diff --git a/.drone.yml b/.drone.yml
index 9abc962..fbefc9a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,41 +1,41 @@
----
-kind: pipeline
-type: exec
-name: amd64 — msvc
-trigger:
-  branch:
-  - main
-platform:
-  os: windows
-  arch: amd64
-
-steps:
-- name: unit tests
-  shell: powershell
-  commands: 
-    - ./tools/ci/amd64/msvc/unit_tests.ps1
-
----
-kind: pipeline
-type: docker
-name: amd64 — gcc
-trigger:
-  branch:
-  - main
-
-steps:
-- name: unit tests
-  image: ci:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/gcc/unit_tests.sh
-
-- name: valgrind
-  image: ci:latest 
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/gcc/valgrind.sh
-
+# ---
+# kind: pipeline
+# type: exec
+# name: amd64 — msvc
+# trigger:
+#   branch:
+#   - main
+# platform:
+#   os: windows
+#   arch: amd64
+#
+# steps:
+# - name: unit tests
+#   shell: powershell
+#   commands: 
+#     - ./tools/ci/amd64/msvc/unit_tests.ps1
+#
+# ---
+# kind: pipeline
+# type: docker
+# name: amd64 — gcc
+# trigger:
+#   branch:
+#   - main
+#
+# steps:
+# - name: unit tests
+#   image: ci:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/gcc/unit_tests.sh
+#
+# - name: valgrind
+#   image: ci:latest 
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/gcc/valgrind.sh
+#
 ---
 kind: pipeline
 type: docker
@@ -45,95 +45,95 @@ trigger:
   - main
 
 steps:
-- name: code coverage
-  image: ci:latest
-  pull: if-not-exists
-  environment:
-    CODECOV_TOKEN:
-      from_secret: CODECOV_TOKEN 
-  commands:
-    - ./tools/ci/amd64/clang/coverage.sh
-
+# - name: code coverage
+#   image: ci:latest
+#   pull: if-not-exists
+#   environment:
+#     CODECOV_TOKEN:
+#       from_secret: CODECOV_TOKEN 
+#   commands:
+#     - ./tools/ci/amd64/clang/coverage.sh
+#
 - name: leak sanitizer
   image: ci:latest 
   pull: if-not-exists
   commands:
     - ./tools/ci/amd64/clang/lsan.sh
 
-- name: memory sanitizer
-  image: ci:latest
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/amd64/clang/msan.sh
-
----
-kind: pipeline
-type: docker
-name: static analysis
-trigger:
-  branch:
-  - main
-
-steps:
-- name: clang tidy
-  image: ci:latest 
-  pull: if-not-exists
-  privileged: true
-  commands:
-    - ./tools/ci/static_analysis/clang_tidy.sh
-
-- name: clang format
-  image: ci:latest 
-  pull: if-not-exists
-  commands:
-    - ./tools/ci/static_analysis/clang_format.sh
-
----
-kind: pipeline
-type: docker 
-name: documentation — development
-node:
-  environment: ryali
-trigger:
-  branch:
-  - main
-
-steps:
-- name: build and deploy
-  image: documentation:latest
-  pull: if-not-exists
-  commands:
-    - pwd
-    - cd docs
-    - mkdir generated
-    - touch generated/changelogs.rst
-    - touch generated/api.rst
-    - sphinx-build -M html . .
-
-    - rm -rf /light_docs_dev/*
-    - mv ./html/* /light_docs_dev/
-
----
-
-kind: pipeline
-type: docker
-name: documentation — production
-node:
-  environment: ryali
-trigger:
-  event:
-  - tag
-
-steps:
-- name: build and deploy
-  image: documentation:latest
-  pull: if-not-exists
-  commands:
-    - cd docs
-    - mkdir generated
-    - touch generated/changelogs.rst
-    - touch generated/api.rst
-    - sphinx-build -M html . .
-
-    - rm -rf /light_docs/*
-    - mv ./html/* /light_docs/
+# - name: memory sanitizer
+#   image: ci:latest
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/amd64/clang/msan.sh
+#
+# ---
+# kind: pipeline
+# type: docker
+# name: static analysis
+# trigger:
+#   branch:
+#   - main
+#
+# steps:
+# - name: clang tidy
+#   image: ci:latest 
+#   pull: if-not-exists
+#   privileged: true
+#   commands:
+#     - ./tools/ci/static_analysis/clang_tidy.sh
+#
+# - name: clang format
+#   image: ci:latest 
+#   pull: if-not-exists
+#   commands:
+#     - ./tools/ci/static_analysis/clang_format.sh
+#
+# ---
+# kind: pipeline
+# type: docker 
+# name: documentation — development
+# node:
+#   environment: ryali
+# trigger:
+#   branch:
+#   - main
+#
+# steps:
+# - name: build and deploy
+#   image: documentation:latest
+#   pull: if-not-exists
+#   commands:
+#     - pwd
+#     - cd docs
+#     - mkdir generated
+#     - touch generated/changelogs.rst
+#     - touch generated/api.rst
+#     - sphinx-build -M html . .
+#
+#     - rm -rf /light_docs_dev/*
+#     - mv ./html/* /light_docs_dev/
+#
+# ---
+#
+# kind: pipeline
+# type: docker
+# name: documentation — production
+# node:
+#   environment: ryali
+# trigger:
+#   event:
+#   - tag
+#
+# steps:
+# - name: build and deploy
+#   image: documentation:latest
+#   pull: if-not-exists
+#   commands:
+#     - cd docs
+#     - mkdir generated
+#     - touch generated/changelogs.rst
+#     - touch generated/api.rst
+#     - sphinx-build -M html . .
+#
+#     - rm -rf /light_docs/*
+#     - mv ./html/* /light_docs/