# Electron v45.0.0-alpha.3 — electron v45.0.0-alpha.3
- Product: Electron (https://whatsnew.fyi/product/electron)
- Vendor: OpenJS Foundation
- Date: 2026-09-01
- Version: v45.0.0-alpha.3
- Original notes: https://github.com/electron/electron/releases/tag/v45.0.0-alpha.3
- Permalink: https://whatsnew.fyi/product/electron/releases/v45.0.0-alpha.3
- Labels: Pre-release; Platforms: Desktop
What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.
Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.
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- **fixed** — Fixed an intermittent crash at startup on Linux caused by a race between Pango and the main thread initializing fontconfig
- **fixed** — Fixed main process crashes when navigating to http://accessibility/ or http://devtools/, when using the LanguageModel API from a Worker with a local AI handler registered, when an extension background page used navigator.mediaDevices, and when calling SerialPort.forget() for a disconnected device
- **fixed** — Fixed the PDF viewer failing to save an edited PDF with NotAllowedError: Third party iframes are not allowed to show a file picker
Note: This is an alpha release. Please file new issues for any bugs you find in it.
This release is published to npm under the alpha tag and can be installed via `npm install electron@alpha`, or `npm install electron@45.0.0-alpha.3`.
# Release Notes for v45.0.0-alpha.3
##### Fixes
* Fixed an intermittent crash at startup on Linux caused by a race between Pango and the main thread initializing fontconfig. [#53338](https://github.com/electron/electron/pull/53338) (Also in [43](https://github.com/electron/electron/pull/53339), [44](https://github.com/electron/electron/pull/53340))
* Fixed main process crashes when navigating to `http://accessibility/` or `http://devtools/`, when using the `LanguageModel` API from a Worker with a local AI handler registered, when an extension background page used `navigator.mediaDevices`, and when calling `SerialPort.forget()` for a disconnected device. [#53325](https://github.com/electron/electron/pull/53325) (Also in [43](https://github.com/electron/electron/pull/53332), [44](https://github.com/electron/electron/pull/53333))
* Fixed the PDF viewer failing to save an edited PDF with `NotAllowedError: Third party iframes are not allowed to show a file picker`. [#53326](https://github.com/electron/electron/pull/53326) (Also in [43](https://github.com/electron/electron/pull/53327), [44](https://github.com/electron/electron/pull/53328))