|Electron Increases Promisification
|Written by Kay Ewbank
|Monday, 05 August 2019
Electron, originally known as Atom Shell, was developed for GitHub's Atom text editor. It combines Chromium and Node.js into a single runtime, and apps can be packaged for Mac, Windows, and Linux. Both Atom and Electron were open sourced in 2014.
The new version continues the modernization initiative started in 5.0 to improve Promise support, under which callback-based functions in Electron will be converted to return Promises. An extensive list of functions now return promises, while still in this release also supporting callback-based invocation. The list includes functions for content tracing, cookies, webcontents, webframes, and an extensive list of sessions functions.
Another set of changes have been made to enable the hardened runtime. This restricts things like writable-executable memory and loading code signed by a different Team ID. To make the hardened runtime work, special code signing entitlements needed to be granted to the Helper, so Chromium has added three new variants of the Helper app: one for renderers, one for the GPU process, and one for plugins. If you're codesigning your app with custom scripts, you need to make sure that the three new Helper applications are correctly codesigned.
Elsewhere, a new API for handling Chrome extensions has been added, and window handling has been improved for HTML5.
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