cp313-manylinux1_x86_64.manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_5_x86_64.whl#sha256=efd7e6660674e234e29937bc1481dceb7e0336bfae75b856b4fb272b5093c5d4
 # pip idna @ https://files.pythonhosted.org/packages/76/c6/c88e154df9c4e1a2a66ccf0005a88dfb2650c1dffb6f5ce603dfbd452ce3/idna-3.10-py3-none-any.whl#sha256=946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3
 # pip imagesize @ https://files.pythonhosted.org/packages/ff/62/85c4c919272577931d407be5ba5d71c20f0b616d31a0befe0ae45bb79abd/imagesize-1.4.1-py2.py3-none-any.whl#sha256=0d8d18d08f840c19d0ee7ca1fd82490fdc3729b7ac93f49870406ddde8ef8d8b
 # pip iniconfig @ https://files.pythonhosted.org/packages/2c/e1/e6716421ea10d38022b952c159d5161ca1193197fb744506875fbb87ea7b/iniconfig-2.1.0-py3-none-any.whl#sha256=9deba5723312380e77435581c6bf4935c94cbfab9b1ed33ef8d238ea168eb760
diff --git a/build_tools/azure/pylatest_pip_scipy_dev_environment.yml b/build_tools/azure/pylatest_pip_scipy_dev_environment.yml
index 4cfae9d333631..a4bf229b5f0fa 100644
--- a/build_tools/azure/pylatest_pip_scipy_dev_environment.yml
+++ b/build_tools/azure/pylatest_pip_scipy_dev_environment.yml
@@ -2,7 +2,7 @@
 # following script to centralize the configuration for CI builds:
 # build_tools/update_environments_and_lock_files.py
 channels:
-  - defaults
+  - conda-forge
 dependencies:
   - python
   - ccache
diff --git a/build_tools/azure/pylatest_pip_scipy_dev_linux-64_conda.lock b/build_tools/azure/pylatest_pip_scipy_dev_linux-64_conda.lock
index 6d75cdaddf813..8667dd977f242 100644
--- a/build_tools/azure/pylatest_pip_scipy_dev_linux-64_conda.lock
+++ b/build_tools/azure/pylatest_pip_scipy_dev_linux-64_conda.lock
@@ -1,44 +1,39 @@
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: 1610c503ca7a3d6d0938907d0ff877bdd8a888e7be4c73fbe31e38633420a783
+# input_hash: 66c01323547a35e8550a7303dac1f0cb19e0af6173e62d689006d7ca8f1cd385
 @EXPLICIT
-https://repo.anaconda.com/pkgs/main/linux-64/_libgcc_mutex-0.1-main.conda#c3473ff8bdb3d124ed5ff11ec380d6f9
-https://repo.anaconda.com/pkgs/main/linux-64/ca-certificates-2025.2.25-h06a4308_0.conda#495015d24da8ad929e3ae2d18571016d
-https://repo.anaconda.com/pkgs/main/linux-64/ld_impl_linux-64-2.40-h12ee557_0.conda#ee672b5f635340734f58d618b7bca024
-https://repo.anaconda.com/pkgs/main/linux-64/python_abi-3.13-0_cp313.conda#d4009c49dd2b54ffded7f1365b5f6505
-https://repo.anaconda.com/pkgs/main/noarch/tzdata-2025b-h04d1e81_0.conda#1d027393db3427ab22a02aa44a56f143
-https://repo.anaconda.com/pkgs/main/linux-64/libgomp-11.2.0-h1234567_1.conda#b372c0eea9b60732fdae4b817a63c8cd
-https://repo.anaconda.com/pkgs/main/linux-64/libstdcxx-ng-11.2.0-h1234567_1.conda#57623d10a70e09e1d048c2b2b6f4e2dd
-https://repo.anaconda.com/pkgs/main/linux-64/_openmp_mutex-5.1-1_gnu.conda#71d281e9c2192cb3fa425655a8defb85
-https://repo.anaconda.com/pkgs/main/linux-64/libgcc-ng-11.2.0-h1234567_1.conda#a87728dabf3151fb9cfa990bd2eb0464
-https://repo.anaconda.com/pkgs/main/linux-64/bzip2-1.0.8-h5eee18b_6.conda#f21a3ff51c1b271977f53ce956a69297
-https://repo.anaconda.com/pkgs/main/linux-64/expat-2.7.1-h6a678d5_0.conda#269942a9f3f943e2e5d8a2516a861f7c
-https://repo.anaconda.com/pkgs/main/linux-64/fmt-9.1.0-hdb19cb5_1.conda#4f12930203ff2d84df5d287af9b29858
-https://repo.anaconda.com/pkgs/main/linux-64/libffi-3.4.4-h6a678d5_1.conda#70646cc713f0c43926cfdcfe9b695fe0
-https://repo.anaconda.com/pkgs/main/linux-64/libhiredis-1.3.0-h6a678d5_0.conda#68b0289d6a3024e06b032f56dd7e46cf
-https://repo.anaconda.com/pkgs/main/linux-64/libmpdec-4.0.0-h5eee18b_0.conda#feb10f42b1a7b523acbf85461be41a3e
-https://repo.anaconda.com/pkgs/main/linux-64/libuuid-1.41.5-h5eee18b_0.conda#4a6a2354414c9080327274aa514e5299
-https://repo.anaconda.com/pkgs/main/linux-64/lz4-c-1.9.4-h6a678d5_1.conda#2ee58861f2b92b868ce761abb831819d
-https://repo.anaconda.com/pkgs/main/linux-64/ncurses-6.4-h6a678d5_0.conda#5558eec6e2191741a92f832ea826251c
-https://repo.anaconda.com/pkgs/main/linux-64/openssl-3.0.16-h5eee18b_0.conda#5875526739afa058cfa84da1fa7a2ef4
-https://repo.anaconda.com/pkgs/main/linux-64/pthread-stubs-0.3-h0ce48e5_1.conda#973a642312d2a28927aaf5b477c67250
-https://repo.anaconda.com/pkgs/main/linux-64/xorg-libxau-1.0.12-h9b100fa_0.conda#a8005a9f6eb903e113cd5363e8a11459
-https://repo.anaconda.com/pkgs/main/linux-64/xorg-libxdmcp-1.1.5-h9b100fa_0.conda#c284a09ddfba81d9c4e740110f09ea06
-https://repo.anaconda.com/pkgs/main/linux-64/xorg-xorgproto-2024.1-h5eee18b_1.conda#412a0d97a7a51d23326e57226189da92
-https://repo.anaconda.com/pkgs/main/linux-64/xxhash-0.8.0-h7f8727e_3.conda#196b013514e82fd8476558de622c0d46
-https://repo.anaconda.com/pkgs/main/linux-64/xz-5.6.4-h5eee18b_1.conda#3581505fa450962d631bd82b8616350e
-https://repo.anaconda.com/pkgs/main/linux-64/zlib-1.2.13-h5eee18b_1.conda#92e42d8310108b0a440fb2e60b2b2a25
-https://repo.anaconda.com/pkgs/main/linux-64/libxcb-1.17.0-h9b100fa_0.conda#fdf0d380fa3809a301e2dbc0d5183883
-https://repo.anaconda.com/pkgs/main/linux-64/readline-8.2-h5eee18b_0.conda#be42180685cce6e6b0329201d9f48efb
-https://repo.anaconda.com/pkgs/main/linux-64/zstd-1.5.6-hc292b87_0.conda#78ae7abd3020b41f827b35085845e1b8
-https://repo.anaconda.com/pkgs/main/linux-64/ccache-4.11.3-hc6a6a4f_0.conda#3e660215a7953958c1eb910dde81eb52
-https://repo.anaconda.com/pkgs/main/linux-64/sqlite-3.45.3-h5eee18b_0.conda#acf93d6aceb74d6110e20b44cc45939e
-https://repo.anaconda.com/pkgs/main/linux-64/xorg-libx11-1.8.12-h9b100fa_1.conda#6298b27afae6f49f03765b2a03df2fcb
-https://repo.anaconda.com/pkgs/main/linux-64/tk-8.6.14-h993c535_1.conda#bfe656b29fc64afe5d4bd46dbd5fd240
-https://repo.anaconda.com/pkgs/main/linux-64/python-3.13.5-h4612cfd_100_cp313.conda#1adf42b71c42a4a540eae2c0026f02c3
-https://repo.anaconda.com/pkgs/main/linux-64/setuptools-78.1.1-py313h06a4308_0.conda#8f8e1c1e3af9d2d371aaa0ee8316ae7c
-https://repo.anaconda.com/pkgs/main/linux-64/wheel-0.45.1-py313h06a4308_0.conda#29057e876eedce0e37c2388c138a19f9
-https://repo.anaconda.com/pkgs/main/noarch/pip-25.1-pyhc872135_2.conda#2778327d2a700153fefe0e69438b18e1
+https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
+https://conda.anaconda.org/conda-forge/noarch/python_abi-3.13-7_cp313.conda#e84b44e6300f1703cb25d29120c5b1d8
+https://conda.anaconda.org/conda-forge/noarch/tzdata-2025b-h78e105d_0.conda#4222072737ccff51314b5ece9c7d6f5a
+https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2025.7.14-hbd8a1cb_0.conda#d16c90324aef024877d8713c0b7fea5b
+https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.44-h1423503_1.conda#0be7c6e070c19105f966d3758448d018
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-15.1.0-h767d61c_3.conda#3cd1a7238a0dd3d0860fdefc496cc854
+https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-2_gnu.tar.bz2#73aaf86a425cc6e73fcf236a5a46396d
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-15.1.0-h767d61c_3.conda#9e60c55e725c20d23125a5f0dd69af5d
+https://conda.anaconda.org/conda-forge/linux-64/libexpat-2.7.0-h5888daf_0.conda#db0bfbe7dd197b68ad5f30333bae6ce0
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.6-h2dba641_1.conda#ede4673863426c0883c0063d853bbd85
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-15.1.0-h69a702a_3.conda#e66f2b8ad787e7beb0f846e4bd7e8493
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran5-15.1.0-hcea5267_3.conda#530566b68c3b8ce7eec4cd047eae19fe
+https://conda.anaconda.org/conda-forge/linux-64/liblzma-5.8.1-hb9d3cd8_2.conda#1a580f7796c7bf6393fddb8bbbde58dc
+https://conda.anaconda.org/conda-forge/linux-64/libmpdec-4.0.0-hb9d3cd8_0.conda#c7e925f37e3b40d893459e625f6a53f1
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-15.1.0-h8f9b012_3.conda#6d11a5edae89fe413c0569f16d308f5a
+https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.3.1-hb9d3cd8_2.conda#edb0dca6bc32e4f4789199455a1dbeb8
+https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.5-h2d0b736_3.conda#47e340acb35de30501a76c7c799c41d7
+https://conda.anaconda.org/conda-forge/linux-64/openssl-3.5.1-h7b32b05_0.conda#c87df2ab1448ba69169652ab9547082d
+https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.8-h4bc722e_7.conda#62ee74e96c5ebb0af99386de58cf9553
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran-15.1.0-h69a702a_3.conda#bfbca721fd33188ef923dfe9ba172f29
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-15.1.0-h4852527_3.conda#57541755b5a51691955012b8e197c06c
+https://conda.anaconda.org/conda-forge/linux-64/libuuid-2.38.1-h0b41bf4_0.conda#40b61aab5c7ba9ff276c41cfffe6b80b
+https://conda.anaconda.org/conda-forge/linux-64/readline-8.2-h8c095d6_2.conda#283b96675859b20a825f8fa30f311446
+https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.13-noxft_hd72426e_102.conda#a0116df4f4ed05c303811a837d5b39d8
+https://conda.anaconda.org/conda-forge/linux-64/zstd-1.5.7-hb8e6e7a_2.conda#6432cb5d4ac0046c3ac0a8a0f95842f9
+https://conda.anaconda.org/conda-forge/linux-64/icu-75.1-he02047a_0.conda#8b189310083baabfb622af68fd9d3ae3
+https://conda.anaconda.org/conda-forge/linux-64/libgfortran-ng-15.1.0-h69a702a_3.conda#6e5d0574e57a38c36e674e9a18eee2b4
+https://conda.anaconda.org/conda-forge/linux-64/libhiredis-1.0.2-h2cc385e_0.tar.bz2#b34907d3a81a3cd8095ee83d174c074a
+https://conda.anaconda.org/conda-forge/linux-64/libsqlite-3.50.2-hee844dc_2.conda#be96b9fdd7b579159df77ece9bb80e48
+https://conda.anaconda.org/conda-forge/linux-64/ccache-4.11.3-h80c52d3_0.conda#eb517c6a2b960c3ccb6f1db1005f063a
+https://conda.anaconda.org/conda-forge/linux-64/python-3.13.5-hec9711d_102_cp313.conda#89e07d92cf50743886f41638d58c4328
+https://conda.anaconda.org/conda-forge/noarch/pip-25.1.1-pyh145f28c_0.conda#01384ff1639c6330a0924791413b8714
 # pip alabaster @ https://files.pythonhosted.org/packages/7e/b3/6b4067be973ae96ba0d615946e314c5ae35f9f993eca561b356540bb0c2b/alabaster-1.0.0-py3-none-any.whl#sha256=fc6786402dc3fcb2de3cabd5fe455a2db534b371124f1f21de8731783dec828b
 # pip babel @ https://files.pythonhosted.org/packages/b7/b8/3fe70c75fe32afc4bb507f75563d39bc5642255d1d94f1f23604725780bf/babel-2.17.0-py3-none-any.whl#sha256=4d0b53093fdfb4b21c92b5213dba5a1b23885afa8383709427046b21c366e5f2
 # pip certifi @ https://files.pythonhosted.org/packages/4f/52/34c6cf5bb9285074dc3531c437b3919e825d976fde097a7a73f79e726d03/certifi-2025.7.14-py3-none-any.whl#sha256=6b31f564a415d79ee77df69d757bb49a5bb53bd9f756cbbe24394ffd6fc1f4b2
diff --git a/build_tools/update_environments_and_lock_files.py b/build_tools/update_environments_and_lock_files.py
index b619ab22f0a7e..b99e0e8f8d416 100644
--- a/build_tools/update_environments_and_lock_files.py
+++ b/build_tools/update_environments_and_lock_files.py
@@ -151,12 +151,12 @@ def remove_from(alist, to_remove):
         },
     },
     {
-        "name": "pylatest_conda_mkl_no_openmp",
+        "name": "pylatest_conda_forge_mkl_no_openmp",
         "type": "conda",
         "tag": "main-ci",
         "folder": "build_tools/azure",
         "platform": "osx-64",
-        "channels": ["defaults"],
+        "channels": ["conda-forge"],
         "conda_dependencies": common_dependencies + ["ccache"],
         "package_constraints": {
             "blas": "[build=mkl]",
@@ -209,7 +209,7 @@ def remove_from(alist, to_remove):
         "tag": "main-ci",
         "folder": "build_tools/azure",
         "platform": "linux-64",
-        "channels": ["defaults"],
+        "channels": ["conda-forge"],
         "conda_dependencies": ["python", "ccache"],
         "pip_dependencies": (
             remove_from(common_dependencies, ["python", "blas", "pip"])
@@ -228,7 +228,7 @@ def remove_from(alist, to_remove):
         "tag": "scipy-dev",
         "folder": "build_tools/azure",
         "platform": "linux-64",
-        "channels": ["defaults"],
+        "channels": ["conda-forge"],
         "conda_dependencies": ["python", "ccache"],
         "pip_dependencies": (
             remove_from(

From 1bd58507cd9b055512a3bc48d6c2d8dd10bac171 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Est=C3=A8ve?= <loic.esteve@ymail.com>
Date: Wed, 16 Jul 2025 16:33:29 +0200
Subject: [PATCH 15/15] Fix lock-file name [scipy-dev] [azure parallel]

---
 azure-pipelines.yml                      | 4 ++--
 build_tools/azure/install_setup_conda.sh | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5226308afe48b..4d3248f2d0729 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -234,9 +234,9 @@ jobs:
         LOCK_FILE: './build_tools/azure/pylatest_conda_forge_mkl_osx-64_conda.lock'
         SKLEARN_TESTS_GLOBAL_RANDOM_SEED: '5'  # non-default seed
         SCIPY_ARRAY_API: '1'
-      pylatest_conda_mkl_no_openmp:
+      pylatest_conda_forge_mkl_no_openmp:
         DISTRIB: 'conda'
-        LOCK_FILE: './build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock'
+        LOCK_FILE: './build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock'
         SKLEARN_TEST_NO_OPENMP: 'true'
         SKLEARN_SKIP_OPENMP_TEST: 'true'
         SKLEARN_TESTS_GLOBAL_RANDOM_SEED: '6'  # non-default seed
diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
index 4907724500b6b..e57d7dbe155be 100755
--- a/build_tools/azure/install_setup_conda.sh
+++ b/build_tools/azure/install_setup_conda.sh
@@ -17,11 +17,11 @@ MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download
 curl -L ${MINIFORGE_URL} -o "$INSTALLER"
 
 MINIFORGE_DIR="$HOME/miniforge3"
-if [[ "$PLATFORM" != "Windows" ]]; then
-    bash "$INSTALLER" -b -u -p $MINIFORGE_DIR
-else
+if [[ "$PLATFORM" == "Windows" ]]; then
     WIN_MINIFORGE_DIR=$(cygpath -w "$MINIFORGE_DIR")
     cmd "/C $INSTALLER /InstallationType=JustMe /RegisterPython=0 /S /D=$WIN_MINIFORGE_DIR"
+else
+    bash "$INSTALLER" -b -u -p $MINIFORGE_DIR
 fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.