Lukas Wirth 1344a8a846 gpui: Gate blocking executor APIs on WebAssembly (#63484)
GPUI's scheduler exposed synchronous blocking APIs on WebAssembly even
though the platform implementation could only panic. This became an
implicit crash when cancellation dropped a scoped background operation:
preserving the borrowed task lifetime called `Scheduler::block`, which
panicked with `Cannot block on wasm`.

This change removes blocking scheduler and executor APIs from
WebAssembly builds, including borrowed background scopes and the
separate `pollster::block_on` export. Native behavior remains unchanged.
Application shutdown now runs WebAssembly quit handlers asynchronously
as best-effort cleanup rather than blocking the browser event-loop
thread.


Release Notes:

- Fixed a GPUI Web crash caused by synchronous executor blocking.
2026-08-31 13:35:07 +00:00
2026-08-31 11:00:40 +00:00
2026-08-12 08:35:43 +00:00
2026-08-31 11:00:40 +00:00
2026-01-22 23:57:26 +05:30
2026-08-28 20:04:24 +00:00
2026-08-28 17:22:25 +00:00
WIP
2023-12-14 09:25:14 -07:00
2026-08-09 22:29:52 +00:00
2026-08-09 22:29:52 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


Installation

On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).

Other platforms are not yet available:

Developing Zed

Contributing

See CONTRIBUTING.md for ways you can contribute to Zed.

Also... we're hiring! Check out our jobs page for open roles.

Licensing

Zed source code is licensed primarily under GPL-3.0-or-later, with Apache-2.0 components where marked.

License information for third party dependencies must be correctly provided for CI to pass.

We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:

  • Is it showing a no license specified error for a crate you've created? If so, add publish = false under [package] in your crate's Cargo.toml.
  • Is the error failed to satisfy license requirements for a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to the accepted array in script/licenses/zed-licenses.toml.
  • Is cargo-about unable to find the license for a dependency? If so, add a clarification field at the end of script/licenses/zed-licenses.toml, as specified in the cargo-about book.

Sponsorship

Zed is developed by Zed Industries, Inc., a for-profit company.

If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.

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