diff --git a/.circleci/config.yml b/.circleci/config.yml
index f1d5e193cb..2fa41ef72f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,6 @@
-version: 2
+version: 2.1
+orbs:
+  win: circleci/windows@2.4.0
 jobs:
   percy-finalize:
     docker:
@@ -183,6 +185,45 @@ jobs:
           environment:
             PYVERSION: python27
 
+  build-windows-37: &build-windows
+    working_directory: ~/dash
+    executor:
+      name: win/default
+      shell: bash.exe
+    environment:
+      PYVERSION: python37
+    steps:
+      - checkout
+      - run: echo $PYVERSION > ver.txt
+      - restore_cache:
+          key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
+      - run:
+          name: ️️🏗️ pip dev requirements
+          command: |
+            pip install --upgrade virtualenv
+            virtualenv venv
+            source venv/Scripts/activate
+            sed -i '/dash-/d' requires-install.txt
+            pip install -e . --no-cache-dir -r requires-install.txt -r requires-dev.txt -r requires-testing.txt --progress-bar off
+      - save_cache:
+          key: dep-{{ checksum ".circleci/config.yml" }}-{{ checksum "ver.txt" }}-{{ checksum "requires-dev.txt" }}-{{ checksum "requires-install.txt" }}-{{ checksum "requires-testing.txt" }}
+          paths:
+              - venv
+      - run:
+          name: ️️🏗️ build core
+          command: |
+              source venv/Scripts/activate && pip install --no-cache-dir --upgrade -e . --progress-bar off && mkdir packages
+              cd dash-renderer && renderer build && python setup.py sdist && mv dist/* ../packages/ && cd ..
+              git clone --depth 1 https://github.com/plotly/dash-core-components.git
+              cd dash-core-components && npm ci && npm run build && python setup.py sdist && mv dist/* ../packages/  && cd ..
+              git clone --depth 1 https://github.com/plotly/dash-renderer-test-components
+              cd dash-renderer-test-components && npm ci && npm run build:all && python setup.py sdist && mv dist/* ../packages/ && cd ..
+              ls -la packages
+      - persist_to_workspace:
+          root: ~/dash
+          paths:
+            - packages/*.tar.gz
+
   test-37: &test
     working_directory: ~/dash
     docker:
@@ -246,6 +287,7 @@ workflows:
     jobs:
       - lint-unit-37
       - build-core-37
+      - build-windows-37
       - build-misc-37
       - test-37:
           requires:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6028f4751c..82386318d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to `dash` will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+### Added
+- [#1133](github.com/plotly/dash/pull/1133) Allow the `compress` config variable to be set with an environment variable with DASH_COMPRESS=FALSE
+
 ## [1.9.0] - 2020-02-04
 ### Fixed
 - [#1080](https://github.com/plotly/dash/pull/1080) Handle case where dash fails to load when used inside an iframe with a sandbox attribute that only has allow-scripts
diff --git a/dash-renderer/src/persistence.js b/dash-renderer/src/persistence.js
index 39bd011854..5d8059214f 100644
--- a/dash-renderer/src/persistence.js
+++ b/dash-renderer/src/persistence.js
@@ -3,8 +3,9 @@
  *
  * When users input new prop values, they can be stored and reapplied later,
  * when the component is recreated (changing `Tab` for example) or when the
- * page is reloaded (depending on `persistence_type`) Storage is tied to
- * component ID and will not on with components without an ID.
+ * page is reloaded (depending on `persistence_type`). Storage is tied to
+ * component ID, and the prop values will not be stored with components
+ * without an ID.
  *
  * Renderer handles the mechanics, but components must define a few props:
  *
diff --git a/dash/_configs.py b/dash/_configs.py
index c93fca5eba..0c4fae55b4 100644
--- a/dash/_configs.py
+++ b/dash/_configs.py
@@ -29,12 +29,13 @@ def load_dash_env_vars():
                 'DASH_HOT_RELOAD_MAX_RETRY',
                 'DASH_SILENCE_ROUTES_LOGGING',
                 'DASH_PRUNE_ERRORS',
+                'DASH_COMPRESS'
             )
         }
     )
 
 
-DASH_ENV_VARS = load_dash_env_vars()
+DASH_ENV_VARS = load_dash_env_vars()  # used in tests
 
 
 def get_combined_config(name, val, default=None):
diff --git a/dash/dash.py b/dash/dash.py
index 679ed0ee9a..4a702aab6d 100644
--- a/dash/dash.py
+++ b/dash/dash.py
@@ -221,7 +221,7 @@ def __init__(
         requests_pathname_prefix=None,
         routes_pathname_prefix=None,
         serve_locally=True,
-        compress=True,
+        compress=None,
         meta_tags=None,
         index_string=_default_index,
         external_scripts=None,
@@ -276,7 +276,9 @@ def __init__(
             routes_pathname_prefix=routes_prefix,
             requests_pathname_prefix=requests_prefix,
             serve_locally=serve_locally,
-            compress=compress,
+            compress=get_combined_config(
+                "compress", compress, True
+            ),
             meta_tags=meta_tags or [],
             external_scripts=external_scripts or [],
             external_stylesheets=external_stylesheets or [],
diff --git a/tests/integration/test_scripts.py b/tests/integration/test_scripts.py
index 3900ea6979..9a9e6f2d91 100644
--- a/tests/integration/test_scripts.py
+++ b/tests/integration/test_scripts.py
@@ -36,7 +36,7 @@ def findSyncPlotlyJs(scripts):
 
 def findAsyncPlotlyJs(scripts):
     for script in scripts:
-        if "dash_core_components/async~plotlyjs" in script.get_attribute(
+        if "dash_core_components/async-plotlyjs" in script.get_attribute(
             'src'
         ):
             return script