Merge 9a72ab514c into 3890e12c9e

.1 release skipped due to missing bugfix

.version

@@ -1 +1 @@
-25.08b5
+25.09.2

.yarnrc.yml

@@ -1 +1,2 @@
 nodeLinker: node-modules
+enableScripts: false

CONTRIBUTORS

@@ -49,6 +49,7 @@ Sander Santema <github.com/sandersantema/>
 Thomas Brownback <https://github.com/brownbat/>
 Andrew Gaul <andrew@gaul.org>
 kenden
+Emil Hamrin <github.com/e-hamrin>
 Nickolay Yudin <kelciour@gmail.com>
 neitrinoweb <github.com/neitrinoweb/>
 Andreas Reis <github.com/nwwt>
@@ -240,6 +241,7 @@ Thomas Rixen <thomas.rixen@student.uclouvain.be>
 Siyuan Mattuwu Yan <syan4@ualberta.ca>
 Lee Doughty <32392044+leedoughty@users.noreply.github.com>
 memchr <memchr@proton.me>
+Max Romanowski <maxr777@proton.me>
 Aldlss <ayaldlss@gmail.com>
 Elias Johansson Lara <elias.johanssonlara@gmail.com>
 

build/runner/src/yarn.rs

@@ -28,7 +28,11 @@ pub fn setup_yarn(args: YarnArgs) {
                 .arg("--ignore-scripts"),
         );
     } else {
-        run_command(Command::new(&args.yarn_bin).arg("install"));
+        run_command(
+            Command::new(&args.yarn_bin)
+                .arg("install")
+                .arg("--immutable"),
+        );
     }
 
     std::fs::write(args.stamp, b"").unwrap();

docs/docker/Dockerfile

@@ -1,35 +1,78 @@
-# This Dockerfile uses three stages.
+# This is a user-contributed Dockerfile. No official support is available.
-#   1. Compile anki (and dependencies) and build python wheels.
-#   2. Create a virtual environment containing anki and its dependencies.
-#   3. Create a final image that only includes anki's virtual environment and required
-#      system packages.
 
-ARG PYTHON_VERSION="3.9"
 ARG DEBIAN_FRONTEND="noninteractive"
 
-# Build anki.
+FROM ubuntu:24.04 AS build
-FROM python:$PYTHON_VERSION AS build
-RUN curl -fsSL https://github.com/bazelbuild/bazelisk/releases/download/v1.7.4/bazelisk-linux-amd64 \
-    > /usr/local/bin/bazel \
-    && chmod +x /usr/local/bin/bazel \
-    # Bazel expects /usr/bin/python
-    && ln -s /usr/local/bin/python /usr/bin/python
 WORKDIR /opt/anki
-COPY . .
+ENV PYTHON_VERSION="3.13"
-# Build python wheels.
+
+
+# System deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    git \
+    build-essential \
+    pkg-config \
+    libssl-dev \
+    libbz2-dev \
+    libreadline-dev \
+    libsqlite3-dev \
+    libffi-dev \
+    zlib1g-dev \
+    liblzma-dev \
+    ca-certificates \
+    ninja-build \
+    rsync \
+    libglib2.0-0 \
+    libgl1 \
+    libx11-6 \
+    libxext6 \
+    libxrender1 \
+    libxkbcommon0 \
+    libxkbcommon-x11-0 \
+    libxcb1 \
+    libxcb-render0 \
+    libxcb-shm0 \
+    libxcb-icccm4 \
+    libxcb-image0 \
+    libxcb-keysyms1 \
+    libxcb-randr0 \
+    libxcb-shape0 \
+    libxcb-xfixes0 \
+    libxcb-xinerama0 \
+    libxcb-xinput0 \
+    libsm6 \
+    libice6 \
+    && rm -rf /var/lib/apt/lists/*
+
+# install rust with rustup
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+# Install uv and Python 3.13 with uv
+RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
+    && ln -s /root/.local/bin/uv /usr/local/bin/uv
+ENV PATH="/root/.local/bin:${PATH}"
+
+RUN uv python install ${PYTHON_VERSION} --default
+
+COPY . . 
+
 RUN ./tools/build
 
+
 # Install pre-compiled Anki.
-FROM python:${PYTHON_VERSION}-slim as installer
+FROM python:3.13-slim AS installer
 WORKDIR /opt/anki/
-COPY --from=build /opt/anki/wheels/ wheels/
+COPY --from=build /opt/anki/out/wheels/ wheels/
 # Use virtual environment.
 RUN python -m venv venv \
     && ./venv/bin/python -m pip install --no-cache-dir setuptools wheel \
     && ./venv/bin/python -m pip install --no-cache-dir /opt/anki/wheels/*.whl
 
+
 # We use another build stage here so we don't include the wheels in the final image.
-FROM python:${PYTHON_VERSION}-slim as final
+FROM python:3.13-slim AS final
 COPY --from=installer /opt/anki/venv /opt/anki/venv
 ENV PATH=/opt/anki/venv/bin:$PATH
 # Install run-time dependencies.
@@ -59,9 +102,9 @@ RUN apt-get update \
     libxrender1 \
     libxtst6 \
     && rm -rf /var/lib/apt/lists/*
+
 # Add non-root user.
 RUN useradd --create-home anki
 USER anki
 WORKDIR /work
-ENTRYPOINT ["/opt/anki/venv/bin/anki"]
+ENTRYPOINT ["/opt/anki/venv/bin/anki"]
-LABEL maintainer="Jakub Kaczmarzyk <jakub.kaczmarzyk@gmail.com>"

ftl/core-repo

@@ -1 +1 @@
-Subproject commit 5897ef3a4589c123b7fa4c7fbd67f84d0b7ee13e
+Subproject commit 480ef0da728c7ea3485c58529ae7ee02be3e5dba

ftl/core/adding.ftl

@@ -1,10 +1,5 @@
 adding-add-shortcut-ctrlandenter = Add (shortcut: ctrl+enter)
 adding-added = Added
-adding-added-cards =
-    Added { $count ->
-        [one] { $count } card
-       *[other] { $count } cards
-    }
 adding-discard-current-input = Discard current input?
 adding-keep-editing = Keep Editing
 adding-edit = Edit "{ $val }"

ftl/core/deck-config.ftl

@@ -498,6 +498,7 @@ deck-config-desired-retention-below-optimal = Your desired retention is below op
 # cards that can be recalled or retrieved on a specific date.
 deck-config-fsrs-simulator-experimental = FSRS Simulator (Experimental)
 deck-config-fsrs-simulate-desired-retention-experimental = FSRS Desired Retention Simulator (Experimental)
+deck-config-fsrs-simulate-save-preset = After optimizing, please save your deck preset before running the simulator.
 deck-config-fsrs-desired-retention-help-me-decide-experimental = Help Me Decide (Experimental)
 deck-config-additional-new-cards-to-simulate = Additional new cards to simulate
 deck-config-simulate = Simulate

ftl/core/studying.ftl

@@ -46,6 +46,20 @@ studying-type-answer-unknown-field = Type answer: unknown field { $val }
 studying-unbury = Unbury
 studying-what-would-you-like-to-unbury = What would you like to unbury?
 studying-you-havent-recorded-your-voice-yet = You haven't recorded your voice yet.
+studying-card-studied-in-minute =
+    { $cards ->
+        [one] { $cards } card
+       *[other] { $cards } cards
+    } studied in
+    { $minutes ->
+        [one] { $minutes } minute.
+       *[other] { $minutes } minutes.
+    }
+studying-question-time-elapsed = Question time elapsed
+studying-answer-time-elapsed = Answer time elapsed
+
+## OBSOLETE; you do not need to translate this
+
 studying-card-studied-in =
     { $count ->
         [one] { $count } card studied in
@@ -56,5 +70,3 @@ studying-minute =
         [one] { $count } minute.
        *[other] { $count } minutes.
     }
-studying-question-time-elapsed = Question time elapsed
-studying-answer-time-elapsed = Answer time elapsed

ftl/qt-repo

@@ -1 +1 @@
-Subproject commit dad4e2736a2b53dcdb52d79b5703dd464c05d666
+Subproject commit fd5f984785ad07a0d3dbd893ee3d7e3671eaebd6

proto/anki/frontend.proto

@@ -27,6 +27,9 @@ service FrontendService {
   rpc deckOptionsRequireClose(generic.Empty) returns (generic.Empty);
   // Warns python that the deck option web view is ready to receive requests.
   rpc deckOptionsReady(generic.Empty) returns (generic.Empty);
+
+  // Save colour picker's custom colour palette
+  rpc SaveCustomColours(generic.Empty) returns (generic.Empty);
 }
 
 service BackendFrontendService {}

proto/anki/search.proto

@@ -74,10 +74,15 @@ message SearchNode {
     repeated SearchNode nodes = 1;
     Joiner joiner = 2;
   }
+  enum FieldSearchMode {
+    FIELD_SEARCH_MODE_NORMAL = 0;
+    FIELD_SEARCH_MODE_REGEX = 1;
+    FIELD_SEARCH_MODE_NOCOMBINING = 2;
+  }
   message Field {
     string field_name = 1;
     string text = 2;
-    bool is_re = 3;
+    FieldSearchMode mode = 3;
   }
 
   oneof filter {

qt/aqt/addcards.py

@@ -300,7 +300,7 @@ class AddCards(QMainWindow):
 
             self.addHistory(note)
 
-            tooltip(tr.adding_added_cards(count=changes.count), period=500)
+            tooltip(tr.importing_cards_added(count=changes.count), period=500)
             av_player.stop_and_clear_queue()
             self._load_new_note(sticky_fields_from=note)
             gui_hooks.add_cards_did_add_note(note)

qt/aqt/browser/previewer.py

@@ -13,7 +13,7 @@ import aqt.browser
 from anki.cards import Card
 from anki.collection import Config
 from anki.tags import MARKED_TAG
-from aqt import AnkiQt, gui_hooks
+from aqt import AnkiQt, gui_hooks, is_mac
 from aqt.qt import (
     QCheckBox,
     QDialog,
@@ -81,10 +81,15 @@ class Previewer(QDialog):
         qconnect(self.finished, self._on_finished)
         self.silentlyClose = True
         self.vbox = QVBoxLayout()
+        spacing = 6
         self.vbox.setContentsMargins(0, 0, 0, 0)
+        self.vbox.setSpacing(spacing)
         self._web: AnkiWebView | None = AnkiWebView(kind=AnkiWebViewKind.PREVIEWER)
         self.vbox.addWidget(self._web)
         self.bbox = QDialogButtonBox()
+        self.bbox.setContentsMargins(
+            spacing, spacing if is_mac else 0, spacing, spacing
+        )
         self.bbox.setLayoutDirection(Qt.LayoutDirection.LeftToRight)
 
         gui_hooks.card_review_webview_did_init(self._web, AnkiWebViewKind.PREVIEWER)

qt/aqt/editor.py

@@ -151,6 +151,7 @@ class Editor:
         self.add_webview()
         self.setupWeb()
         self.setupShortcuts()
+        self.setupColourPalette()
         gui_hooks.editor_did_init(self)
 
     # Initial setup
@@ -349,6 +350,14 @@ require("anki/ui").loaded.then(() => require("anki/NoteEditor").instances[0].too
                 keys, fn, _ = row
             QShortcut(QKeySequence(keys), self.widget, activated=fn)  # type: ignore
 
+    def setupColourPalette(self) -> None:
+        if not (colors := self.mw.col.get_config("customColorPickerPalette")):
+            return
+        for i, colour in enumerate(colors[: QColorDialog.customCount()]):
+            if not QColor.isValidColorName(colour):
+                continue
+            QColorDialog.setCustomColor(i, QColor.fromString(colour))
+
     def _addFocusCheck(self, fn: Callable) -> Callable:
         def checkFocus() -> None:
             if self.currentField is None:

qt/aqt/mediasrv.py

@@ -599,6 +599,15 @@ def deck_options_ready() -> bytes:
     return b""
 
 
+def save_custom_colours() -> bytes:
+    colors = [
+        QColorDialog.customColor(i).name(QColor.NameFormat.HexArgb)
+        for i in range(QColorDialog.customCount())
+    ]
+    aqt.mw.col.set_config("customColorPickerPalette", colors)
+    return b""
+
+
 post_handler_list = [
     congrats_info,
     get_deck_configs_for_update,
@@ -614,6 +623,7 @@ post_handler_list = [
     search_in_browser,
     deck_options_require_close,
     deck_options_ready,
+    save_custom_colours,
 ]
 
 

qt/aqt/reviewer.py

@@ -17,6 +17,7 @@ import aqt.browser
 import aqt.operations
 from anki.cards import Card, CardId
 from anki.collection import Config, OpChanges, OpChangesWithCount
+from anki.lang import with_collapsed_whitespace
 from anki.scheduler.base import ScheduleCardsAsNew
 from anki.scheduler.v3 import (
     CardAnswer,
@@ -966,11 +967,15 @@ timerStopped = false;
         elapsed = self.mw.col.timeboxReached()
         if elapsed:
             assert not isinstance(elapsed, bool)
-            part1 = tr.studying_card_studied_in(count=elapsed[1])
+            cards_val = elapsed[1]
-            mins = int(round(elapsed[0] / 60))
+            minutes_val = int(round(elapsed[0] / 60))
-            part2 = tr.studying_minute(count=mins)
+            message = with_collapsed_whitespace(
+                tr.studying_card_studied_in_minute(
+                    cards=cards_val, minutes=str(minutes_val)
+                )
+            )
             fin = tr.studying_finish()
-            diag = askUserDialog(f"{part1} {part2}", [tr.studying_continue(), fin])
+            diag = askUserDialog(message, [tr.studying_continue(), fin])
             diag.setIcon(QMessageBox.Icon.Information)
             if diag.run() == fin:
                 self.mw.moveToState("deckBrowser")

qt/aqt/sound.py

@@ -631,18 +631,44 @@ class QtAudioInputRecorder(Recorder):
         self.mw = mw
         self._parent = parent
 
-        from PyQt6.QtMultimedia import QAudioFormat, QAudioSource  # type: ignore
+        from PyQt6.QtMultimedia import QAudioSource, QMediaDevices  # type: ignore
 
-        format = QAudioFormat()
+        # Get the default audio input device
-        format.setChannelCount(2)
+        device = QMediaDevices.defaultAudioInput()
-        format.setSampleRate(44100)
-        format.setSampleFormat(QAudioFormat.SampleFormat.Int16)
 
-        source = QAudioSource(format, parent)
+        # Try to use Int16 format first (avoids conversion)
+        preferred_format = device.preferredFormat()
+        int16_format = preferred_format
+        int16_format.setSampleFormat(preferred_format.SampleFormat.Int16)
 
+        if device.isFormatSupported(int16_format):
+            # Use Int16 if supported
+            format = int16_format
+        else:
+            # Fall back to device's preferred format
+            format = preferred_format
+
+        # Create the audio source with the chosen format
+        source = QAudioSource(device, format, parent)
+
+        # Store the actual format being used
         self._format = source.format()
         self._audio_input = source
 
+    def _convert_float_to_int16(self, float_buffer: bytearray) -> bytes:
+        """Convert float32 audio samples to int16 format for WAV output."""
+        import struct
+
+        float_count = len(float_buffer) // 4  # 4 bytes per float32
+        floats = struct.unpack(f"{float_count}f", float_buffer)
+
+        # Convert to int16 range, clipping and scaling in one step
+        int16_samples = [
+            max(-32768, min(32767, int(max(-1.0, min(1.0, f)) * 32767))) for f in floats
+        ]
+
+        return struct.pack(f"{len(int16_samples)}h", *int16_samples)
+
     def start(self, on_done: Callable[[], None]) -> None:
         self._iodevice = self._audio_input.start()
         self._buffer = bytearray()
@@ -665,18 +691,32 @@ class QtAudioInputRecorder(Recorder):
                 return
 
             def write_file() -> None:
-                # swallow the first 300ms to allow audio device to quiesce
+                from PyQt6.QtMultimedia import QAudioFormat
-                wait = int(44100 * self.STARTUP_DELAY)
-                if len(self._buffer) <= wait:
-                    return
-                self._buffer = self._buffer[wait:]
 
-                # write out the wave file
+                # swallow the first 300ms to allow audio device to quiesce
+                bytes_per_frame = self._format.bytesPerFrame()
+                frames_to_skip = int(self._format.sampleRate() * self.STARTUP_DELAY)
+                bytes_to_skip = frames_to_skip * bytes_per_frame
+
+                if len(self._buffer) <= bytes_to_skip:
+                    return
+                self._buffer = self._buffer[bytes_to_skip:]
+
+                # Check if we need to convert float samples to int16
+                if self._format.sampleFormat() == QAudioFormat.SampleFormat.Float:
+                    audio_data = self._convert_float_to_int16(self._buffer)
+                    sample_width = 2  # int16 is 2 bytes
+                else:
+                    # For integer formats, use the data as-is
+                    audio_data = bytes(self._buffer)
+                    sample_width = self._format.bytesPerSample()
+
+                # write out the wave file with the correct format parameters
                 wf = wave.open(self.output_path, "wb")
                 wf.setnchannels(self._format.channelCount())
-                wf.setsampwidth(2)
+                wf.setsampwidth(sample_width)
                 wf.setframerate(self._format.sampleRate())
-                wf.writeframes(self._buffer)
+                wf.writeframes(audio_data)
                 wf.close()
 
             def and_then(fut: Future) -> None:

qt/aqt/stylesheets.py

@@ -180,7 +180,7 @@ class CustomStyles:
     QPushButton {{
         margin: 1px;
     }}
-    QPushButton:focus {{
+    QPushButton:focus, QPushButton:default:hover {{
         border: 2px solid {tm.var(colors.BORDER_FOCUS)};
         outline: none;
         margin: 0px;
@@ -199,9 +199,6 @@ class CustomStyles:
             )
         };
     }}
-    QPushButton:default:hover {{
-        border-width: 2px;
-    }}
     QPushButton:pressed,
     QPushButton:checked,
     QSpinBox::up-button:pressed,

qt/launcher/mac/build.sh

@@ -30,6 +30,12 @@ lipo -create \
     -output "$APP_LAUNCHER/Contents/MacOS/launcher"
 cp "$OUTPUT_DIR/uv" "$APP_LAUNCHER/Contents/MacOS/"
 
+# Build install_name_tool stub
+clang -arch arm64 -o "$OUTPUT_DIR/stub_arm64" stub.c
+clang -arch x86_64 -o "$OUTPUT_DIR/stub_x86_64" stub.c
+lipo -create "$OUTPUT_DIR/stub_arm64" "$OUTPUT_DIR/stub_x86_64" -output "$APP_LAUNCHER/Contents/MacOS/install_name_tool"
+rm "$OUTPUT_DIR/stub_arm64" "$OUTPUT_DIR/stub_x86_64"
+
 # Copy support files
 ANKI_VERSION=$(cat ../../../.version | tr -d '\n')
 sed "s/ANKI_VERSION/$ANKI_VERSION/g" Info.plist > "$APP_LAUNCHER/Contents/Info.plist"
@@ -40,7 +46,7 @@ cp ../versions.py "$APP_LAUNCHER/Contents/Resources/"
 
 # Codesign/bundle
 if [ -z "$NODMG" ]; then
-    for i in "$APP_LAUNCHER/Contents/MacOS/uv" "$APP_LAUNCHER/Contents/MacOS/launcher" "$APP_LAUNCHER"; do
+    for i in "$APP_LAUNCHER/Contents/MacOS/uv" "$APP_LAUNCHER/Contents/MacOS/install_name_tool" "$APP_LAUNCHER/Contents/MacOS/launcher" "$APP_LAUNCHER"; do
         codesign --force -vvvv -o runtime -s "Developer ID Application:" \
         --entitlements entitlements.python.xml \
         "$i"

qt/launcher/mac/stub.c

@@ -0,0 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+int main(void) {
+    return 0;
+}

qt/launcher/src/main.rs

@@ -51,6 +51,8 @@ struct State {
     previous_version: Option<String>,
     resources_dir: std::path::PathBuf,
     venv_folder: std::path::PathBuf,
+    /// system Python + PyQt6 library mode
+    system_qt: bool,
 }
 
 #[derive(Debug, Clone)]
@@ -88,9 +90,13 @@ fn main() {
 }
 
 fn run() -> Result<()> {
-    let uv_install_root = dirs::data_local_dir()
+    let uv_install_root = if let Ok(custom_root) = std::env::var("ANKI_LAUNCHER_VENV_ROOT") {
-        .context("Unable to determine data_dir")?
+        std::path::PathBuf::from(custom_root)
-        .join("AnkiProgramFiles");
+    } else {
+        dirs::data_local_dir()
+            .context("Unable to determine data_dir")?
+            .join("AnkiProgramFiles")
+    };
 
     let (exe_dir, resources_dir) = get_exe_and_resources_dirs()?;
 
@@ -113,6 +119,8 @@ fn run() -> Result<()> {
         mirror_path: uv_install_root.join("mirror"),
         pyproject_modified_by_user: false, // calculated later
         previous_version: None,
+        system_qt: (cfg!(unix) && !cfg!(target_os = "macos"))
+            && resources_dir.join("system_qt").exists(),
         resources_dir,
         venv_folder: uv_install_root.join(".venv"),
     };
@@ -193,8 +201,8 @@ fn extract_aqt_version(state: &State) -> Option<String> {
         return None;
     }
 
-    let output = Command::new(&state.uv_path)
+    let output = uv_command(state)
-        .current_dir(&state.uv_install_root)
+        .ok()?
         .env("VIRTUAL_ENV", &state.venv_folder)
         .args(["pip", "show", "aqt"])
         .output()
@@ -261,34 +269,45 @@ fn handle_version_install_or_update(state: &State, choice: MainMenuChoice) -> Re
         None
     };
 
-    let have_venv = state.venv_folder.exists();
-    if cfg!(target_os = "macos") && !have_developer_tools() && !have_venv {
-        println!("If you see a pop-up about 'install_name_tool', you can cancel it, and ignore the warning below.\n");
-    }
-
     // Prepare to sync the venv
-    let mut command = Command::new(&state.uv_path);
+    let mut command = uv_command(state)?;
-    command.current_dir(&state.uv_install_root);
 
-    // remove UV_* environment variables to avoid interference
+    if cfg!(target_os = "macos") {
-    for (key, _) in std::env::vars() {
+        // remove CONDA_PREFIX/bin from PATH to avoid conda interference
-        if key.starts_with("UV_") || key == "VIRTUAL_ENV" {
+        if let Ok(conda_prefix) = std::env::var("CONDA_PREFIX") {
-            command.env_remove(key);
+            if let Ok(current_path) = std::env::var("PATH") {
+                let conda_bin = format!("{conda_prefix}/bin");
+                let filtered_paths: Vec<&str> = current_path
+                    .split(':')
+                    .filter(|&path| path != conda_bin)
+                    .collect();
+                let new_path = filtered_paths.join(":");
+                command.env("PATH", new_path);
+            }
+        }
+        // put our fake install_name_tool at the top of the path to override
+        // potential conflicts
+        if let Ok(current_path) = std::env::var("PATH") {
+            let exe_dir = std::env::current_exe()
+                .ok()
+                .and_then(|exe| exe.parent().map(|p| p.to_path_buf()));
+            if let Some(exe_dir) = exe_dir {
+                let new_path = format!("{}:{}", exe_dir.display(), current_path);
+                command.env("PATH", new_path);
+            }
         }
     }
 
-    // remove CONDA_PREFIX/bin from PATH to avoid conda interference
+    // Create venv with system site packages if system Qt is enabled
-    #[cfg(target_os = "macos")]
+    if state.system_qt {
-    if let Ok(conda_prefix) = std::env::var("CONDA_PREFIX") {
+        let mut venv_command = uv_command(state)?;
-        if let Ok(current_path) = std::env::var("PATH") {
+        venv_command.args([
-            let conda_bin = format!("{conda_prefix}/bin");
+            "venv",
-            let filtered_paths: Vec<&str> = current_path
+            "--no-managed-python",
-                .split(':')
+            "--system-site-packages",
-                .filter(|&path| path != conda_bin)
+            "--no-config",
-                .collect();
+        ]);
-            let new_path = filtered_paths.join(":");
+        venv_command.ensure_success()?;
-            command.env("PATH", new_path);
-        }
     }
 
     command
@@ -297,25 +316,24 @@ fn handle_version_install_or_update(state: &State, choice: MainMenuChoice) -> Re
         .env(
             "UV_HTTP_TIMEOUT",
             std::env::var("UV_HTTP_TIMEOUT").unwrap_or_else(|_| "180".to_string()),
-        )
+        );
-        .args(["sync", "--upgrade", "--managed-python", "--no-config"]);
 
-    // Add python version if .python-version file exists
+    command.args(["sync", "--upgrade", "--no-config"]);
+    if !state.system_qt {
+        command.arg("--managed-python");
+    }
+
+    // Add python version if .python-version file exists (but not for system Qt)
     if let Some(version) = &python_version_trimmed {
-        command.args(["--python", version]);
+        if !state.system_qt {
+            command.args(["--python", version]);
+        }
     }
 
     if state.no_cache_marker.exists() {
         command.env("UV_NO_CACHE", "1");
     }
 
-    // Add mirror environment variable if enabled
-    if let Some((python_mirror, pypi_mirror)) = get_mirror_urls(state)? {
-        command
-            .env("UV_PYTHON_INSTALL_MIRROR", &python_mirror)
-            .env("UV_DEFAULT_INDEX", &pypi_mirror);
-    }
-
     match command.ensure_success() {
         Ok(_) => {
             // Sync succeeded
@@ -665,9 +683,8 @@ fn filter_and_normalize_versions(
 fn fetch_versions(state: &State) -> Result<Vec<String>> {
     let versions_script = state.resources_dir.join("versions.py");
 
-    let mut cmd = Command::new(&state.uv_path);
+    let mut cmd = uv_command(state)?;
-    cmd.current_dir(&state.uv_install_root)
+    cmd.args(["run", "--no-project", "--no-config", "--managed-python"])
-        .args(["run", "--no-project", "--no-config", "--managed-python"])
         .args(["--with", "pip-system-certs,requests[socks]"]);
 
     let python_version = read_file(&state.dist_python_version_path)?;
@@ -680,12 +697,6 @@ fn fetch_versions(state: &State) -> Result<Vec<String>> {
 
     cmd.arg(&versions_script);
 
-    // Add mirror environment variable if enabled
-    if let Some((python_mirror, pypi_mirror)) = get_mirror_urls(state)? {
-        cmd.env("UV_PYTHON_INSTALL_MIRROR", &python_mirror)
-            .env("UV_DEFAULT_INDEX", &pypi_mirror);
-    }
-
     let output = match cmd.utf8_output() {
         Ok(output) => output,
         Err(e) => {
@@ -738,7 +749,26 @@ fn apply_version_kind(version_kind: &VersionKind, state: &State) -> Result<()> {
             &format!("anki-release=={version}\",\n  \"anki=={version}\",\n  \"aqt=={version}"),
         ),
     };
-    write_file(&state.user_pyproject_path, &updated_content)?;
+
+    let final_content = if state.system_qt {
+        format!(
+            concat!(
+                "{}\n\n[tool.uv]\n",
+                "override-dependencies = [\n",
+                "  \"pyqt6; sys_platform=='never'\",\n",
+                "  \"pyqt6-qt6; sys_platform=='never'\",\n",
+                "  \"pyqt6-webengine; sys_platform=='never'\",\n",
+                "  \"pyqt6-webengine-qt6; sys_platform=='never'\",\n",
+                "  \"pyqt6_sip; sys_platform=='never'\"\n",
+                "]\n"
+            ),
+            updated_content
+        )
+    } else {
+        updated_content
+    };
+
+    write_file(&state.user_pyproject_path, &final_content)?;
 
     // Update .python-version based on version kind
     match version_kind {
@@ -930,12 +960,28 @@ fn handle_uninstall(state: &State) -> Result<bool> {
     Ok(true)
 }
 
-fn have_developer_tools() -> bool {
+fn uv_command(state: &State) -> Result<Command> {
-    Command::new("xcode-select")
+    let mut command = Command::new(&state.uv_path);
-        .args(["-p"])
+    command.current_dir(&state.uv_install_root);
-        .output()
+
-        .map(|output| output.status.success())
+    // remove UV_* environment variables to avoid interference
-        .unwrap_or(false)
+    for (key, _) in std::env::vars() {
+        if key.starts_with("UV_") {
+            command.env_remove(key);
+        }
+    }
+    command
+        .env_remove("VIRTUAL_ENV")
+        .env_remove("SSLKEYLOGFILE");
+
+    // Add mirror environment variable if enabled
+    if let Some((python_mirror, pypi_mirror)) = get_mirror_urls(state)? {
+        command
+            .env("UV_PYTHON_INSTALL_MIRROR", &python_mirror)
+            .env("UV_DEFAULT_INDEX", &pypi_mirror);
+    }
+
+    Ok(command)
 }
 
 fn build_python_command(state: &State, args: &[String]) -> Result<Command> {
@@ -960,6 +1006,7 @@ fn build_python_command(state: &State, args: &[String]) -> Result<Command> {
     // Set UV and Python paths for the Python code
     cmd.env("ANKI_LAUNCHER_UV", state.uv_path.utf8()?.as_str());
     cmd.env("UV_PROJECT", state.uv_install_root.utf8()?.as_str());
+    cmd.env_remove("SSLKEYLOGFILE");
 
     Ok(cmd)
 }

qt/launcher/src/platform/mac.rs

@@ -62,8 +62,9 @@ pub fn prepare_for_launch_after_update(mut cmd: Command, root: &Path) -> Result<
 pub fn relaunch_in_terminal() -> Result<()> {
     let current_exe = std::env::current_exe().context("Failed to get current executable path")?;
     Command::new("open")
-        .args(["-a", "Terminal"])
+        .args(["-na", "Terminal"])
         .arg(current_exe)
+        .env_remove("ANKI_LAUNCHER_WANT_TERMINAL")
         .ensure_spawn()?;
     std::process::exit(0);
 }

rslib/src/scheduler/fsrs/params.rs

@@ -174,7 +174,7 @@ impl Collection {
             }
         }
 
-        let health_check_passed = if health_check {
+        let health_check_passed = if health_check && input.train_set.len() > 300 {
             let fsrs = FSRS::new(None)?;
             fsrs.evaluate_with_time_series_splits(input, |_| true)
                 .ok()

rslib/src/search/builder.rs

@@ -6,6 +6,7 @@ use std::mem;
 use itertools::Itertools;
 
 use super::writer::write_nodes;
+use super::FieldSearchMode;
 use super::Node;
 use super::SearchNode;
 use super::StateKind;
@@ -174,7 +175,7 @@ impl SearchNode {
     pub fn from_tag_name(name: &str) -> Self {
         Self::Tag {
             tag: escape_anki_wildcards_for_search_node(name),
-            is_re: false,
+            mode: FieldSearchMode::Normal,
         }
     }
 

rslib/src/search/mod.rs

@@ -13,6 +13,7 @@ pub use builder::JoinSearches;
 pub use builder::Negated;
 pub use builder::SearchBuilder;
 pub use parser::parse as parse_search;
+pub use parser::FieldSearchMode;
 pub use parser::Node;
 pub use parser::PropertyKind;
 pub use parser::RatingKind;

rslib/src/search/parser.rs

@@ -3,6 +3,7 @@
 
 use std::sync::LazyLock;
 
+use anki_proto::search::search_node::FieldSearchMode as FieldSearchModeProto;
 use nom::branch::alt;
 use nom::bytes::complete::escaped;
 use nom::bytes::complete::is_not;
@@ -27,7 +28,6 @@ use crate::error::ParseError;
 use crate::error::Result;
 use crate::error::SearchErrorKind as FailKind;
 use crate::prelude::*;
-
 type IResult<'a, O> = std::result::Result<(&'a str, O), nom::Err<ParseError<'a>>>;
 type ParseResult<'a, O> = std::result::Result<O, nom::Err<ParseError<'a>>>;
 
@@ -48,6 +48,23 @@ pub enum Node {
     Search(SearchNode),
 }
 
+#[derive(Copy, Debug, PartialEq, Eq, Clone)]
+pub enum FieldSearchMode {
+    Normal,
+    Regex,
+    NoCombining,
+}
+
+impl From<FieldSearchModeProto> for FieldSearchMode {
+    fn from(mode: FieldSearchModeProto) -> Self {
+        match mode {
+            FieldSearchModeProto::Normal => Self::Normal,
+            FieldSearchModeProto::Regex => Self::Regex,
+            FieldSearchModeProto::Nocombining => Self::NoCombining,
+        }
+    }
+}
+
 #[derive(Debug, PartialEq, Clone)]
 pub enum SearchNode {
     // text without a colon
@@ -56,7 +73,7 @@ pub enum SearchNode {
     SingleField {
         field: String,
         text: String,
-        is_re: bool,
+        mode: FieldSearchMode,
     },
     AddedInDays(u32),
     EditedInDays(u32),
@@ -77,7 +94,7 @@ pub enum SearchNode {
     },
     Tag {
         tag: String,
-        is_re: bool,
+        mode: FieldSearchMode,
     },
     Duplicates {
         notetype_id: NotetypeId,
@@ -373,12 +390,12 @@ fn parse_tag(s: &str) -> ParseResult<'_, SearchNode> {
     Ok(if let Some(re) = s.strip_prefix("re:") {
         SearchNode::Tag {
             tag: unescape_quotes(re),
-            is_re: true,
+            mode: FieldSearchMode::Regex,
         }
     } else {
         SearchNode::Tag {
             tag: unescape(s)?,
-            is_re: false,
+            mode: FieldSearchMode::Normal,
         }
     })
 }
@@ -670,13 +687,19 @@ fn parse_single_field<'a>(key: &'a str, val: &'a str) -> ParseResult<'a, SearchN
         SearchNode::SingleField {
             field: unescape(key)?,
             text: unescape_quotes(stripped),
-            is_re: true,
+            mode: FieldSearchMode::Regex,
+        }
+    } else if let Some(stripped) = val.strip_prefix("nc:") {
+        SearchNode::SingleField {
+            field: unescape(key)?,
+            text: unescape_quotes(stripped),
+            mode: FieldSearchMode::NoCombining,
         }
     } else {
         SearchNode::SingleField {
             field: unescape(key)?,
             text: unescape(val)?,
-            is_re: false,
+            mode: FieldSearchMode::Normal,
         }
     })
 }
@@ -806,7 +829,7 @@ mod test {
                     Search(SingleField {
                         field: "foo".into(),
                         text: "bar baz".into(),
-                        is_re: false,
+                        mode: FieldSearchMode::Normal,
                     })
                 ]))),
                 Or,
@@ -819,7 +842,16 @@ mod test {
             vec![Search(SingleField {
                 field: "foo".into(),
                 text: "bar".into(),
-                is_re: true
+                mode: FieldSearchMode::Regex,
+            })]
+        );
+
+        assert_eq!(
+            parse("foo:nc:bar")?,
+            vec![Search(SingleField {
+                field: "foo".into(),
+                text: "bar".into(),
+                mode: FieldSearchMode::NoCombining,
             })]
         );
 
@@ -829,7 +861,7 @@ mod test {
             vec![Search(SingleField {
                 field: "field".into(),
                 text: "va\"lue".into(),
-                is_re: false
+                mode: FieldSearchMode::Normal,
             })]
         );
         assert_eq!(parse(r#""field:va\"lue""#)?, parse(r#"field:"va\"lue""#)?,);
@@ -906,14 +938,14 @@ mod test {
             parse("tag:hard")?,
             vec![Search(Tag {
                 tag: "hard".into(),
-                is_re: false
+                mode: FieldSearchMode::Normal
             })]
         );
         assert_eq!(
             parse(r"tag:re:\\")?,
             vec![Search(Tag {
                 tag: r"\\".into(),
-                is_re: true
+                mode: FieldSearchMode::Regex
             })]
         );
         assert_eq!(

rslib/src/search/service/search_node.rs

@@ -6,6 +6,7 @@ use itertools::Itertools;
 
 use crate::prelude::*;
 use crate::search::parse_search;
+use crate::search::FieldSearchMode;
 use crate::search::Negated;
 use crate::search::Node;
 use crate::search::PropertyKind;
@@ -40,7 +41,7 @@ impl TryFrom<anki_proto::search::SearchNode> for Node {
                 Filter::FieldName(s) => Node::Search(SearchNode::SingleField {
                     field: escape_anki_wildcards_for_search_node(&s),
                     text: "_*".to_string(),
-                    is_re: false,
+                    mode: FieldSearchMode::Normal,
                 }),
                 Filter::Rated(rated) => Node::Search(SearchNode::Rated {
                     days: rated.days,
@@ -107,7 +108,7 @@ impl TryFrom<anki_proto::search::SearchNode> for Node {
                 Filter::Field(field) => Node::Search(SearchNode::SingleField {
                     field: escape_anki_wildcards(&field.field_name),
                     text: escape_anki_wildcards(&field.text),
-                    is_re: field.is_re,
+                    mode: field.mode().into(),
                 }),
                 Filter::LiteralText(text) => {
                     let text = escape_anki_wildcards(&text);

rslib/src/search/sqlwriter.rs

@@ -7,6 +7,7 @@ use std::ops::Range;
 
 use itertools::Itertools;
 
+use super::parser::FieldSearchMode;
 use super::parser::Node;
 use super::parser::PropertyKind;
 use super::parser::RatingKind;
@@ -138,8 +139,8 @@ impl SqlWriter<'_> {
                     false,
                 )?
             }
-            SearchNode::SingleField { field, text, is_re } => {
+            SearchNode::SingleField { field, text, mode } => {
-                self.write_field(&norm(field), &self.norm_note(text), *is_re)?
+                self.write_field(&norm(field), &self.norm_note(text), *mode)?
             }
             SearchNode::Duplicates { notetype_id, text } => {
                 self.write_dupe(*notetype_id, &self.norm_note(text))?
@@ -180,7 +181,7 @@ impl SqlWriter<'_> {
             SearchNode::Notetype(notetype) => self.write_notetype(&norm(notetype)),
             SearchNode::Rated { days, ease } => self.write_rated(">", -i64::from(*days), ease)?,
 
-            SearchNode::Tag { tag, is_re } => self.write_tag(&norm(tag), *is_re),
+            SearchNode::Tag { tag, mode } => self.write_tag(&norm(tag), *mode),
             SearchNode::State(state) => self.write_state(state)?,
             SearchNode::Flag(flag) => {
                 write!(self.sql, "(c.flags & 7) == {flag}").unwrap();
@@ -296,8 +297,8 @@ impl SqlWriter<'_> {
         Ok(())
     }
 
-    fn write_tag(&mut self, tag: &str, is_re: bool) {
+    fn write_tag(&mut self, tag: &str, mode: FieldSearchMode) {
-        if is_re {
+        if mode == FieldSearchMode::Regex {
             self.args.push(format!("(?i){tag}"));
             write!(self.sql, "regexp_tags(?{}, n.tags)", self.args.len()).unwrap();
         } else {
@@ -567,16 +568,18 @@ impl SqlWriter<'_> {
         }
     }
 
-    fn write_field(&mut self, field_name: &str, val: &str, is_re: bool) -> Result<()> {
+    fn write_field(&mut self, field_name: &str, val: &str, mode: FieldSearchMode) -> Result<()> {
         if matches!(field_name, "*" | "_*" | "*_") {
-            if is_re {
+            if mode == FieldSearchMode::Regex {
                 self.write_all_fields_regexp(val);
             } else {
                 self.write_all_fields(val);
             }
             Ok(())
-        } else if is_re {
+        } else if mode == FieldSearchMode::Regex {
             self.write_single_field_regexp(field_name, val)
+        } else if mode == FieldSearchMode::NoCombining {
+            self.write_single_field_nc(field_name, val)
         } else {
             self.write_single_field(field_name, val)
         }
@@ -592,6 +595,58 @@ impl SqlWriter<'_> {
         write!(self.sql, "regexp_fields(?{}, n.flds)", self.args.len()).unwrap();
     }
 
+    fn write_single_field_nc(&mut self, field_name: &str, val: &str) -> Result<()> {
+        let field_indicies_by_notetype = self.num_fields_and_fields_indices_by_notetype(
+            field_name,
+            matches!(val, "*" | "_*" | "*_"),
+        )?;
+        if field_indicies_by_notetype.is_empty() {
+            write!(self.sql, "false").unwrap();
+            return Ok(());
+        }
+
+        let val = to_sql(val);
+        let val = without_combining(&val);
+        self.args.push(val.into());
+        let arg_idx = self.args.len();
+        let field_idx_str = format!("' || ?{arg_idx} || '");
+        let other_idx_str = "%".to_string();
+
+        let notetype_clause = |ctx: &FieldQualifiedSearchContext| -> String {
+            let field_index_clause = |range: &Range<u32>| {
+                let f = (0..ctx.total_fields_in_note)
+                    .filter_map(|i| {
+                        if i as u32 == range.start {
+                            Some(&field_idx_str)
+                        } else if range.contains(&(i as u32)) {
+                            None
+                        } else {
+                            Some(&other_idx_str)
+                        }
+                    })
+                    .join("\x1f");
+                format!(
+                    "coalesce(process_text(n.flds, {}), n.flds) like '{f}' escape '\\'",
+                    ProcessTextFlags::NoCombining.bits()
+                )
+            };
+
+            let all_field_clauses = ctx
+                .field_ranges_to_search
+                .iter()
+                .map(field_index_clause)
+                .join(" or ");
+            format!("(n.mid = {mid} and ({all_field_clauses}))", mid = ctx.ntid)
+        };
+        let all_notetype_clauses = field_indicies_by_notetype
+            .iter()
+            .map(notetype_clause)
+            .join(" or ");
+        write!(self.sql, "({all_notetype_clauses})").unwrap();
+
+        Ok(())
+    }
+
     fn write_single_field_regexp(&mut self, field_name: &str, val: &str) -> Result<()> {
         let field_indicies_by_notetype = self.fields_indices_by_notetype(field_name)?;
         if field_indicies_by_notetype.is_empty() {
@@ -1116,6 +1171,20 @@ mod test {
                 vec!["(?i)te.*st".into()]
             )
         );
+        // field search with no-combine
+        assert_eq!(
+            s(ctx, "front:nc:frânçais"),
+            (
+                concat!(
+                    "(((n.mid = 1581236385344 and (coalesce(process_text(n.flds, 1), n.flds) like '' || ?1 || '\u{1f}%' escape '\\')) or ",
+                    "(n.mid = 1581236385345 and (coalesce(process_text(n.flds, 1), n.flds) like '' || ?1 || '\u{1f}%\u{1f}%' escape '\\')) or ",
+                    "(n.mid = 1581236385346 and (coalesce(process_text(n.flds, 1), n.flds) like '' || ?1 || '\u{1f}%' escape '\\')) or ",
+                    "(n.mid = 1581236385347 and (coalesce(process_text(n.flds, 1), n.flds) like '' || ?1 || '\u{1f}%' escape '\\'))))"
+                )
+                .into(),
+                vec!["francais".into()]
+            )
+        );
         // all field search
         assert_eq!(
             s(ctx, "*:te*st"),

rslib/src/search/writer.rs

@@ -9,6 +9,7 @@ use regex::Regex;
 use crate::notetype::NotetypeId as NotetypeIdType;
 use crate::prelude::*;
 use crate::search::parser::parse;
+use crate::search::parser::FieldSearchMode;
 use crate::search::parser::Node;
 use crate::search::parser::PropertyKind;
 use crate::search::parser::RatingKind;
@@ -69,7 +70,7 @@ fn write_search_node(node: &SearchNode) -> String {
     use SearchNode::*;
     match node {
         UnqualifiedText(s) => maybe_quote(&s.replace(':', "\\:")),
-        SingleField { field, text, is_re } => write_single_field(field, text, *is_re),
+        SingleField { field, text, mode } => write_single_field(field, text, *mode),
         AddedInDays(u) => format!("added:{u}"),
         EditedInDays(u) => format!("edited:{u}"),
         IntroducedInDays(u) => format!("introduced:{u}"),
@@ -81,7 +82,7 @@ fn write_search_node(node: &SearchNode) -> String {
         NotetypeId(NotetypeIdType(i)) => format!("mid:{i}"),
         Notetype(s) => maybe_quote(&format!("note:{s}")),
         Rated { days, ease } => write_rated(days, ease),
-        Tag { tag, is_re } => write_single_field("tag", tag, *is_re),
+        Tag { tag, mode } => write_single_field("tag", tag, *mode),
         Duplicates { notetype_id, text } => write_dupe(notetype_id, text),
         State(k) => write_state(k),
         Flag(u) => format!("flag:{u}"),
@@ -116,14 +117,25 @@ fn needs_quotation(txt: &str) -> bool {
 }
 
 /// Also used by tag search, which has the same syntax.
-fn write_single_field(field: &str, text: &str, is_re: bool) -> String {
+fn write_single_field(field: &str, text: &str, mode: FieldSearchMode) -> String {
-    let re = if is_re { "re:" } else { "" };
+    let prefix = match mode {
-    let text = if !is_re && text.starts_with("re:") {
+        FieldSearchMode::Normal => "",
+        FieldSearchMode::Regex => "re:",
+        FieldSearchMode::NoCombining => "nc:",
+    };
+    let text = if mode == FieldSearchMode::Normal
+        && (text.starts_with("re:") || text.starts_with("nc:"))
+    {
         text.replacen(':', "\\:", 1)
     } else {
         text.to_string()
     };
-    maybe_quote(&format!("{}:{}{}", field.replace(':', "\\:"), re, &text))
+    maybe_quote(&format!(
+        "{}:{}{}",
+        field.replace(':', "\\:"),
+        prefix,
+        &text
+    ))
 }
 
 fn write_template(template: &TemplateKind) -> String {

ts/editor/editor-toolbar/ColorPicker.svelte

@@ -4,6 +4,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 -->
 <script lang="ts">
     import Shortcut from "$lib/components/Shortcut.svelte";
+    import { saveCustomColours } from "@generated/backend";
 
     export let keyCombination: string | null = null;
     export let value: string;
@@ -11,7 +12,15 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     let inputRef: HTMLInputElement;
 </script>
 
-<input bind:this={inputRef} tabindex="-1" type="color" bind:value on:input on:change />
+<input
+    bind:this={inputRef}
+    tabindex="-1"
+    type="color"
+    bind:value
+    on:input
+    on:change
+    on:click={() => saveCustomColours({})}
+/>
 
 {#if keyCombination}
     <Shortcut {keyCombination} on:action={() => inputRef.click()} />

ts/editor/editor-toolbar/HighlightColorButton.svelte

@@ -19,6 +19,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import ColorPicker from "./ColorPicker.svelte";
     import { context as editorToolbarContext } from "./EditorToolbar.svelte";
     import WithColorHelper from "./WithColorHelper.svelte";
+    import { saveCustomColours } from "@generated/backend";
 
     export let color: string;
 
@@ -134,7 +135,10 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
                 color = setColor(event);
                 bridgeCommand(`lastHighlightColor:${color}`);
             }}
-            on:change={() => setTextColor()}
+            on:change={() => {
+                setTextColor();
+                saveCustomColours({});
+            }}
         />
     </IconButton>
 </WithColorHelper>

ts/editor/editor-toolbar/TextColorButton.svelte

@@ -22,6 +22,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import ColorPicker from "./ColorPicker.svelte";
     import { context as editorToolbarContext } from "./EditorToolbar.svelte";
     import WithColorHelper from "./WithColorHelper.svelte";
+    import { saveCustomColours } from "@generated/backend";
 
     export let color: string;
 
@@ -158,6 +159,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
                 setTimeout(() => {
                     setTextColor();
                 }, 200);
+                saveCustomColours({});
             }}
         />
     </IconButton>

ts/reviewer/images.ts

@@ -10,6 +10,9 @@ export function allImagesLoaded(): Promise<void[]> {
 }
 
 function imageLoaded(img: HTMLImageElement): Promise<void> {
+    if (!img.getAttribute("decoding")) {
+        img.decoding = "async";
+    }
     return img.complete
         ? Promise.resolve()
         : new Promise((resolve) => {

ts/routes/deck-options/FsrsOptions.svelte

@@ -53,6 +53,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     let desiredRetentionFocused = false;
     let desiredRetentionEverFocused = false;
     let optimized = false;
+    const initialParams = [...fsrsParams($config)];
     $: if (desiredRetentionFocused) {
         desiredRetentionEverFocused = true;
     }
@@ -338,6 +339,14 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         state.save(UpdateDeckConfigsMode.COMPUTE_ALL_PARAMS);
     }
 
+    function showSimulatorModal(modal: Modal) {
+        if (fsrsParams($config).toString() === initialParams.toString()) {
+            modal?.show();
+        } else {
+            alert(tr.deckConfigFsrsSimulateSavePreset());
+        }
+    }
+
     let simulatorModal: Modal;
     let workloadModal: Modal;
 </script>
@@ -368,7 +377,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     class="btn btn-primary"
     on:click={() => {
         simulateFsrsRequest.reviewLimit = 9999;
-        workloadModal?.show();
+        showSimulatorModal(workloadModal);
     }}
 >
     {tr.deckConfigFsrsDesiredRetentionHelpMeDecideExperimental()}
@@ -455,7 +464,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 <hr />
 
 <div class="m-1">
-    <button class="btn btn-primary" on:click={() => simulatorModal?.show()}>
+    <button class="btn btn-primary" on:click={() => showSimulatorModal(simulatorModal)}>
         {tr.deckConfigFsrsSimulatorExperimental()}
     </button>
 </div>

yarn.lock

@@ -6939,8 +6939,8 @@ __metadata:
   linkType: hard
 
 "vite@npm:6":
-  version: 6.3.5
+  version: 6.3.6
-  resolution: "vite@npm:6.3.5"
+  resolution: "vite@npm:6.3.6"
   dependencies:
     esbuild: "npm:^0.25.0"
     fdir: "npm:^6.4.4"
@@ -6989,7 +6989,7 @@ __metadata:
       optional: true
   bin:
     vite: bin/vite.js
-  checksum: 10c0/df70201659085133abffc6b88dcdb8a57ef35f742a01311fc56a4cfcda6a404202860729cc65a2c401a724f6e25f9ab40ce4339ed4946f550541531ced6fe41c
+  checksum: 10c0/add701f1e72596c002275782e38d0389ab400c1be330c93a3009804d62db68097a936ca1c53c3301df3aaacfe5e328eab547060f31ef9c49a277ae50df6ad4fb
   languageName: node
   linkType: hard