diff --git a/.github/actions/constants.cjs b/.github/actions/constants.cjs
new file mode 100644
index 00000000..aeb9b973
--- /dev/null
+++ b/.github/actions/constants.cjs
@@ -0,0 +1,22 @@
+const BADGE =
+  '<img src="https://img.shields.io/badge/{{ CONCLUSION }}-{{ BADGE_COLOR }}?style=for-the-badge&label={{ BADGE_LABEL }}" alt="Badge" />'
+const BROWSERS = ['chrome', 'firefox', 'opera', 'edge']
+const COLORS = {
+  green: '3fb950',
+  red: 'd73a49',
+}
+const TEMPLATE_VARS = {
+  tableBody: '{{ TABLE_BODY }}',
+  sha: '{{ SHA }}',
+  conslusion: '{{ CONCLUSION }}',
+  badgeColor: '{{ BADGE_COLOR }}',
+  badgeLabel: '{{ BADGE_LABEL }}',
+  jobLogs: '{{ JOB_LOGS }}',
+}
+
+module.exports = {
+  BADGE,
+  BROWSERS,
+  COLORS,
+  TEMPLATE_VARS,
+}
diff --git a/.github/actions/delete-artifacts.cjs b/.github/actions/delete-artifacts.cjs
new file mode 100644
index 00000000..216bc033
--- /dev/null
+++ b/.github/actions/delete-artifacts.cjs
@@ -0,0 +1,67 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable no-console */
+const { BROWSERS } = require('./constants.cjs')
+
+async function getBrowserArfifacts({ github, owner, repo, name }) {
+  const artifacts = []
+  const result = await github.rest.actions.listArtifactsForRepo({
+    owner,
+    repo,
+    name,
+  })
+
+  for (let i = 0; i < result.data.total_count; i++) {
+    artifacts.push(result.data.artifacts[i].id)
+  }
+
+  return artifacts
+}
+
+async function getPRArtifacts({ github, owner, repo, prNumber }) {
+  const promises = []
+  const artifacts = []
+
+  BROWSERS.forEach(browser =>
+    promises.push(
+      getBrowserArfifacts({
+        github,
+        owner,
+        repo,
+        name: `${prNumber}-${browser}`,
+      }),
+    ),
+  )
+
+  const data = await Promise.all(promises)
+
+  for (let i = 0; i < data.length; i++) {
+    artifacts.push.apply(artifacts, data[i])
+  }
+
+  return artifacts
+}
+
+module.exports = async ({ github, context, core }) => {
+  if (context.payload.action !== 'closed') {
+    core.setFailed('This action only works on closed PRs.')
+  }
+
+  const { owner, repo } = context.repo
+  const prNumber = context.payload.number
+  const promises = []
+
+  const artifacts = await getPRArtifacts({ github, owner, repo, prNumber })
+
+  for (let i = 0; i < artifacts.length; i++) {
+    promises.push(
+      github.rest.actions.deleteArtifact({
+        owner,
+        repo,
+        artifact_id: artifacts[i],
+      }),
+    )
+  }
+
+  await Promise.all(promises)
+  console.log(`Deleted ${artifacts.length} artifacts for PR #${prNumber}.`)
+}
diff --git a/.github/actions/get-workflow-artifacts.cjs b/.github/actions/get-workflow-artifacts.cjs
new file mode 100644
index 00000000..e6ada883
--- /dev/null
+++ b/.github/actions/get-workflow-artifacts.cjs
@@ -0,0 +1,96 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable no-console */
+const fs = require('node:fs/promises')
+const { COLORS, TEMPLATE_VARS, BADGE } = require('./constants.cjs')
+
+const ARTIFACTS_DATA = {
+  chrome: {
+    name: 'Chrome',
+    url: null,
+    size: null,
+  },
+  firefox: {
+    name: 'Firefox',
+    url: null,
+    size: null,
+  },
+  opera: {
+    name: 'Opera',
+    url: null,
+    size: null,
+  },
+  edge: {
+    name: 'Edge',
+    url: null,
+    size: null,
+  },
+}
+
+function getBadge(conclusion, badgeColor, badgeLabel) {
+  return BADGE.replace(TEMPLATE_VARS.conslusion, conclusion)
+    .replace(TEMPLATE_VARS.badgeColor, badgeColor)
+    .replace(TEMPLATE_VARS.badgeLabel, badgeLabel)
+}
+
+function formatBytes(bytes, decimals = 2) {
+  if (!Number(bytes)) return '0B'
+  const k = 1024
+  const dm = decimals < 0 ? 0 : decimals
+  const sizes = ['B', 'KB', 'MB', 'GB']
+  const i = Math.floor(Math.log(bytes) / Math.log(k))
+  return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))}${sizes[i]}`
+}
+
+module.exports = async ({ github, context, core }) => {
+  const { owner, repo } = context.repo
+  const baseUrl = context.payload.repository.html_url
+  const suiteId = context.payload.workflow_run.check_suite_id
+  const runId = context.payload.workflow_run.id
+  const conclusion = context.payload.workflow_run.conclusion
+  const sha = context.payload.workflow_run.pull_requests[0].head.sha
+  const prNumber = context.payload.workflow_run.pull_requests[0].number
+  const jobLogsUrl = `${baseUrl}/actions/runs/${context.payload.workflow_run.id}`
+  const template = await fs.readFile('./.github/actions/templates/build-status.md', 'utf8')
+  const tableRows = []
+
+  core.setOutput('conclusion', conclusion)
+
+  if (conclusion === 'cancelled') {
+    return
+  }
+
+  const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
+    owner,
+    repo,
+    run_id: runId,
+  })
+
+  artifacts.data.artifacts.forEach(artifact => {
+    const [, key] = artifact.name.split('-')
+    ARTIFACTS_DATA[key].url = `${baseUrl}/suites/${suiteId}/artifacts/${artifact.id}`
+    ARTIFACTS_DATA[key].size = formatBytes(artifact.size_in_bytes)
+  })
+
+  Object.keys(ARTIFACTS_DATA).forEach(k => {
+    const { name, url, size } = ARTIFACTS_DATA[k]
+    if (url === null && size === null) {
+      const badgeUrl = getBadge('failure', COLORS.red, name)
+      tableRows.push(`<tr><td align="center">${badgeUrl}</td><td align="center">N/A</td></tr>`)
+    } else {
+      const badgeUrl = getBadge('success', COLORS.green, `${name} (${size})`)
+      tableRows.push(
+        `<tr><td align="center">${badgeUrl}</td><td align="center"><a href="${url}">Download</a></td></tr>`,
+      )
+    }
+  })
+
+  const tableBody = tableRows.join('')
+  const commentBody = template
+    .replace(TEMPLATE_VARS.conslusion, conclusion)
+    .replace(TEMPLATE_VARS.sha, sha)
+    .replace(TEMPLATE_VARS.jobLogs, `<a href="${jobLogsUrl}">Run #${runId}</a>`)
+    .replace(TEMPLATE_VARS.tableBody, tableBody)
+
+  core.setOutput('comment_body', commentBody)
+  core.setOutput('pr_number', prNumber)
+}
diff --git a/.github/actions/templates/build-status.md b/.github/actions/templates/build-status.md
new file mode 100644
index 00000000..cc3aa774
--- /dev/null
+++ b/.github/actions/templates/build-status.md
@@ -0,0 +1,22 @@
+<!-- __WM_EXTENSION_BUILD_PREVIEWS__ -->
+<h2>Extension builds preview</h2>
+
+<table role="table">
+<thead>
+  <tr>
+    <th>Name</th>
+    <th>Link</th>
+  </tr>
+</thead>
+<tbody>
+  <tr>
+    <td align="center">Latest commit</td>
+    <td align="center">{{ SHA }}</td>
+  </tr>
+  <tr>
+    <td align="center">Latest job logs</td>
+    <td align="center">{{ JOB_LOGS }}</td>
+  </tr>
+  {{ TABLE_BODY }}
+</tbody>
+</table>
diff --git a/.github/workflows/build-previews.yml b/.github/workflows/build-previews.yml
new file mode 100644
index 00000000..bb48de36
--- /dev/null
+++ b/.github/workflows/build-previews.yml
@@ -0,0 +1,44 @@
+name: Build previews
+
+on:
+  workflow_run:
+    types:
+      - 'completed'
+    workflows:
+      - 'PR Checks'
+
+jobs:
+  comment:
+    name: Add comment with extension preview builds
+    runs-on: ubuntu-22.04
+    if: github.repository == 'interledger/web-monetization-extension'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Get workflow artifacts
+        uses: actions/github-script@v7
+        id: get-workflow-artifacts
+        with:
+          script: |
+            const script = require('./.github/actions/get-workflow-artifacts.cjs')
+            await script({ github, context, core })
+
+      - name: Find comment
+        if: ${{ steps.get-workflow-artifacts.outputs.conclusion != 'cancelled' }}
+        uses: peter-evans/find-comment@v2
+        id: find-comment
+        with:
+          issue-number: ${{ steps.get-workflow-artifacts.outputs.pr_number }}
+          comment-author: 'raducristianpopa'
+          body-includes: '<!-- __WM_EXTENSION_BUILD_PREVIEWS__ -->'
+
+      - name: Add/Update comment
+        if: ${{ steps.get-workflow-artifacts.outputs.conclusion != 'cancelled' }}
+        uses: peter-evans/create-or-update-comment@v2
+        with:
+          token: ${{ secrets.PAT }}
+          comment-id: ${{ steps.find-comment.outputs.comment-id }}
+          issue-number: ${{ steps.get-workflow-artifacts.outputs.pr_number }}
+          body: ${{ steps.get-workflow-artifacts.outputs.comment_body }}
+          edit-mode: replace
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index dbc4b9de..00000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches:
-      - main
-
-  pull_request:
-    branches:
-      - main
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 16.x
-          cache: 'yarn'
-
-      - name: Install dependencies
-        run: rm -rf node_modules && yarn install --frozen-lockfile
-
-      - name: Build
-        run: yarn build:chrome
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a8c3c19a..ec2b07b0 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -23,7 +23,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     permissions:
       actions: read
       contents: read
diff --git a/.github/workflows/delete-pr-artifacts.yml b/.github/workflows/delete-pr-artifacts.yml
new file mode 100644
index 00000000..3608e4b3
--- /dev/null
+++ b/.github/workflows/delete-pr-artifacts.yml
@@ -0,0 +1,22 @@
+name: Delete PR artifacts
+
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  delete:
+    name: Delete artifacts
+    if: github.repository == 'interledger/web-monetization-extension'
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Delete arfiacts
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const script = require('./.github/actions/delete-artifacts.cjs')
+            await script({ github, context, core })
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
new file mode 100644
index 00000000..eda6a7eb
--- /dev/null
+++ b/.github/workflows/pr-checks.yml
@@ -0,0 +1,45 @@
+name: PR Checks
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+# TODO(@raducristianpopa): add lint/format checks and tests
+
+jobs:
+  build:
+    name: Build
+    strategy:
+      fail-fast: false
+      matrix:
+        browser: [chrome, firefox, opera, edge]
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: rm -rf node_modules && yarn install --frozen-lockfile
+
+      - name: Build
+        run: yarn build:${{ matrix.browser }}
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3.1.2
+        with:
+          name: ${{ github.event.pull_request.number }}-${{ matrix.browser }}
+          path: dist/${{ matrix.browser }}/${{ matrix.browser }}.zip
+          if-no-files-found: error
diff --git a/.github/workflows/pr-title-check.yml b/.github/workflows/pr-title-check.yml
index 94ec0501..6624f974 100644
--- a/.github/workflows/pr-title-check.yml
+++ b/.github/workflows/pr-title-check.yml
@@ -2,13 +2,13 @@ name: Check PR title
 
 on:
   pull_request:
-    branches: ["**"]
+    branches: ['**']
 
 jobs:
   check-pr-title:
     name: Check PR Title
     runs-on: ubuntu-22.04
-    steps: 
+    steps:
       - uses: amannn/action-semantic-pull-request@v5
-        env: 
+        env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/sanity.yml b/.github/workflows/sanity.yml
new file mode 100644
index 00000000..d6311a48
--- /dev/null
+++ b/.github/workflows/sanity.yml
@@ -0,0 +1,32 @@
+name: Sanity
+
+on:
+  push:
+    branches:
+      - main
+
+# TODO(@raducristianpopa): add lint/format checks and tests
+
+jobs:
+  build:
+    name: Build extension
+    strategy:
+      fail-fast: false
+      matrix:
+        browser: [chrome, firefox, opera, edge]
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: rm -rf node_modules && yarn install --frozen-lockfile
+
+      - name: Build
+        run: yarn build:${{ matrix.browser }}