diff --git a/.github/workflows/create-update-issues.yml b/.github/workflows/create-update-issues.yml
deleted file mode 100644
index 93ae77b..0000000
--- a/.github/workflows/create-update-issues.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-name: Create Update Issues
-
-on:
-  workflow_call:
-
-permissions:
-  contents: read
-
-jobs:
-  create-update-issues:
-    environment: default-branch
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      id-token: write
-    steps:
-      - name: Checkout head
-        uses: actions/checkout@v5
-      - name: Fetch tags
-        run: git fetch --prune --unshallow --tags
-      - name: Get extension token
-        id: extension-token
-        uses: MetaMask/github-tools/.github/actions/get-token@v1
-        with:
-          token-exchange-url: ${{ vars.TOKEN_EXCHANGE_URL }}
-          target-repository: 'MetaMask/metamask-extension'
-          permissions: |
-            contents: read
-            issues: write
-            metadata: read
-      - name: Get mobile token
-        id: mobile-token
-        uses: MetaMask/github-tools/.github/actions/get-token@v1
-        with:
-          token-exchange-url: ${{ vars.TOKEN_EXCHANGE_URL }}
-          target-repository: 'MetaMask/metamask-mobile'
-          permissions: |
-            contents: read
-            issues: write
-            metadata: read
-      - name: Create issues in extension and mobile repositories
-        run: ./scripts/create-update-issues.sh --no-dry-run
-        env:
-          EXTENSION_GITHUB_TOKEN: ${{ steps.extension-token.outputs.token }}
-          MOBILE_GITHUB_TOKEN: ${{ steps.mobile-token.outputs.token }}
diff --git a/.github/workflows/lint-build-test.yml b/.github/workflows/lint-build-test.yml
index 5f5046b..ceae7f2 100644
--- a/.github/workflows/lint-build-test.yml
+++ b/.github/workflows/lint-build-test.yml
@@ -37,7 +37,6 @@ jobs:
           - lint:misc:check
           - constraints
           - lint:dependencies
-          - lint:teams
           - readme-content:check
     steps:
       - name: Checkout and setup environment
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 781af33..5bc310d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -118,15 +118,6 @@ jobs:
       NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
 
-  create-update-issues:
-    name: Create update issues
-    needs: [is-release, publish-release]
-    if: needs.is-release.outputs.IS_RELEASE == 'true'
-    uses: ./.github/workflows/create-update-issues.yml
-    permissions:
-      contents: read
-      id-token: write
-
   all-jobs-complete:
     name: All jobs complete
     runs-on: ubuntu-latest
diff --git a/.github/workflows/publish-preview.yml b/.github/workflows/publish-preview.yml
index d3446a8..8835511 100644
--- a/.github/workflows/publish-preview.yml
+++ b/.github/workflows/publish-preview.yml
@@ -18,3 +18,14 @@ jobs:
       docs-url: 'https://github.com/MetaMask/core/blob/main/docs/processes/preview-builds.md'
     secrets:
       PUBLISH_PREVIEW_NPM_TOKEN: ${{ secrets.PUBLISH_PREVIEW_NPM_TOKEN }}
+      BUILD_ENV: |
+        {
+          "LOG_LEVEL": "${{ secrets.LOG_LEVEL }}",
+          "DEFAULT_ADDRESS_TYPE": "${{ secrets.DEFAULT_ADDRESS_TYPE }}",
+          "ESPLORA_BITCOIN": "${{ secrets.ESPLORA_BITCOIN }}",
+          "ESPLORA_TESTNET": "${{ secrets.ESPLORA_TESTNET }}",
+          "ESPLORA_TESTNET4": "${{ secrets.ESPLORA_TESTNET4 }}",
+          "ESPLORA_SIGNET": "${{ secrets.ESPLORA_SIGNET }}",
+          "ESPLORA_REGTEST": "${{ secrets.ESPLORA_REGTEST }}",
+          "PRICE_API_URL": "${{ secrets.PRICE_API_URL }}"
+        }
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 1ddf617..1a4a80f 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -7,6 +7,22 @@ on:
         required: false
       SLACK_WEBHOOK_URL:
         required: true
+      LOG_LEVEL:
+        required: false
+      DEFAULT_ADDRESS_TYPE:
+        required: false
+      ESPLORA_BITCOIN:
+        required: false
+      ESPLORA_TESTNET:
+        required: false
+      ESPLORA_TESTNET4:
+        required: false
+      ESPLORA_SIGNET:
+        required: false
+      ESPLORA_REGTEST:
+        required: false
+      PRICE_API_URL:
+        required: false
 
 permissions:
   contents: read
@@ -17,6 +33,7 @@ concurrency:
 
 jobs:
   publish-release:
+    environment: default-branch
     permissions:
       contents: write
     runs-on: ubuntu-latest
@@ -29,6 +46,15 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - run: yarn build
+        env:
+          LOG_LEVEL: ${{ secrets.LOG_LEVEL }}
+          DEFAULT_ADDRESS_TYPE: ${{ secrets.DEFAULT_ADDRESS_TYPE }}
+          ESPLORA_BITCOIN: ${{ secrets.ESPLORA_BITCOIN }}
+          ESPLORA_TESTNET: ${{ secrets.ESPLORA_TESTNET }}
+          ESPLORA_TESTNET4: ${{ secrets.ESPLORA_TESTNET4 }}
+          ESPLORA_SIGNET: ${{ secrets.ESPLORA_SIGNET }}
+          ESPLORA_REGTEST: ${{ secrets.ESPLORA_REGTEST }}
+          PRICE_API_URL: ${{ secrets.PRICE_API_URL }}
       - name: Upload build artifacts
         uses: actions/upload-artifact@v6
         with:
diff --git a/AGENTS.md b/AGENTS.md
index df8a4d6..e9941d0 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -38,7 +38,6 @@ The monorepo uses a hierarchical configuration approach for different tools. For
 ### Contributing teams and codeowners
 
 - `CODEOWNERS` defines which GitHub teams own which packages in the monorepo.
-- `teams.json` instructs the `create-update-issues` GitHub workflow which labels to assign issues that are created when there are new major version releases of packages.
 
 ### Yarn
 
diff --git a/package.json b/package.json
index 72244c6..90ee368 100644
--- a/package.json
+++ b/package.json
@@ -22,14 +22,13 @@
     "changelog:validate": "yarn workspaces foreach --all --no-private --parallel --interlaced --verbose run changelog:validate",
     "create-release-branch": "create-release-branch --formatter oxfmt",
     "create-package": "tsx scripts/create-package",
-    "lint": "yarn lint:eslint && echo && yarn lint:misc --check && yarn constraints && yarn lint:dependencies && yarn lint:teams && yarn readme-content:check",
+    "lint": "yarn lint:eslint && echo && yarn lint:misc --check && yarn constraints && yarn lint:dependencies && yarn readme-content:check",
     "lint:dependencies": "depcheck && yarn dedupe --check",
     "lint:dependencies:fix": "depcheck && yarn dedupe",
     "lint:eslint": "yarn build:only-clean && NODE_OPTIONS='--max-old-space-size=6144' yarn eslint",
     "lint:fix": "yarn lint:eslint --fix --prune-suppressions && echo && yarn lint:misc --write && yarn constraints --fix && yarn lint:dependencies:fix && yarn readme-content:update",
     "lint:misc": "oxfmt --ignore-path .gitignore",
     "lint:misc:check": "yarn lint:misc --check",
-    "lint:teams": "tsx scripts/lint-teams-json.ts",
     "prepack": "./scripts/prepack.sh",
     "prepare-preview-builds": "./scripts/prepare-preview-builds.sh",
     "readme-content:check": "tsx scripts/update-readme-content.ts --check",
diff --git a/scripts/create-update-issues.sh b/scripts/create-update-issues.sh
deleted file mode 100755
index a1206b4..0000000
--- a/scripts/create-update-issues.sh
+++ /dev/null
@@ -1,272 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-
-DEFAULT_REF="HEAD"
-DEFAULT_LABEL="client-controller-update"
-EXTENSION_REPO="MetaMask/metamask-extension"
-MOBILE_REPO="MetaMask/metamask-mobile"
-
-print-usage() {
-  cat <<EOT
-Detects major-bumped packages in a release commit and creates tickets in clients
-that instructs engineers to upgrade to them.
-
-Usage: $0 [--ref REF] [--no-dry-run]
-
-OPTIONS:
-
---ref REF, -r REF       The release commit to inspect.
---no-dry-run            By default, this script won't do anything, to allow you
-                        to test it. Pass this option to override that.
---help, -h              You're looking at it ;)
-EOT
-}
-
-existing-issue-found() {
-  local repo="$1"
-  local package_name="$2"
-  local version="$3"
-  local all_issues="$4"
-
-  if [[ -z "$all_issues" || "$all_issues" == "[]" ]]; then
-    echo "Found no issues in the repo."
-    return 1
-  fi
-
-  local package_name_without_at="${package_name#@}"
-  local package_name_escaped="${package_name//./\\.}"
-  local package_name_without_at_escaped="${package_name_without_at//./\\.}"
-  local regex_pattern="^(Update|Upgrade) (${package_name_escaped}|${package_name_without_at_escaped}) to version ${version//./\\.}$"
-
-  local matching_issues
-  matching_issues=$(echo "$all_issues" | jq --raw-output --arg pattern "$regex_pattern" '.[] | select(.title | test($pattern)) | "- #\(.number): \(.title) (\(.url))"')
-
-  if [[ -n "$matching_issues" ]]; then
-    local issue_count
-    issue_count=$(echo "$matching_issues" | wc -l | sed 's/^[[:space:]]*//')
-    echo "Found $issue_count existing issue(s) matching pattern: \"$regex_pattern\""
-    echo "$matching_issues"
-    return 0
-  fi
-
-  echo "Found no existing issues matching pattern: \"$regex_pattern\""
-  return 1
-}
-
-run-create-issue-command() {
-  local dry_run="$1"
-  local repo="$2"
-  local title="$3"
-  local body="$4"
-  local labels="$5"
-  local token="$6"
-
-  if [[ $dry_run -eq 1 ]]; then
-    echo "> gh issue create --title \"$title\" --body \"$body\" --repo \"$repo\" --label \"$labels\""
-  else
-    GH_TOKEN="$token" gh issue create --title "$title" --body "$body" --repo "$repo" --label "$labels"
-  fi
-}
-
-create-issue() {
-  local dry_run="$1"
-  local repo="$2"
-  local package_name="$3"
-  local version="$4"
-  local team_labels="$5"
-  local token="$6"
-
-  local title="Upgrade ${package_name} to version ${version}"
-  local body="A new major version of \`${package_name}\`, ${version}, is now available. This issue has been assigned to you and your team because you code-own this package in the \`core\` repo. If this package is present in this project, please prioritize upgrading it soon to unblock new features and bugfixes."
-  local labels="$DEFAULT_LABEL"
-  if [[ -n $team_labels ]]; then
-    labels+=",$team_labels"
-  fi
-
-  local exitcode
-
-  echo
-  echo "Creating issue in ${repo} with labels: \"${labels}\"..."
-
-  echo "----------------------------------------"
-  set +e
-  run-create-issue-command "$dry_run" "$repo" "$title" "$body" "$labels" "$token"
-  exitcode=$?
-  set -e
-  echo "----------------------------------------"
-
-  if [[ $exitcode -eq 0 ]]; then
-    if [[ -n $team_labels ]]; then
-      if [[ $dry_run -eq 1 ]]; then
-        echo "✅ Would have successfully created issue!"
-      else
-        echo "✅ Successfully created issue!"
-      fi
-    else
-      if [[ $dry_run -eq 1 ]]; then
-        echo "⚠️ Would have successfully created issue, but you would need to assign the correct team label."
-      else
-        echo "⚠️ Successfully created issue, but you will need to assign the correct team label (see URL above)."
-      fi
-    fi
-  else
-    echo "❌ Issue was not created. Please create an issue manually which requests that ${package_name} be updated to version ${version}, assigning the correct team labels."
-  fi
-
-  return $exitcode
-}
-
-main() {
-  local tag_array
-  local package_name
-  local package_name_without_leading_at
-  local version
-  local found_team_labels
-  local team_labels
-
-  local exitcode=0
-  local dry_run=1
-  local ref="$DEFAULT_REF"
-
-  while [[ $# -gt 0 ]]; do
-    case "$1" in
-      --ref|-r)
-        if [[ -n "${2:-}" ]] && ! [[ "$2" =~ ^- ]]; then
-          ref="$2"
-          shift 2
-        else
-          ref=""
-          shift
-        fi
-        ;;
-      --no-dry-run)
-        dry_run=0
-        shift
-        ;;
-      --help|-h)
-        print-usage
-        exit 0
-        ;;
-      *)
-        echo "ERROR: Unknown argument: $1"
-        echo "---------------------"
-        print-usage
-        exit 1
-        ;;
-    esac
-  done
-
-  if [[ -z "$ref" ]]; then
-    echo "ERROR: Missing ref."
-    echo "---------------------"
-    print-usage
-    exit 1
-  fi
-
-  local full_ref
-  if ! full_ref="$(git rev-parse "$ref" 2>/dev/null)"; then
-    echo "ERROR: Unknown ref \"$ref\"."
-    echo "---------------------"
-    print-usage
-    exit 1
-  fi
-
-  if [[ $dry_run -eq 1 ]]; then
-    echo "[[[ DRY-RUN MODE ]]]"
-    echo
-  fi
-
-  if [[ "$full_ref" == "$ref" ]]; then
-    echo "Looking for release tags pointing to $full_ref for major-bumped packages..."
-  else
-    echo "Looking for release tags pointing to $ref ($full_ref) for major-bumped packages..."
-  fi
-  tag_array=()
-  while IFS= read -r line; do
-    if [[ "$line" =~ ^@metamask/[^@]+@[0-9]+\.0\.0$ ]]; then
-      tag_array+=("$line")
-    fi
-  done < <(git tag --points-at "$full_ref" 2>/dev/null || true)
-
-  if [[ "${#tag_array[@]}" -eq 0 ]]; then
-    echo "No tags to process, nothing to do."
-    exit 0
-  fi
-
-  echo
-
-  local all_issues_extension
-  echo "Fetching issues on $EXTENSION_REPO with label $DEFAULT_LABEL..."
-  if ! all_issues_extension="$(GH_TOKEN="${EXTENSION_GITHUB_TOKEN:-}" gh issue list --repo "$EXTENSION_REPO" --label "$DEFAULT_LABEL" --state all --json number,title,url 2>&1)"; then
-    echo "❌ Failed to fetch issues from ${EXTENSION_REPO}"
-    echo "$all_issues_extension"
-    exit 1
-  fi
-
-  local all_issues_mobile
-  echo "Fetching issues on $MOBILE_REPO with label $DEFAULT_LABEL..."
-  if ! all_issues_mobile="$(GH_TOKEN="${MOBILE_GITHUB_TOKEN:-}" gh issue list --repo "$MOBILE_REPO" --label "$DEFAULT_LABEL" --state all --json number,title,url 2>&1)"; then
-    echo "❌ Failed to fetch issues from ${MOBILE_REPO}"
-    echo "$all_issues_mobile"
-    exit 1
-  fi
-
-  for tag in "${tag_array[@]}"; do
-    # The tag name looks like "<package_name>@<version>",
-    # and "<package_name>" looks like "@metamask/*"
-    package_name="${tag%@*}"
-    package_name_without_leading_at="${package_name#@}"
-    version="${tag##*@}"
-
-    echo
-    echo "=== ${package_name} ${version} ==="
-    echo
-
-    # Use teams.json to determine which teams code-own this package, and what their labels are
-    found_team_labels=$(jq --raw-output --arg key "${package_name_without_leading_at}" '.[$key]' teams.json)
-    if [[ $found_team_labels == "null" ]]; then
-      echo "Did not find team labels for ${package_name}. Creating issues anyway..."
-      team_labels=""
-      exitcode=1
-    else
-      echo "Found team labels for ${package_name}: \"${found_team_labels}\". Creating issues..."
-      team_labels="$found_team_labels"
-    fi
-
-    # Create the extension issue, if it doesn't exist yet
-    echo
-    echo "Checking for existing issues in ${EXTENSION_REPO}..."
-    if existing-issue-found "${EXTENSION_REPO}" "$package_name" "$version" "$all_issues_extension"; then
-      if [[ $dry_run -eq 1 ]]; then
-        echo "⏭️ Would not have created issue because it already exists"
-      else
-        echo "⏭️ Not creating issue because it already exists"
-      fi
-    elif ! create-issue "$dry_run" "$EXTENSION_REPO" "$package_name" "$version" "$team_labels" "${EXTENSION_GITHUB_TOKEN:-}"; then
-      exitcode=1
-    fi
-
-    # Create the mobile issue, if it doesn't exist yet
-    echo
-    echo "Checking for existing issues in ${MOBILE_REPO}..."
-    if existing-issue-found "${MOBILE_REPO}" "$package_name" "$version" "$all_issues_mobile"; then
-      if [[ $dry_run -eq 1 ]]; then
-        echo "⏭️ Would not have created issue because it already exists"
-      else
-        echo "⏭️ Not creating issue because it already exists"
-      fi
-    elif ! create-issue "$dry_run" "$MOBILE_REPO" "$package_name" "$version" "$team_labels" "${MOBILE_GITHUB_TOKEN:-}"; then
-      exitcode=1
-    fi
-  done
-
-  if [[ $exitcode -ne 0 ]]; then
-    echo
-    echo "One or more warnings or errors were found. See above for details."
-  fi
-
-  return $exitcode
-}
-
-main "$@"
diff --git a/scripts/lint-teams-json.ts b/scripts/lint-teams-json.ts
deleted file mode 100644
index 7fcb68b..0000000
--- a/scripts/lint-teams-json.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-import { readJsonFile } from '@metamask/utils/node';
-import execa from 'execa';
-import path from 'path';
-
-type Workspace = {
-  location: string;
-  name: string;
-};
-
-// Run the script immediately.
-main().catch((error) => {
-  console.error(error);
-  process.exitCode = 1;
-});
-
-/**
- * The entrypoint to this script.
- *
- * Cross-checks the packages listed in `teams.json` against the public packages
- * in the monorepo. If there are any packages missing from `teams.json`, prints
- * an error and exits with a non-zero code.
- */
-async function main(): Promise<void> {
-  const releaseableWorkspaces = await getPublicWorkspaces();
-  const releaseablePackageNames = releaseableWorkspaces.map((workspace) => {
-    // The package names in teams.json omit the leading "@", so we do that here
-    // too in order to be consistent
-    return workspace.name.slice(1);
-  });
-
-  const teams = await readJsonFile<Record<string, string>>(
-    path.resolve(__dirname, '../teams.json'),
-  );
-  const assignedPackageNames = Object.keys(teams);
-
-  const missingPackageNames = releaseablePackageNames.filter(
-    (releaseablePackageName) => {
-      return !assignedPackageNames.includes(releaseablePackageName);
-    },
-  );
-
-  if (missingPackageNames.length > 0) {
-    console.error(
-      'ERROR: teams.json is invalid. Please add the following packages:',
-    );
-    for (const missingPackageName of missingPackageNames) {
-      console.error(`- ${missingPackageName}`);
-    }
-    process.exitCode = 1;
-  }
-}
-
-/**
- * Uses the `yarn` executable to gather the Yarn workspaces inside of this
- * project (the packages that are matched by the `workspaces` field inside of
- * `package.json`).
- *
- * @returns The list of workspaces.
- */
-async function getPublicWorkspaces(): Promise<Workspace[]> {
-  const { stdout } = await execa('yarn', [
-    'workspaces',
-    'list',
-    '--json',
-    '--no-private',
-  ]);
-
-  return stdout ? stdout.split('\n').map((line) => JSON.parse(line)) : [];
-}
diff --git a/teams.json b/teams.json
deleted file mode 100644
index 4b836b4..0000000
--- a/teams.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "metamask/sample-snap": "team-networks",
-  "metamask/bitcoin-wallet-snap": "team-networks"
-}