chore: update game bridge to 2.12.5 #653
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ImmutableJeffrey
previously approved these changes
Jan 28, 2026
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Remove unnecessary polyfills and transformations by leveraging UnityWebBrowser 2.2.7 (CEF 137 = Chrome 137) native BigInt support. Changes: - Remove JSBI, whatwg-fetch, Babel polyfills from game-bridge - Replace transform-bigint.js with fixUnityBuild.js - Inline all JS into single script block without code transformations - Update Parcel target to Chrome 137 (current CEF version) - Add Parcel bundler configuration (.parcelrc) - Modify index.html to use external module reference This approach eliminates regex-based code transformations that were corrupting string literals and causing syntax errors.
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Change Parcel target from Chrome 137 to Chrome 90 to reduce code-splitting and improve deep link handling reliability. Chrome 90 produces fewer code-split chunks (2 vs 4), reducing timing issues during protocol handler execution and improving compatibility with CEF-based WebView implementations. Benefits: - Fewer dynamic imports = fewer race conditions - Smaller bundle size (1.8 MB vs 2.0 MB) - Better deep link reliability (verified in PR #2781) - Maintains full BigInt and modern JavaScript support
Improvements to Windows test reliability: 1. Disable browser cache to prevent cached session redirects - Add --incognito mode - Set --disk-cache-size=0 - Use temporary user-data-dir for each run 2. Fix protocol handler registration to use actual executable path - Find app using same logic as open_sample_app() - Support UNITY_APP_PATH environment variable - Use absolute path instead of hardcoded path This ensures fresh login flow every test run and proper deep link handling via immutablerunner:// protocol.
Remove --allow-external-protocol-handlers flag which was causing Brave to attempt automatic protocol handling without showing the permission dialog, resulting in silent failures. Now the dialog should appear asking "Open Sample Unity 6 Windows.cmd" which the test can then click to proceed with the deep link.
- Add comprehensive debug logs to game-bridge initialization - Add browser feature detection (BigInt, fetch, Error.cause, etc.) - Add detailed callback logging to track Unity communication - Update Parcel target from Chrome 90 to Chrome 137 to match CEF version - Improves debugging visibility for viem compatibility investigation
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Update game bridge (build from ts-immutable-sdk version 2.12.5)