From 75b113ac5be20cfd6bfa96d69d93d6f7708d7649 Mon Sep 17 00:00:00 2001
From: MarekSpodBiedry <73122968+MarekSpodBiedry@users.noreply.github.com>
Date: Mon, 12 Oct 2026 00:30:25 +0200
Subject: [PATCH] Raise workspace rust-version to 1.95 to match the UI crate
 (#1169) (#1188)

---
 Cargo.toml           |  2 +-
 README.md            |  2 ++
 docs/architecture.md |  2 +-
 docs/development.md  |  4 ++--
 xtask/src/version.rs | 14 ++++++++++++++
 5 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 70a65b6b..ddea910f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ default-members = ["crates/*", "apps/pdfcraft", "apps/pdfcraft-cli", "xtask"]
 version = "0.6.0"
 edition = "2024"
 license = "MIT OR Apache-2.0"
-rust-version = "1.90"
+rust-version = "1.95"
 repository = "https://github.com/storytold/pdfcraft"
 
 [workspace.dependencies]
diff --git a/README.md b/README.md
index a0e985b1..4f5792db 100644
--- a/README.md
+++ b/README.md
@@ -369,6 +369,8 @@ PdfCraft is a clean-room implementation. Its behaviour comes from the ISO 32000
 
 ## Get started
 
+Building needs Rust 1.95 or later.
+
 ```sh
 git clone https://github.com/storytold/pdfcraft
 cd pdfcraft
diff --git a/docs/architecture.md b/docs/architecture.md
index eb56cdb3..013633b7 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -8,7 +8,7 @@ crate's `README.md` has the detail.
 
 ## Shape
 
-One Cargo workspace (`Cargo.toml`, edition 2024, Rust ≥ 1.90, `MIT OR Apache-2.0`), 31 library
+One Cargo workspace (`Cargo.toml`, edition 2024, Rust ≥ 1.95, `MIT OR Apache-2.0`), 31 library
 crates in `crates/`, three binaries in `apps/`, build tooling in `xtask/`, and patched third-party
 crates in `vendor/`. About 152k lines of Rust and 1,765 tests (2026-10-10). Rust only: no
 handwritten JS/TS, in the product or the build.
diff --git a/docs/development.md b/docs/development.md
index 53531189..634c4bb2 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -22,8 +22,8 @@ Cargo stores custom-profile artifacts separately under `target/low-disk`. Switch
 normal and low-disk profiles can therefore leave both sets of artifacts on disk. To remove only
 the low-disk artifacts, run `cargo clean --profile low-disk`.
 
-The UI crate and complete desktop/web builds require Rust 1.95 or later, matching the pinned
-`craft-ui` dependency. The workspace's core-crate minimum is unchanged.
+Building PdfCraft requires Rust 1.95 or later: the UI crate and its `egui` and `craft-ui`
+dependencies need it, and the workspace `rust-version` states the same minimum.
 
 ## Interface appearance
 
diff --git a/xtask/src/version.rs b/xtask/src/version.rs
index e11c99d7..06736531 100644
--- a/xtask/src/version.rs
+++ b/xtask/src/version.rs
@@ -154,4 +154,18 @@ mod tests {
         let text = std::fs::read_to_string(crate::gates::root().join("Cargo.toml")).unwrap();
         validate(&read(&text).unwrap()).unwrap();
     }
+
+    /// The `rust-version = "1.NN"` line of a manifest, as the minor number.
+    fn minor_of_rust_version(manifest: &str) -> u32 {
+        let line = manifest.lines().find(|l| l.starts_with("rust-version = \"")).unwrap();
+        line.split('"').nth(1).unwrap().split('.').nth(1).unwrap().parse().unwrap()
+    }
+
+    #[test]
+    fn workspace_rust_version_covers_the_ui_crate() {
+        let root = crate::gates::root();
+        let workspace = std::fs::read_to_string(root.join("Cargo.toml")).unwrap();
+        let ui = std::fs::read_to_string(root.join("crates/ui-egui/Cargo.toml")).unwrap();
+        assert!(minor_of_rust_version(&workspace) >= minor_of_rust_version(&ui));
+    }
 }