Bump version to 0.3.0

Removes deprecated `maybe_const_fn!` function
and the corresponding dependency.
This is a breaking change,
so cannot be part of the 0.2.0 series.

Author: Techcable

CHANGELOG.md

@@ -11,6 +11,12 @@ A title is required for publishing a github release, so all versions should have
 
 ## Unreleased
 
+## 0.3.0 - 2026-07-24
+Remove deprecated `maybe_const_fn!` macro.
+
+I will publish final version in the 0.2.x series which forwards to version 0.3.
+This will ensure that the cached results are shared across both crate versions.
+
 ### Removed
 - *BREAKING*: Remove deprecated `maybe_const_fn!` macro.
   - Remove `compat-maybe-const-fn` feature, which is now unnecessary.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustversion-detect"
-version = "0.2.2"
+version = "0.3.0"
 authors = ["David Tolnay <dtolnay@gmail.com>", "Techcable"]
 categories = ["development-tools::build-utils"]
 keywords = ["autocfg", "cfg", "nightly", "rustc", "version"]

README.md

@@ -24,7 +24,7 @@ reducing compile times compared to using the [`rustversion`] macros in a build s
 Add the following to your build script:
 ```toml
 [build-dependencies]
-rustversion-detect = "0.2"
+rustversion-detect = "0.3"
 ```
 
 ## Examples

src/lib.rs

@@ -21,7 +21,7 @@
 //! Add the following to your build script:
 //! ```toml
 //! [build-dependencies]
-//! rustversion-detect = "0.2"
+//! rustversion-detect = "0.3"
 //! ```
 //!
 //! # Examples