when v2.3.0 Release Notes

    • 🆕 New [promise.tap](docs/api.md#tap) for adding side effects to a promise chain.
    • 🆕 New MessageChannel scheduler reduces "time-to-first" handler, in environments that support it.
    • 🐎 Performance optimizations for promise resolution.
    • Internal architecture improvements to pave the way for when.js 3.0.0.