DO NOT MERGE: prepare for default_field_values from Nightly

Author: ErichDonGubler

.github/workflows/changelog.yml

@@ -19,7 +19,7 @@ env:
   #
 
   # This is the MSRV used by all repository infrastructure.
-  REPO_MSRV: "1.93"
+  REPO_MSRV: "nightly-2026-03-11"
 
   #
   # Environment variables

.github/workflows/ci.yml

@@ -19,12 +19,12 @@ env:
   #
 
   # This is the MSRV used by all repository infrastructure.
-  REPO_MSRV: "1.93"
+  REPO_MSRV: "nightly-2026-03-11"
   # This is the MSRV used by `wgpu` itself.
-  WGPU_MSRV: "1.87"
+  WGPU_MSRV: "nightly-2026-03-11"
   # This is the MSRV used by the `wgpu-core`, `wgpu-hal`, and `wgpu-types` crates,
   # to ensure that they can be used with firefox.
-  CORE_MSRV: "1.87"
+  CORE_MSRV: "nightly-2026-03-11"
 
   #
   # Environment variables

.github/workflows/cts.yml

@@ -14,7 +14,7 @@ on:
   merge_group:
 
 env:
-  REPO_MSRV: "1.93"
+  REPO_MSRV: "nightly-2026-03-11"
   CARGO_INCREMENTAL: false
   CARGO_TERM_COLOR: always
   DENO_WEBGPU_DX12_COMPILER: dynamicdxc

.github/workflows/docs.yml

@@ -15,7 +15,7 @@ on:
 
 env:
   # This is the MSRV used by all repository infrastructure.
-  REPO_MSRV: "1.93"
+  REPO_MSRV: "nightly-2026-03-11"
 
   CARGO_INCREMENTAL: false
   CARGO_TERM_COLOR: always

.github/workflows/generate.yml

@@ -19,7 +19,7 @@ env:
   #
 
   # This is the MSRV used by `wgpu` itself.
-  WGPU_MSRV: "1.87"
+  WGPU_MSRV: "nightly-2026-03-11"
   RUSTFLAGS: -D warnings
 
 # Every time a PR is pushed to, cancel any previous jobs. This

Cargo.lock

@@ -319,6 +319,8 @@ wgpu = { path = "./wgpu" }
 # https://github.com/Xudong-Huang/generator-rs/pull/75
 generator = { git = "https://github.com/Xudong-Huang/generator-rs", rev = "70b89fdabcc0e82fe84ca17f65cc52ff25e8e6de" }
 
+syn = { git = "https://github.com/erichdongubler-contrib/syn", rev = "146280b69756a0a8882d21ed061752214da94049" }
+
 [profile.release]
 lto = "thin"
 debug = true

Cargo.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.93"
+channel = "nightly-2026-03-11"
 components = ["cargo", "rustfmt", "clippy"]
 targets = ["wasm32-unknown-unknown"]

rust-toolchain.toml

@@ -1,3 +1,5 @@
+#![feature(default_field_values)]
+
 //! This library safely implements WebGPU on native platforms.
 //! It is designed for integration into browsers, as well as wrapping
 //! into other language-specific user-friendly libraries.

wgpu-core/src/lib.rs

@@ -1,6 +1,7 @@
 //! This library describes the API surface of WebGPU that is agnostic of the backend.
 //! This API is used for targeting both Web and Native.
 
+#![feature(default_field_values)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![allow(
     // We don't use syntax sugar where it's not necessary.