diff --git a/.github/workflows/compiler_playground.yml b/.github/workflows/compiler_playground.yml
index d7a6306ee43..338a95d208a 100644
--- a/.github/workflows/compiler_playground.yml
+++ b/.github/workflows/compiler_playground.yml
@@ -8,6 +8,10 @@ on:
       - compiler/**
       - .github/workflows/compiler-playground.yml
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   TZ: /usr/share/zoneinfo/America/Los_Angeles
   # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
@@ -33,7 +37,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('compiler/**/yarn.lock') }}
+          key: compiler-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/**/yarn.lock') }}
       - name: yarn install compiler
         run: yarn install --frozen-lockfile
         working-directory: compiler
diff --git a/.github/workflows/compiler_prereleases.yml b/.github/workflows/compiler_prereleases.yml
index 25ad6adde88..c2b09dae054 100644
--- a/.github/workflows/compiler_prereleases.yml
+++ b/.github/workflows/compiler_prereleases.yml
@@ -44,7 +44,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('compiler/**/yarn.lock') }}
+          key: compiler-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Publish packages to npm
         run: |
diff --git a/.github/workflows/compiler_rust.yml b/.github/workflows/compiler_rust.yml
index 3cda1325ca4..6b4a023a298 100644
--- a/.github/workflows/compiler_rust.yml
+++ b/.github/workflows/compiler_rust.yml
@@ -15,6 +15,10 @@ on:
       - compiler/Cargo.*
       - compiler/*.toml
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always
   RUSTFLAGS: -Dwarnings
diff --git a/.github/workflows/compiler_typescript.yml b/.github/workflows/compiler_typescript.yml
index 6fc00047a16..acd23eeb956 100644
--- a/.github/workflows/compiler_typescript.yml
+++ b/.github/workflows/compiler_typescript.yml
@@ -8,6 +8,10 @@ on:
       - compiler/**
       - .github/workflows/compiler_typescript.yml
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   TZ: /usr/share/zoneinfo/America/Los_Angeles
   # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
@@ -43,7 +47,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('compiler/**/yarn.lock') }}
+          key: compiler-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn workspace babel-plugin-react-compiler lint
 
@@ -63,7 +67,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('compiler/**/yarn.lock') }}
+          key: compiler-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn workspace babel-plugin-react-compiler jest
 
@@ -87,6 +91,6 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('compiler/**/yarn.lock') }}
+          key: compiler-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn workspace ${{ matrix.workspace_name }} test
diff --git a/.github/workflows/devtools_regression_tests.yml b/.github/workflows/devtools_regression_tests.yml
index 1183d062d1a..be4c38e2561 100644
--- a/.github/workflows/devtools_regression_tests.yml
+++ b/.github/workflows/devtools_regression_tests.yml
@@ -30,7 +30,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
+          key: runtime-release-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: scripts/release
@@ -62,7 +62,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -116,7 +116,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore all archived build artifacts
         uses: actions/download-artifact@v4
@@ -150,7 +150,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore all archived build artifacts
         uses: actions/download-artifact@v4
diff --git a/.github/workflows/runtime_build_and_test.yml b/.github/workflows/runtime_build_and_test.yml
index 1f780d4ee37..1a85eb40846 100644
--- a/.github/workflows/runtime_build_and_test.yml
+++ b/.github/workflows/runtime_build_and_test.yml
@@ -7,6 +7,10 @@ on:
     paths-ignore:
       - compiler/**
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   TZ: /usr/share/zoneinfo/America/Los_Angeles
   # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
@@ -48,7 +52,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: node ./scripts/tasks/flow-ci ${{ matrix.flow_inline_config_shortname }}
 
@@ -68,7 +72,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: |
           yarn generate-inline-fizz-runtime
@@ -90,7 +94,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn flags
 
@@ -139,7 +143,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn test ${{ matrix.params }} --ci --shard=${{ matrix.shard }}
 
@@ -168,7 +172,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn build --index=${{ matrix.worker_id }} --total=20 --r=${{ matrix.release_channel }} --ci
         env:
@@ -238,7 +242,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -266,7 +270,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -309,7 +313,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -340,7 +344,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -368,7 +372,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: v2-yarn_cache_fixtures_dom-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
+          key: fixtures_dom-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile --cache-folder ~/.cache/yarn
         working-directory: fixtures/dom
@@ -408,7 +412,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: v2-yarn_cache_fixtures_flight-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
+          key: fixtures_flight-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -464,7 +468,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -510,7 +514,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build
         uses: actions/download-artifact@v4
@@ -581,7 +585,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
+          key: runtime-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - name: Restore archived build for PR
         uses: actions/download-artifact@v4
diff --git a/.github/workflows/runtime_commit_artifacts.yml b/.github/workflows/runtime_commit_artifacts.yml
index b8b21eb288d..7842f07ba58 100644
--- a/.github/workflows/runtime_commit_artifacts.yml
+++ b/.github/workflows/runtime_commit_artifacts.yml
@@ -74,7 +74,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
+          key: runtime-release-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
       - run: yarn install --frozen-lockfile
         name: yarn install (react)
       - run: yarn install --frozen-lockfile
diff --git a/.github/workflows/runtime_prereleases.yml b/.github/workflows/runtime_prereleases.yml
index 0f3f79432b5..37516ea3cb1 100644
--- a/.github/workflows/runtime_prereleases.yml
+++ b/.github/workflows/runtime_prereleases.yml
@@ -40,7 +40,7 @@ jobs:
         id: node_modules
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
+          key: runtime-release-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock', 'scripts/release/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn install --frozen-lockfile
         working-directory: scripts/release
diff --git a/.github/workflows/shared_lint.yml b/.github/workflows/shared_lint.yml
index 31834c3fb96..a3608ec291e 100644
--- a/.github/workflows/shared_lint.yml
+++ b/.github/workflows/shared_lint.yml
@@ -5,6 +5,10 @@ on:
     branches: [main]
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   TZ: /usr/share/zoneinfo/America/Los_Angeles
   # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
@@ -25,7 +29,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          key: shared-lint-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: yarn prettier-check
 
@@ -43,7 +47,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          key: shared-lint-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: node ./scripts/tasks/eslint
 
@@ -61,7 +65,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          key: shared-lint-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: ./scripts/ci/check_license.sh
 
@@ -79,6 +83,6 @@ jobs:
         uses: actions/cache@v4
         with:
           path: "**/node_modules"
-          key: ${{ runner.arch }}-${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          key: shared-lint-node_modules-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
       - run: yarn install --frozen-lockfile
       - run: ./scripts/ci/test_print_warnings.sh