Fix the macOS and Windows release builds, and drop Intel Macs

.github/workflows/release.yml

@@ -74,8 +74,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - platform: macos-x86_64
-            runner: macos-15-intel
           - platform: macos-aarch64
             runner: macos-15
           - platform: windows-x86_64

README.md

@@ -9,8 +9,9 @@ into study material, flashcards on a spaced-repetition schedule, and practice. I
 serious learners: university students taking several courses, self-learners, and people
 studying for a certification.
 
-**Status:** pre-release. Release builds target Linux x64/ARM64, macOS Intel/Apple Silicon,
-and Windows x64. Linux AppImages need glibc 2.41 or newer (Debian 13+, Ubuntu 25.04+).
+**Status:** pre-release. Release builds target Linux x64/ARM64, macOS on Apple Silicon and
+Windows x64. Intel Macs are not supported: ONNX Runtime ships no build for them. Linux AppImages
+need glibc 2.39 or newer (Debian 13+, Ubuntu 24.04+).
 
 ![A short tour of Study: Home, an answer citing the lecture recording, a diagram, a flashcard review, a quiz and search](assets/demo.gif)
 
@@ -23,7 +24,7 @@ Download the package for your computer from
 
 - Linux: `study-linux-x86_64.AppImage` or `study-linux-aarch64.AppImage`.
   Make it executable (`chmod +x study-linux-*.AppImage`) and launch it.
-- macOS: `study-macos-x86_64.dmg` or `study-macos-aarch64.dmg`; copy Study to Applications.
+- macOS (Apple Silicon): `study-macos-aarch64.dmg`; copy Study to Applications.
 - Windows: run `study-windows-x86_64.exe`, the installer for your user account.
 
 In Settings, check for updates and choose when to install them. Updates are downloaded from
@@ -259,7 +260,7 @@ files and their licenses.
 
 To release, bump `version` in the workspace `Cargo.toml`, commit, then push a matching tag:
 `git tag v0.2.0 && git push origin v0.2.0`. The workflow refuses a tag that does not match the
-workspace version, builds all five signed packages, and publishes the release only when every
+workspace version, builds all four signed packages, and publishes the release only when every
 one exists, with package signatures, `SHA256SUMS` and the `latest.json` update feed. A failed
 build can be rerun from Actions.
 

crates/study-ai/Cargo.toml

@@ -33,7 +33,9 @@ study-media.workspace = true
 sysinfo = { version = "0.39", default-features = false, features = ["system"] }
 tempfile = "3"
 thiserror = "2"
-tokenizers = "0.23"
+# Without the default esaxx_fast: its C++ links the static CRT, which collides with the
+# dynamic one on Windows, and only speeds up training, which this crate never does.
+tokenizers = { version = "0.23", default-features = false, features = ["onig"] }
 tokio = { workspace = true, features = ["rt-multi-thread", "time", "fs", "io-util", "process"] }
 tracing.workspace = true
 transcribe-rs = { version = "0.3.11", features = ["onnx"] }

packaging/release.sh

@@ -9,14 +9,13 @@
 set -euo pipefail
 cd "$(dirname "$0")/.."
 
-PLATFORMS=(linux-x86_64 linux-aarch64 macos-x86_64 macos-aarch64 windows-x86_64)
+PLATFORMS=(linux-x86_64 linux-aarch64 macos-aarch64 windows-x86_64)
 
 # Sets target, format and suffix (the updater's package) for a platform.
 platform() {
     case "$1" in
         linux-x86_64) target=x86_64-unknown-linux-gnu format=appimage suffix=.AppImage ;;
         linux-aarch64) target=aarch64-unknown-linux-gnu format=appimage suffix=.AppImage ;;
-        macos-x86_64) target=x86_64-apple-darwin format=app suffix=.app.tar.gz ;;
         macos-aarch64) target=aarch64-apple-darwin format=app suffix=.app.tar.gz ;;
         windows-x86_64) target=x86_64-pc-windows-msvc format=nsis suffix=.exe ;;
         *) echo "unknown platform: $1 (one of ${PLATFORMS[*]})" >&2; exit 1 ;;