CEF Python 147.0.dev1264 (development release)

This DEV release includes Chromium 147.0.7727.118 with CEF 147.0.10+gd58e84d. It is not recommended for production use.

The attached wheels were built by GitHub Actions from master. To build from source, follow docs/Build-instructions.md.

Before upgrading an existing application, see the Migration guide.

Installation

Download an appropriate .whl package from this release Assets and then install it:

python -m pip install --upgrade FILENAME.whl

Supported platforms

OS	Python	64bit	Requirements
Windows	3.10 / 3.11 / 3.12 / 3.13 / 3.14	Yes	Windows 10+
Linux	3.10 / 3.11 / 3.12 / 3.13 / 3.14	Yes	Ubuntu 24.04+, Debian 13+
macOS	3.10 / 3.11 / 3.12 / 3.13 / 3.14	Yes	macOS 12+ (Apple Silicon/arm64 only)

Testing

Windows and Linux — all examples were manually tested.
macOS — only basic CI tests have been run.

We are looking for macOS testers. Please test the examples in examples/, the build tools, and CEF test apps from the prebuilt CEF binaries. Please report your results.

Thanks 🙏

Thanks to Ted (@linesight) for the CEF 147 upgrade, new CI builds, new CMake system and extensive follow-up fixes.