diff --git a/.github/workflows/node-4+.yml b/.github/workflows/node-4+.yml
index ba174e1d..0483dda9 100644
--- a/.github/workflows/node-4+.yml
+++ b/.github/workflows/node-4+.yml
@@ -24,11 +24,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
-        name: 'npm install && npm run tests-only'
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
+
   minors:
     needs: [matrix, latest]
     name: 'non-latest minors'
@@ -41,10 +43,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
 
   node:
     name: 'node 4+'
diff --git a/.github/workflows/node-iojs.yml b/.github/workflows/node-iojs.yml
index f707c3cf..ee47695f 100644
--- a/.github/workflows/node-iojs.yml
+++ b/.github/workflows/node-iojs.yml
@@ -24,12 +24,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
-        name: 'npm install && npm run tests-only'
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
           skip-ls-check: true
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
 
   minors:
     needs: [matrix, latest]
@@ -43,12 +44,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
-        name: 'npm install && npm run tests-only'
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
           skip-ls-check: true
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
 
   node:
     name: 'io.js'
diff --git a/.github/workflows/node-pretest.yml b/.github/workflows/node-pretest.yml
index 3921e0ae..16461736 100644
--- a/.github/workflows/node-pretest.yml
+++ b/.github/workflows/node-pretest.yml
@@ -8,19 +8,15 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
-        name: 'npm install && npm run pretest'
-        with:
-          node-version: 'lts/*'
-          command: 'pretest'
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+      - run: npm run pretest
 
   posttest:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
-        name: 'npm install && npm run posttest'
-        with:
-          node-version: 'lts/*'
-          command: 'posttest'
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+      - run: npm run posttest
diff --git a/.github/workflows/node-zero.yml b/.github/workflows/node-zero.yml
index d044c603..4e72a688 100644
--- a/.github/workflows/node-zero.yml
+++ b/.github/workflows/node-zero.yml
@@ -24,12 +24,14 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
           cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
           skip-ls-check: true
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
 
   unstable:
     needs: [matrix, stable]
@@ -43,12 +45,14 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: ljharb/actions/node/run@main
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
-          command: 'tests-only'
           cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
           skip-ls-check: true
+      - run: npm run tests-only
+      - run: bash <(curl -s https://codecov.io/bash) -f coverage/*.json;
 
   node:
     name: 'node 0.x'
diff --git a/README.md b/README.md
index d2676bd7..09e2cc9e 100644
--- a/README.md
+++ b/README.md
@@ -352,7 +352,7 @@ var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str, defaultE
 The type argument is also provided to the decoder:
 
 ```javascript
-var decoded = qs.parse('x=z', { decoder: function (str, defaultEncoder, charset, type) {
+var decoded = qs.parse('x=z', { decoder: function (str, defaultDecoder, charset, type) {
     if (type === 'key') {
         return // Decoded key
     } else if (type === 'value') {