diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bbd8acf..856bdbe 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -388,9 +388,84 @@ jobs:
           path: dist/release/*
           if-no-files-found: error
 
+  linux-riscv64:
+    name: Linux riscv64
+    needs: version
+    # Cross-compiled on x86_64 (no hosted RISC-V runners) against the runner's own Ubuntu release
+    # from ports.ubuntu.com, so the binaries need that release's glibc (24.04: 2.39). 22.04's
+    # riscv64 ports lag its amd64 updates, which breaks the multiarch install. tar.gz only; the
+    # CLI is smoke-tested under QEMU.
+    runs-on: ubuntu-24.04
+    # No `environment: release`: this job signs nothing, so it gets no release secrets.
+    env:
+      DESIGNCRAFT_VERSION: ${{ needs.version.outputs.version }}
+      DESIGNCRAFT_BUILD_DATE: ${{ needs.version.outputs.date }}
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      # Optional font input (docs: storytold/craft-fonts docs/integration.md); releases always embed it.
+      - name: Check out craft-fonts
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          repository: storytold/craft-fonts
+          ref: abb83316d96aa59c1cf64784289e378fe9fa5695
+          path: craft-fonts
+      - uses: dtolnay/rust-toolchain@686976e191b89faba57d3206551f0f330d8cb249 # stable
+        with:
+          targets: riscv64gc-unknown-linux-gnu
+      - uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
+        with:
+          key: release-linux-riscv64
+      - name: Apply version override
+        if: inputs.version != ''
+        run: cargo xtask version set "$DESIGNCRAFT_VERSION"
+      - name: Install cross-compilation dependencies
+        run: |
+          . /etc/os-release
+          sudo dpkg --add-architecture riscv64
+          # Pin the existing (archive.ubuntu.com) sources to amd64; riscv64 comes from ports.
+          if [ -f /etc/apt/sources.list.d/ubuntu.sources ]; then
+            sudo sed -i '/^Types: deb/a Architectures: amd64' /etc/apt/sources.list.d/ubuntu.sources
+          fi
+          if [ -f /etc/apt/sources.list ]; then
+            sudo sed -i 's/^deb /deb [arch=amd64] /g' /etc/apt/sources.list
+            sudo sed -i 's/^deb-src /deb-src [arch=amd64] /g' /etc/apt/sources.list
+          fi
+          for suite in "$VERSION_CODENAME" "$VERSION_CODENAME-updates" "$VERSION_CODENAME-security"; do
+            echo "deb [arch=riscv64] http://ports.ubuntu.com/ubuntu-ports $suite main universe restricted multiverse"
+          done | sudo tee /etc/apt/sources.list.d/riscv64.list
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            gcc-riscv64-linux-gnu binutils-riscv64-linux-gnu libc6-dev-riscv64-cross libc6-dev:riscv64 qemu-user \
+            libxkbcommon-dev:riscv64 libwayland-dev:riscv64 libx11-dev:riscv64 libxrandr-dev:riscv64 \
+            libxi-dev:riscv64 libgl1-mesa-dev:riscv64 desktop-file-utils appstream
+      - name: Build and package (tar.gz)
+        env:
+          CRAFT_FONTS_DIR: ${{ github.workspace }}/craft-fonts
+          CRAFT_FONTS_REQUIRED: "1"
+          CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_LINKER: riscv64-linux-gnu-gcc
+          PKG_CONFIG_SYSROOT_DIR: /
+          PKG_CONFIG_PATH: /usr/lib/riscv64-linux-gnu/pkgconfig:/usr/share/pkgconfig
+          PKG_CONFIG_ALLOW_CROSS: "1"
+          CROSS_ARCH: riscv64
+          CROSS_TARGET: riscv64gc-unknown-linux-gnu
+          CROSS_COMPILE: riscv64-linux-gnu-
+          EMULATOR: qemu-riscv64
+          QEMU_LD_PREFIX: /usr/riscv64-linux-gnu
+        run: packaging/linux/package.sh --formats tar
+      - name: Check the package
+        run: |
+          tar -tzf dist/release/designcraft-*-linux-riscv64.tar.gz \
+            | grep -E '/bin/designcraft$|/bin/designcraft-cli$|/share/applications/ai\.storyteller\.designcraft\.desktop$'
+          file target/riscv64gc-unknown-linux-gnu/release/designcraft | grep -F 'RISC-V'
+      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        with:
+          name: release-linux-riscv64
+          path: dist/release/*.tar.gz
+          if-no-files-found: error
+
   release:
     name: Draft GitHub Release
-    needs: [version, macos, windows, linux, flatpak, freebsd, web]
+    needs: [version, macos, windows, linux, linux-riscv64, flatpak, freebsd, web]
     runs-on: ubuntu-latest
     environment: release
     permissions:
diff --git a/Cargo.lock b/Cargo.lock
index 9473c97..484bfa1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -870,7 +870,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-engine",
  "designcraft-ui-egui",
@@ -887,7 +887,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-cli"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -903,7 +903,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-color"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "kurbo",
  "moxcms",
@@ -915,7 +915,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-compose"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-doc",
@@ -932,7 +932,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-doc"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-geom",
@@ -944,7 +944,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-engine"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "caseless",
  "designcraft-color",
@@ -977,7 +977,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-epub"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-doc",
@@ -986,7 +986,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-fonts"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "harfrust 0.13.3",
  "kurbo",
@@ -998,7 +998,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-format"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-doc",
  "serde",
@@ -1009,7 +1009,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-geom"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "flo_curves",
  "kurbo",
@@ -1022,7 +1022,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-idml"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -1035,7 +1035,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-images"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-fonts",
@@ -1046,7 +1046,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-mcp"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-engine",
  "designcraft-geom",
@@ -1059,7 +1059,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-pdf"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -1081,7 +1081,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-render"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -1099,7 +1099,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-textimport"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-doc",
  "quick-xml 0.38.4",
@@ -1108,7 +1108,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-tools"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -1120,7 +1120,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-ui-egui"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-color",
  "designcraft-compose",
@@ -1145,7 +1145,7 @@ dependencies = [
 
 [[package]]
 name = "designcraft-web"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "designcraft-engine",
  "designcraft-format",
@@ -5665,7 +5665,7 @@ checksum = "9440ea3e5aeabb0ac63af70daf835274065238cdd0cec83418f417eae38bacee"
 
 [[package]]
 name = "xtask"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "serde_json",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index d69017d..e08d33a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = ["crates/*", "apps/*", "xtask"]
 default-members = ["crates/*", "apps/designcraft", "apps/designcraft-cli", "xtask"]
 
 [workspace.package]
-version = "0.5.0"
+version = "0.6.0"
 edition = "2024"
 license = "MIT OR Apache-2.0"
 rust-version = "1.90"
diff --git a/README.md b/README.md
index 7bff631..688e44d 100644
--- a/README.md
+++ b/README.md
@@ -221,6 +221,8 @@ Installers and executables are code-signed.
 | Fedora/RHEL/openSUSE | `designcraft-<ver>-linux-x86_64.rpm` | `designcraft-<ver>-linux-aarch64.rpm` | |
 | Tarball | `designcraft-<ver>-linux-x86_64.tar.gz` | `designcraft-<ver>-linux-aarch64.tar.gz` | Unpack anywhere |
 
+RISC-V (riscv64): `designcraft-<ver>-linux-riscv64.tar.gz` only, cross-compiled; needs glibc 2.39+ (Ubuntu 24.04 or newer).
+
 ### FreeBSD
 
 | Build | File |
diff --git a/ROADMAP.md b/ROADMAP.md
index 277e982..0d1c1ef 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -129,6 +129,8 @@ list) · [roadmap.md](docs/roadmap.md) (milestones, plan) · [parity-checklist.m
 
 Newest first.
 
+- **2026-10-10** · Version 0.6.0; releases add a Linux riscv64 tar.gz (cross-compiled, CLI
+  smoke-tested under QEMU).
 - **2026-10-10** · Readiness per audience: full ~47% (method aligned with the standard, was
   42%), mainstream practitioner ~42%, essentials user ~54%, each with hours to ~95%.
 - **2026-10-10** · Stage re-normalized to **pre-alpha** under craftrules' core-workflow gate: text
diff --git a/docs/hardware-parity.md b/docs/hardware-parity.md
index 6dc727e..1b75d1d 100644
--- a/docs/hardware-parity.md
+++ b/docs/hardware-parity.md
@@ -31,7 +31,7 @@ graphics driver loses the user entirely. Overall numbers: [target-app-parity.md]
 | macOS (Apple silicon, Intel) | ✓ | ✓ primary development platform | Intel GPU start failure (#334); window controls misaligned (#333); font managers (#327) |
 | Windows x64 | ✓ | ~ builds and installers ship | copy/paste and context menus (#351, #312), installer confusion (#64), launch failures (#273, #167) |
 | Windows ARM64 | ✓ | ~ build (CI workflow) | not exercised at runtime |
-| Linux (x86_64, aarch64) | ✗ | ~ deb, AppImage, Flatpak | clipboard (#164), panels don't scroll (#267), CJK UI font (#332) |
+| Linux (x86_64, aarch64; riscv64 tar.gz) | ✗ | ~ deb, AppImage, Flatpak | clipboard (#164), panels don't scroll (#267), CJK UI font (#332) |
 | FreeBSD | ✗ | ~ build | |
 | Web (WASM) | ✗ (InDesign on the web is not shipped) | ~ same UI, file picker, downloads; no control channel | |
 
diff --git a/packaging/linux/package.sh b/packaging/linux/package.sh
index c547509..fd7fc4e 100755
--- a/packaging/linux/package.sh
+++ b/packaging/linux/package.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Build and package DesignCraft for Linux (<arch> is x86_64 or aarch64):
+# Build and package DesignCraft for Linux (<arch> is x86_64 or aarch64, or riscv64 when cross-compiling):
 #
 #   $DIST/designcraft-<version>-linux-<arch>.AppImage  any distro with glibc >= the build host's
 #   $DIST/designcraft-<version>-linux-<arch>.AppImage.zsync  delta updates (needs zsyncmake)
@@ -30,8 +30,9 @@ while [ $# -gt 0 ]; do
   esac
 done
 
-ARCH="$(uname -m)"
+ARCH="${CROSS_ARCH:-$(uname -m)}"
 case "$ARCH" in
+  riscv64) DEB_ARCH=riscv64 ;;
   x86_64) DEB_ARCH=amd64 ;;
   aarch64 | arm64) ARCH=aarch64; DEB_ARCH=arm64 ;;
   *) echo "unsupported architecture $ARCH" >&2; exit 2 ;;
@@ -42,9 +43,13 @@ BASENAME="designcraft-$VERSION-linux-$ARCH"
 echo "==> DesignCraft $VERSION for Linux $ARCH ($FORMATS)"
 
 if [ "$SKIP_BUILD" = 0 ]; then
-  (cd "$ROOT" && cargo build --release --locked -p designcraft -p designcraft-cli)
+  if [ -n "${CROSS_TARGET:-}" ]; then
+    (cd "$ROOT" && cargo build --release --locked -p designcraft -p designcraft-cli --target "$CROSS_TARGET")
+  else
+    (cd "$ROOT" && cargo build --release --locked -p designcraft -p designcraft-cli)
+  fi
 fi
-BIN="$CARGO_TARGET_DIR/release"
+BIN="$CARGO_TARGET_DIR/${CROSS_TARGET:+$CROSS_TARGET/}release"
 WORK="$CARGO_TARGET_DIR/linux-package"
 STAGE="$WORK/root"
 rm -rf "$WORK"
@@ -52,7 +57,7 @@ rm -rf "$WORK"
 # ---- stage an FHS tree (shared by every format) -------------------------------------------------
 install -Dm755 "$BIN/designcraft" "$STAGE/usr/bin/designcraft"
 install -Dm755 "$BIN/designcraft-cli" "$STAGE/usr/bin/designcraft-cli"
-strip "$STAGE/usr/bin/designcraft" "$STAGE/usr/bin/designcraft-cli" 2>/dev/null || true
+"${CROSS_COMPILE:-}strip" "$STAGE/usr/bin/designcraft" "$STAGE/usr/bin/designcraft-cli" 2>/dev/null || true
 install -Dm644 "$HERE/$APP_ID.desktop" "$STAGE/usr/share/applications/$APP_ID.desktop"
 install -Dm644 "$HERE/$APP_ID.mime.xml" "$STAGE/usr/share/mime/packages/$APP_ID.xml"
 mkdir -p "$STAGE/usr/share/metainfo"
@@ -145,6 +150,10 @@ if has appimage; then
   fi
 fi
 
-"$STAGE/usr/bin/designcraft-cli" --version
+if [ -z "${CROSS_TARGET:-}" ]; then
+  "$STAGE/usr/bin/designcraft-cli" --version
+elif [ -n "${EMULATOR:-}" ]; then
+  "$EMULATOR" "$STAGE/usr/bin/designcraft-cli" --version
+fi
 echo "==> done"
 ls -lh "$DIST"