From 349baabf7a0c8e6728a7a2f350954cd74a099880 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 19 May 2026 09:01:30 +0000
Subject: [PATCH 1/2] chore(monosize): externalize react/jsx-runtime in webpack
 bundler config

Agent-Logs-Url: https://github.com/microsoft/fluentui/sessions/081c6b0e-a99a-4f98-b47a-34fb89911007

Co-authored-by: Hotell <1223799+Hotell@users.noreply.github.com>
---
 monosize.config.mjs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/monosize.config.mjs b/monosize.config.mjs
index 6cfe4a0e54b7fe..496f23de35cb77 100644
--- a/monosize.config.mjs
+++ b/monosize.config.mjs
@@ -16,6 +16,7 @@ const config = {
     config.externals = config.externals ?? {};
     config.externals = {
       react: 'React',
+      'react/jsx-runtime': 'jsxRuntime',
       'react-dom': 'ReactDOM',
       'react/compiler-runtime': 'ReactCompilerRuntime',
     };

From acc16e94d45d15f0a12e75bb8f5dfeeae1e6b952 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 19 May 2026 09:27:22 +0000
Subject: [PATCH 2/2] chore(codeowners): add monosize config ownership to
 react-build

Agent-Logs-Url: https://github.com/microsoft/fluentui/sessions/72b0bd72-b618-4276-8564-5e6c97ce6e5b

Co-authored-by: Hotell <1223799+Hotell@users.noreply.github.com>
---
 .github/CODEOWNERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 75e02b6acca5a0..4036f2094b3c55 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -399,6 +399,7 @@ packages/react-experiments/src/components/TileList @ThomasMichon
 
 ### generic rules for v-build. Might be tweaked based on needs.
 **/project.json @microsoft/fluentui-react-build
+**/monosize.config.mjs @microsoft/fluentui-react-build
 **/just.config.ts @microsoft/fluentui-react-build
 **/jest.config.js @microsoft/fluentui-react-build
 **/webpack.*.js @microsoft/fluentui-react-build