diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index e8cae06..0b53f19 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -1,8 +1,8 @@
 cdt_name:
 - cos6
 channel_sources:
-- conda-forge,defaults
+- conda-forge/label/jupyterlab_rc,conda-forge/label/jupyterlab_server_rc,conda-forge
 channel_targets:
-- conda-forge main
+- conda-forge jupyter_lsp_rc
 docker_image:
 - quay.io/condaforge/linux-anvil-comp7
diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index 87ba4db..36dacd6 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -45,8 +45,12 @@ fi
 if [ -z "${DOCKER_IMAGE}" ]; then
     SHYAML_INSTALLED="$(shyaml -h || echo NO)"
     if [ "${SHYAML_INSTALLED}" == "NO" ]; then
-        echo "WARNING: DOCKER_IMAGE variable not set and shyaml not installed. Falling back to condaforge/linux-anvil-comp7"
-        DOCKER_IMAGE="condaforge/linux-anvil-comp7"
+        echo "WARNING: DOCKER_IMAGE variable not set and shyaml not installed. Trying to parse with coreutils"
+        DOCKER_IMAGE=$(cat .ci_support/${CONFIG}.yaml | grep '^docker_image:$' -A 1 | tail -n 1 | cut -b 3-)
+        if [ "${DOCKER_IMAGE}" = "" ]; then
+            echo "No docker_image entry found in ${CONFIG}. Falling back to condaforge/linux-anvil-comp7"
+            DOCKER_IMAGE="condaforge/linux-anvil-comp7"
+        fi
     else
         DOCKER_IMAGE="$(cat "${FEEDSTOCK_ROOT}/.ci_support/${CONFIG}.yaml" | shyaml get-value docker_image.0 condaforge/linux-anvil-comp7 )"
     fi
@@ -64,8 +68,8 @@ fi
 
 export UPLOAD_PACKAGES="${UPLOAD_PACKAGES:-True}"
 docker run ${DOCKER_RUN_ARGS} \
-           -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z \
-           -v "${FEEDSTOCK_ROOT}":/home/conda/feedstock_root:rw,z \
+           -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z,delegated \
+           -v "${FEEDSTOCK_ROOT}":/home/conda/feedstock_root:rw,z,delegated \
            -e CONFIG \
            -e HOST_USER_ID \
            -e UPLOAD_PACKAGES \
diff --git a/README.md b/README.md
index 5e50aec..a74f6bd 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Package license: BSD-3-Clause
 
 Feedstock license: [BSD-3-Clause](https://github.com/conda-forge/jupyter-lsp-feedstock/blob/master/LICENSE.txt)
 
-Summary: Multi-Language Server WebSocket proxy for Jupyter notebook or lab server for Python 3.5+.
+Summary: Multi-Language Server WebSocket proxy for Jupyter Server
 
 Documentation: https://jupyterlab-lsp.readthedocs.io
 
@@ -32,6 +32,7 @@ Current release info
 | [![Conda Recipe](https://img.shields.io/badge/recipe-jupyter--lsp-green.svg)](https://anaconda.org/conda-forge/jupyter-lsp) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/jupyter-lsp.svg)](https://anaconda.org/conda-forge/jupyter-lsp) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/jupyter-lsp.svg)](https://anaconda.org/conda-forge/jupyter-lsp) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/jupyter-lsp.svg)](https://anaconda.org/conda-forge/jupyter-lsp) |
 | [![Conda Recipe](https://img.shields.io/badge/recipe-jupyter--lsp--python-green.svg)](https://anaconda.org/conda-forge/jupyter-lsp-python) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/jupyter-lsp-python.svg)](https://anaconda.org/conda-forge/jupyter-lsp-python) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/jupyter-lsp-python.svg)](https://anaconda.org/conda-forge/jupyter-lsp-python) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/jupyter-lsp-python.svg)](https://anaconda.org/conda-forge/jupyter-lsp-python) |
 | [![Conda Recipe](https://img.shields.io/badge/recipe-jupyter--lsp--r-green.svg)](https://anaconda.org/conda-forge/jupyter-lsp-r) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/jupyter-lsp-r.svg)](https://anaconda.org/conda-forge/jupyter-lsp-r) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/jupyter-lsp-r.svg)](https://anaconda.org/conda-forge/jupyter-lsp-r) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/jupyter-lsp-r.svg)](https://anaconda.org/conda-forge/jupyter-lsp-r) |
+| [![Conda Recipe](https://img.shields.io/badge/recipe-jupyterlab--lsp-green.svg)](https://anaconda.org/conda-forge/jupyterlab-lsp) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/jupyterlab-lsp.svg)](https://anaconda.org/conda-forge/jupyterlab-lsp) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/jupyterlab-lsp.svg)](https://anaconda.org/conda-forge/jupyterlab-lsp) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/jupyterlab-lsp.svg)](https://anaconda.org/conda-forge/jupyterlab-lsp) |
 
 Installing jupyter-lsp
 ======================
@@ -42,10 +43,10 @@ Installing `jupyter-lsp` from the `conda-forge` channel can be achieved by addin
 conda config --add channels conda-forge
 ```
 
-Once the `conda-forge` channel has been enabled, `jupyter-lsp, jupyter-lsp-python, jupyter-lsp-r` can be installed with:
+Once the `conda-forge` channel has been enabled, `jupyter-lsp, jupyter-lsp-python, jupyter-lsp-r, jupyterlab-lsp` can be installed with:
 
 ```
-conda install jupyter-lsp jupyter-lsp-python jupyter-lsp-r
+conda install jupyter-lsp jupyter-lsp-python jupyter-lsp-r jupyterlab-lsp
 ```
 
 It is possible to list all of the versions of `jupyter-lsp` available on your platform with:
diff --git a/recipe/build_base.bat b/recipe/build_base.bat
deleted file mode 100644
index d766666..0000000
--- a/recipe/build_base.bat
+++ /dev/null
@@ -1,2 +0,0 @@
-%PYTHON% -m pip install . --no-deps -vv
-if errorlevel 1 exit 1
diff --git a/recipe/build_base.sh b/recipe/build_base.sh
deleted file mode 100644
index bec211a..0000000
--- a/recipe/build_base.sh
+++ /dev/null
@@ -1 +0,0 @@
-$PYTHON -m pip install . --no-deps -vv
diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
new file mode 100644
index 0000000..62ef750
--- /dev/null
+++ b/recipe/conda_build_config.yaml
@@ -0,0 +1,5 @@
+channel_sources:
+- conda-forge/label/jupyterlab_rc,conda-forge/label/jupyterlab_server_rc,conda-forge
+
+channel_targets:
+- conda-forge jupyter_lsp_rc
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 9242989..06e15b1 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,68 +1,116 @@
-{% set name = "jupyter-lsp" %}
-{% set ext_name = "@krassowski/jupyterlab-lsp" %}
-{% set version = "0.9.3" %}
+{% set version = "3.0.0rc0" %}
 {% set build_number = 0 %}
 
-{% set py_spec = ">=3.6" %}
-{% set lab_spec = ">=2.2,<3.0.0a0" %}
-{% set ext_spec = "@^2.1.0" %}
+{% set server_version = "1.0.0rc0" %}
+{% set server_build_number = 0 %}
 
 # List of jupyter_lsp py.tests ran for each known servers
 {% set server_tests = ["serverextension", "start_known", "listeners"] %}
 
 package:
-  name: {{ name }}-meta  # To avoid issue https://github.com/conda/conda-build/issues/3933
+  name: jupyter-lsp-meta  # To avoid issue https://github.com/conda/conda-build/issues/3933
   version: {{ version }}
 
 source:
-  url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name }}-{{ version }}.tar.gz
-  sha256: 73b5cb47fbe672bee6c02ddc4f2fbe728dc3bff589b5741835ebb80a862163af
+  - folder: jupyterlab-lsp
+    url: https://pypi.io/packages/source/j/jupyterlab-lsp/jupyterlab-lsp-{{ version }}.tar.gz
+    sha256: 31318bc361f1036045c5143c5aabff690017a61767ae7daa006fe9baa4b401d5
+  - folder: jupyter-lsp
+    url: https://pypi.io/packages/source/j/jupyter-lsp/jupyter-lsp-{{ server_version }}.tar.gz
+    sha256: d5f2555c8a89b1a33026dfb19d4eb5de3b2db9e0e97c5ff4c5125aafd9709041
 
 build:
   noarch: python
   number: {{ build_number }}
 
+requirements:
+  host:
+    - pip
+    - python >=3.6
+  run:
+    - python >=3.6
+
+test:
+  commands:
+    - echo "TBD"
+
 outputs:
-  - name: {{ name }}
+  - name: jupyterlab-lsp
+    version: {{ version }}
     build:
       number: {{ build_number }}
       noarch: python
-    script: build_base.bat  # [win]
-    script: build_base.sh  # [not win]
+      script: cd jupyterlab-lsp && {{ PYTHON }} -m pip install . --no-deps -vv
     requirements:
       host:
         - pip
-        - python {{ py_spec }}
+        - python >=3.6
       run:
-        - notebook >=4.3.1
-        - python {{ py_spec }}
-        - setuptools
+        - jupyter-lsp >={{ server_version }}
+        - jupyterlab >=3,<4
+        - python >=3.6
     test:
       requires:
-        - jupyterlab {{ lab_spec }}
-        - jupyterlab_server>=1.1.0
-        - nodejs >=10
         - pip
       commands:
-        - python -m pip check
-        - jupyter serverextension list 1>serverextensions 2>&1
-        - cat serverextensions | grep "{{ name|replace("-", "_") }}.*OK"  # [unix]
-        - jupyter labextension install {{ ext_name }}{{ ext_spec }}
+        # TODO: restore after 1.0.0
+        # - python -m pip check
+        - jupyter labextension list
         - jupyter labextension list 1>labextensions 2>&1
-        - cat labextensions | grep "{{ ext_name }}.*OK"  # [unix]
-        - python -m jupyterlab.browser_check  # [not linux]
-  - name: {{ name }}-python
+        - cat labextensions | grep "jupyterlab-lsp.*OK.*jupyterlab_lsp"  # [unix]
+    about:
+      home: https://github.com/krassowski/jupyterlab-lsp
+      license_file: jupyterlab-lsp/LICENSE
+      license: BSD-3-Clause
+      license_family: BSD
+      summary: Language Server Protocol integration for JupyterLab
+      doc_url: https://jupyterlab-lsp.readthedocs.io
+      doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/master/docs
+
+  - name: jupyter-lsp
+    version: {{ server_version }}
     build:
-      number: {{ build_number }}
-      noarch: generic
+      number: {{ server_build_number }}
+      noarch: python
+      script: cd jupyter-lsp && {{ PYTHON }} -m pip install . --no-deps -vv
+    requirements:
+      host:
+        - pip
+        - python >=3.6
+      run:
+        - entrypoints
+        - jupyter_server >={{ server_version }}
+        - python >=3.6
+    test:
+      requires:
+        - pip
+      commands:
+        - python -m pip check
+        - jupyter server extension list
+        - jupyter server extension list 1>serverextensions 2>&1
+        - cat serverextensions | grep "jupyter_lsp.*OK"  # [unix]
+    about:
+      home: https://github.com/krassowski/jupyterlab-lsp
+      license: BSD-3-Clause
+      license_family: BSD
+      license_file: jupyter-lsp/LICENSE
+      summary: Multi-Language Server WebSocket proxy for Jupyter Server
+      doc_url: https://jupyterlab-lsp.readthedocs.io
+      doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/master/docs
+
+  - name: jupyter-lsp-python
+    version: {{ server_version }}
+    build:
+      number: {{ server_build_number }}
+      noarch: python
     requirements:
+      host:
+        - python >=3.6
       run:
-        - {{ pin_subpackage(name, exact=True) }}
+        - {{ pin_subpackage("jupyter-lsp", exact=True) }}
         - python-language-server >=0.31.9
     test:
       requires:
-        - jupyterlab {{ lab_spec }}
-        - jupyterlab_server>=1.1.0
         - pip
         - pytest-asyncio
         - pytest-runner
@@ -71,41 +119,55 @@ outputs:
         # TODO add test for current ls by adding " or pyls" to -k option - but 1 test is failing
         - pytest -vv -p no:warnings --pyargs jupyter_lsp -k "not ({{ server_tests|join(' or ') }})"
     about:
+      home: https://github.com/krassowski/jupyterlab-lsp
+      license: BSD-3-Clause
+      license_family: BSD
+      license_file: jupyter-lsp/LICENSE
       summary: A metapackage for jupyter-lsp and python-language-server
-  - name: {{ name }}-r
+      doc_url: https://jupyterlab-lsp.readthedocs.io
+      doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/master/docs
+
+  - name: jupyter-lsp-r
+    version: {{ server_version }}
     build:
-      number: {{ build_number }}
-      noarch: generic
+      number: {{ server_build_number }}
+      noarch: python
     requirements:
+      host:
+        - python >=3.6
       run:
-        - {{ pin_subpackage(name, exact=True) }}
+        - {{ pin_subpackage("jupyter-lsp", exact=True) }}
         # Snippets support https://github.com/krassowski/jupyterlab-lsp/issues/208
         - r-languageserver >=0.3.5
     test:
       requires:
-        - jupyterlab {{ lab_spec }}
-        - jupyterlab_server>=1.1.0
         - pip
         - pytest-asyncio
         - pytest-runner
       commands:
         - python -m pip check
-        # TODO add test for current ls
         - pytest -vv -p no:warnings --pyargs jupyter_lsp -k "not ({{ server_tests|join(' or ') }})"
     about:
+      home: https://github.com/krassowski/jupyterlab-lsp
+      license: BSD-3-Clause
+      license_family: BSD
+      license_file: jupyter-lsp/LICENSE
       summary: A metapackage jupyter-lsp and r-languageserver
+      doc_url: https://jupyterlab-lsp.readthedocs.io
+      doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/master/docs
+
 
 about:
   home: https://github.com/krassowski/jupyterlab-lsp
   license: BSD-3-Clause
   license_family: BSD
-  license_file: LICENSE
-  summary: Multi-Language Server WebSocket proxy for Jupyter notebook or lab server for Python 3.5+.
+  license_file: jupyterlab-lsp/LICENSE
+  summary: Multi-Language Server WebSocket proxy for Jupyter Server
   doc_url: https://jupyterlab-lsp.readthedocs.io
-  doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/v{{ version }}/docs
+  doc_source_url: https://github.com/krassowski/jupyterlab-lsp/blob/master/docs
 
 extra:
-  feedstock-name: {{ name }}
+  feedstock-name: jupyter-lsp
   recipe-maintainers:
     - bollwyvl
     - fcollonval