diff --git a/.ci_support/linux_64_microarch_level1python3.10.____cpython.yaml b/.ci_support/linux_64_microarch_level1python3.10.____cpython.yaml
index de6be3c..dbf476e 100644
--- a/.ci_support/linux_64_microarch_level1python3.10.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level1python3.10.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level1python3.11.____cpython.yaml b/.ci_support/linux_64_microarch_level1python3.11.____cpython.yaml
index d51e402..4907ac7 100644
--- a/.ci_support/linux_64_microarch_level1python3.11.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level1python3.11.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level1python3.12.____cpython.yaml b/.ci_support/linux_64_microarch_level1python3.12.____cpython.yaml
index 2106481..973e4f4 100644
--- a/.ci_support/linux_64_microarch_level1python3.12.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level1python3.12.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level1python3.13.____cp313.yaml b/.ci_support/linux_64_microarch_level1python3.13.____cp313.yaml
index 5b4ffdf..1ac6d35 100644
--- a/.ci_support/linux_64_microarch_level1python3.13.____cp313.yaml
+++ b/.ci_support/linux_64_microarch_level1python3.13.____cp313.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.13.* *_cp313
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level1python3.9.____cpython.yaml b/.ci_support/linux_64_microarch_level1python3.9.____cpython.yaml
index 1dfb0a9..37d2679 100644
--- a/.ci_support/linux_64_microarch_level1python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level1python3.9.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level3python3.10.____cpython.yaml b/.ci_support/linux_64_microarch_level3python3.10.____cpython.yaml
index e2181ba..cadec7a 100644
--- a/.ci_support/linux_64_microarch_level3python3.10.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level3python3.10.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level3python3.11.____cpython.yaml b/.ci_support/linux_64_microarch_level3python3.11.____cpython.yaml
index 3a216bc..170ab15 100644
--- a/.ci_support/linux_64_microarch_level3python3.11.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level3python3.11.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level3python3.12.____cpython.yaml b/.ci_support/linux_64_microarch_level3python3.12.____cpython.yaml
index c1d8cdb..17c77d5 100644
--- a/.ci_support/linux_64_microarch_level3python3.12.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level3python3.12.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level3python3.13.____cp313.yaml b/.ci_support/linux_64_microarch_level3python3.13.____cp313.yaml
index 15b4f3b..2c49333 100644
--- a/.ci_support/linux_64_microarch_level3python3.13.____cp313.yaml
+++ b/.ci_support/linux_64_microarch_level3python3.13.____cp313.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.13.* *_cp313
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_64_microarch_level3python3.9.____cpython.yaml b/.ci_support/linux_64_microarch_level3python3.9.____cpython.yaml
index c53bb5b..158ed97 100644
--- a/.ci_support/linux_64_microarch_level3python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_microarch_level3python3.9.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -24,6 +24,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_aarch64_python3.10.____cpython.yaml b/.ci_support/linux_aarch64_python3.10.____cpython.yaml
index 96fdd88..fd87953 100644
--- a/.ci_support/linux_aarch64_python3.10.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.10.____cpython.yaml
@@ -7,7 +7,7 @@ c_stdlib_version:
 cdt_arch:
 - aarch64
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -26,6 +26,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_aarch64_python3.11.____cpython.yaml b/.ci_support/linux_aarch64_python3.11.____cpython.yaml
index 78eafa5..d3bd11f 100644
--- a/.ci_support/linux_aarch64_python3.11.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.11.____cpython.yaml
@@ -7,7 +7,7 @@ c_stdlib_version:
 cdt_arch:
 - aarch64
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -26,6 +26,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_aarch64_python3.12.____cpython.yaml b/.ci_support/linux_aarch64_python3.12.____cpython.yaml
index d0a9dfe..4231a40 100644
--- a/.ci_support/linux_aarch64_python3.12.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.12.____cpython.yaml
@@ -7,7 +7,7 @@ c_stdlib_version:
 cdt_arch:
 - aarch64
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -26,6 +26,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_aarch64_python3.13.____cp313.yaml b/.ci_support/linux_aarch64_python3.13.____cp313.yaml
index 7579c5e..c5960d9 100644
--- a/.ci_support/linux_aarch64_python3.13.____cp313.yaml
+++ b/.ci_support/linux_aarch64_python3.13.____cp313.yaml
@@ -7,7 +7,7 @@ c_stdlib_version:
 cdt_arch:
 - aarch64
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -26,6 +26,3 @@ python:
 - 3.13.* *_cp313
 target_platform:
 - linux-aarch64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_aarch64_python3.9.____cpython.yaml b/.ci_support/linux_aarch64_python3.9.____cpython.yaml
index b2f326f..38421ca 100644
--- a/.ci_support/linux_aarch64_python3.9.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.9.____cpython.yaml
@@ -7,7 +7,7 @@ c_stdlib_version:
 cdt_arch:
 - aarch64
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -26,6 +26,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_ppc64le_python3.10.____cpython.yaml b/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
index 14d2cc2..4a76228 100644
--- a/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -22,6 +22,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_ppc64le_python3.11.____cpython.yaml b/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
index b8f310c..c00797b 100644
--- a/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -22,6 +22,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_ppc64le_python3.12.____cpython.yaml b/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
index 70aea9f..9a543c8 100644
--- a/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -22,6 +22,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_ppc64le_python3.13.____cp313.yaml b/.ci_support/linux_ppc64le_python3.13.____cp313.yaml
index 610f092..c33a186 100644
--- a/.ci_support/linux_ppc64le_python3.13.____cp313.yaml
+++ b/.ci_support/linux_ppc64le_python3.13.____cp313.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -22,6 +22,3 @@ python:
 - 3.13.* *_cp313
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.ci_support/linux_ppc64le_python3.9.____cpython.yaml b/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
index 29a95da..18cdcaf 100644
--- a/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
@@ -3,7 +3,7 @@ c_stdlib:
 c_stdlib_version:
 - '2.17'
 cdt_name:
-- cos7
+- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - c_stdlib_version
-  - cdt_name
diff --git a/.scripts/run_win_build.bat b/.scripts/run_win_build.bat
index 1f2ec52..3aaf80c 100755
--- a/.scripts/run_win_build.bat
+++ b/.scripts/run_win_build.bat
@@ -34,8 +34,8 @@ call "%MICROMAMBA_EXE%" create --yes --root-prefix "%MAMBA_ROOT_PREFIX%" --prefi
     pip python=3.12 conda-build conda-forge-ci-setup=4 "conda-build>=24.1"
 if !errorlevel! neq 0 exit /b !errorlevel!
 echo Removing %MAMBA_ROOT_PREFIX%
-del /S /Q "%MAMBA_ROOT_PREFIX%"
-del /S /Q "%MICROMAMBA_TMPDIR%"
+del /S /Q "%MAMBA_ROOT_PREFIX%" >nul
+del /S /Q "%MICROMAMBA_TMPDIR%" >nul
 
 call :start_group "Configuring conda"
 
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index b4fbf69..4e48081 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,6 +1,6 @@
 {% set name = "awkward-cpp" %}
 {% set version = "41" %}
-{% set build = 0 %}
+{% set build = 1 %}
 
 package:
   name: {{ name|lower }}
@@ -17,7 +17,7 @@ build:
   number: {{ build }}  # [not (unix and x86_64)]
   number: {{ build + 100 }}  # [unix and x86_64 and microarch_level == 1]
   number: {{ build + 300 }}  # [unix and x86_64 and microarch_level == 3]
-  script: {{ PYTHON }} -m pip install . -vv --no-deps --no-build-isolation
+  script: {{ PYTHON }} -m pip install . -vv
 
 requirements:
   build: