tauri-apps/tauri tauri-runtime-cef-v3.0.0-alpha.2 on GitHub

Cargo Audit

Fetching advisory database from `https://github.com/RustSec/advisory-db.git`
      Loaded 1258 security advisories (from /home/runner/.cargo/advisory-db)
    Updating crates.io index
    Scanning Cargo.lock for vulnerabilities (1226 crate dependencies)
Crate:     fxhash
Version:   0.2.1
Warning:   unmaintained
Title:     fxhash - no longer maintained
Date:      2025-09-05
ID:        RUSTSEC-2025-0057
URL:       https://rustsec.org/advisories/RUSTSEC-2025-0057

Crate:     paste
Version:   1.0.15
Warning:   unmaintained
Title:     paste - no longer maintained
Date:      2024-10-07
ID:        RUSTSEC-2024-0436
URL:       https://rustsec.org/advisories/RUSTSEC-2024-0436

Crate:     rustls-pemfile
Version:   2.2.0
Warning:   unmaintained
Title:     rustls-pemfile is unmaintained
Date:      2025-11-28
ID:        RUSTSEC-2025-0134
URL:       https://rustsec.org/advisories/RUSTSEC-2025-0134

Crate:     rustybuzz
Version:   0.20.1
Warning:   unmaintained
Title:     `rustybuzz` is unmaintained
Date:      2026-07-11
ID:        RUSTSEC-2026-0206
URL:       https://rustsec.org/advisories/RUSTSEC-2026-0206

Crate:     ttf-parser
Version:   0.25.1
Warning:   unmaintained
Title:     `ttf-parser` is unmaintained
Date:      2026-06-28
ID:        RUSTSEC-2026-0192
URL:       https://rustsec.org/advisories/RUSTSEC-2026-0192

warning: 5 allowed warnings found

[3.0.0-alpha.2]

New Features

e2af2c298 Added Cef::downgrade and DowngradePolicy, for an application whose release is rolled back to an older CEF. The runtime now records the Chromium version in the root cache path (Last Version, the breadcrumb Chrome's own downgrade manager keeps and CEF does not write) and, when a newer Chromium milestone last used the profile, either keeps it and logs a warning (DowngradePolicy::KeepProfile, the default and what Chrome does) or moves it aside so Chromium starts on an empty profile and deletes the old one in the background (DowngradePolicy::ResetProfile). A downgrade within a milestone, and a profile another running instance of the application holds, are left alone.
9c3bb4d28 data_store_identifier is now supported on the CEF runtime: the identifier names a profile directory under the runtime's cache path, giving the same isolation data_directory does (data_directory wins when both are set). The runtime also logs a warning when a webview sets an attribute it cannot honour — transparent, accept_first_mouse, browser_extensions_enabled / extensions_path, a background_throttling policy or an overlay scroll_bar_style — naming the runtime-wide Cef API that does the same thing where one exists. The attributes' documentation on tauri and tauri-utils now describes each one's CEF behaviour.

Enhancements

8d0e40b45 Log a warning when a webview sets additional_browser_args, which the CEF runtime does not support: Chromium's command line is per process, so switches go through Cef::command_line_arg instead. The attribute's documentation on tauri, tauri-runtime and tauri-utils now says so.
e2af2c298 The build script now passes the CEF binary distribution cef-dll-sys resolved on to the build scripts of dependents, as DEP_TAURI_RUNTIME_CEF_CEF_DIR.

Bug Fixes

e2af2c298 webview_version now reports Chromium's version as MAJOR.MINOR.BUILD.PATCH; the last two components were swapped.

Dependencies

Upgraded to tauri-utils@3.0.0-alpha.1
Upgraded to tauri-runtime@3.0.0-alpha.1
Upgraded to tauri-macros@3.0.0-alpha.1
Upgraded to tauri@3.0.0-alpha.2
dfa2f0a5c Bump the windows crate to 0.62 to match tauri-runtime, fixing the Windows build (HWND type mismatch in the WindowBuilder::owner/parent implementations).

Breaking Changes

4e03a1bb2 (#16043) tauri_runtime::Error::CreateWindow now carries the underlying error (CreateWindow(Box<dyn std::error::Error + Send + Sync>)), like CreateWebview.

Cargo Publish

Updating crates.io index
   Packaging tauri-runtime-cef v3.0.0-alpha.2 (/home/runner/work/tauri/tauri/crates/tauri-runtime-cef)
    Updating crates.io index
    Packaged 71 files, 841.5KiB (220.9KiB compressed)
   Verifying tauri-runtime-cef v3.0.0-alpha.2 (/home/runner/work/tauri/tauri/crates/tauri-runtime-cef)
 Downloading crates ...
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  Downloaded phf_codegen v0.8.0
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  Downloaded gdk4-wayland-sys v0.11.0
   Compiling serde_core v1.0.229
   Compiling winnow v1.0.4
   Compiling toml_datetime v1.1.1+spec-1.1.0
   Compiling target-lexicon v0.13.5
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   Compiling tauri-runtime-cef v3.0.0-alpha.2 (/home/runner/work/tauri/tauri/target/package/tauri-runtime-cef-3.0.0-alpha.2)
   Compiling dirs v6.0.0
   Compiling dioxus-debug-cell v0.1.1
   Compiling cef v152.3.0+152.0.6
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 07s
   Uploading tauri-runtime-cef v3.0.0-alpha.2 (/home/runner/work/tauri/tauri/crates/tauri-runtime-cef)
    Uploaded tauri-runtime-cef v3.0.0-alpha.2 to registry `crates-io`
note: waiting for tauri-runtime-cef v3.0.0-alpha.2 to be available at registry `crates-io`
help: you may press ctrl-c to skip waiting; the crate should be available shortly
   Published tauri-runtime-cef v3.0.0-alpha.2 at registry `crates-io`

tauri-apps/tauri tauri-runtime-cef-v3.0.0-alpha.2 tauri-runtime-cef v3.0.0-alpha.2 on GitHub

Cargo Audit

[3.0.0-alpha.2]

New Features

Enhancements

Bug Fixes

Dependencies

Breaking Changes

Cargo Publish

tauri-apps/tauri tauri-runtime-cef-v3.0.0-alpha.2
tauri-runtime-cef v3.0.0-alpha.2

on GitHub