feat: add disabled dates API to date and date-time pickers

vaadin-accordion-flow-parent/vaadin-accordion-flow/src/main/java/com/vaadin/flow/component/accordion/Accordion.java

@@ -50,7 +50,7 @@
  * @since 1.0
  */
 @Tag("vaadin-accordion")
-@NpmPackage(value = "@vaadin/accordion", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/accordion", version = "dev-disable-dates")
 @JsModule("@vaadin/accordion/src/vaadin-accordion.js")
 public class Accordion extends Component implements HasSize, HasStyle {
 

vaadin-accordion-flow-parent/vaadin-accordion-flow/src/main/java/com/vaadin/flow/component/accordion/AccordionPanel.java

@@ -27,7 +27,7 @@
  * @since 1.0
  */
 @Tag("vaadin-accordion-panel")
-@NpmPackage(value = "@vaadin/accordion", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/accordion", version = "dev-disable-dates")
 @JsModule("@vaadin/accordion/src/vaadin-accordion-panel.js")
 public class AccordionPanel extends Details {
 

vaadin-app-layout-flow-parent/vaadin-app-layout-flow/src/main/java/com/vaadin/flow/component/applayout/AppLayout.java

@@ -51,7 +51,7 @@
  * @since 1.0
  */
 @Tag("vaadin-app-layout")
-@NpmPackage(value = "@vaadin/app-layout", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/app-layout", version = "dev-disable-dates")
 @JsModule("@vaadin/app-layout/src/vaadin-app-layout.js")
 public class AppLayout extends Component implements RouterLayout, HasStyle {
     private static final PropertyDescriptor<String, String> primarySectionProperty = PropertyDescriptors

vaadin-app-layout-flow-parent/vaadin-app-layout-flow/src/main/java/com/vaadin/flow/component/applayout/DrawerToggle.java

@@ -32,7 +32,7 @@
  * @since 2.0
  */
 @Tag("vaadin-drawer-toggle")
-@NpmPackage(value = "@vaadin/app-layout", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/app-layout", version = "dev-disable-dates")
 @JsModule("@vaadin/app-layout/src/vaadin-drawer-toggle.js")
 public class DrawerToggle extends Button {
 

vaadin-aura-theme-flow-parent/vaadin-aura-theme-flow/src/main/java/com/vaadin/flow/theme/aura/Aura.java

@@ -24,7 +24,7 @@
  * 
  * @since 25.0
  */
-@NpmPackage(value = "@vaadin/aura", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/aura", version = "dev-disable-dates")
 public class Aura {
     /**
      * The path to the Aura stylesheet. Can be used as argument to a

vaadin-avatar-flow-parent/vaadin-avatar-flow/src/main/java/com/vaadin/flow/component/avatar/Avatar.java

@@ -57,7 +57,7 @@
  */
 @Tag("vaadin-avatar")
 @JsModule("@vaadin/avatar/src/vaadin-avatar.js")
-@NpmPackage(value = "@vaadin/avatar", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/avatar", version = "dev-disable-dates")
 public class Avatar extends Component
         implements HasStyle, HasSize, HasThemeVariant<AvatarVariant> {
 

vaadin-avatar-flow-parent/vaadin-avatar-flow/src/main/java/com/vaadin/flow/component/avatar/AvatarGroup.java

@@ -74,7 +74,7 @@
  */
 @Tag("vaadin-avatar-group")
 @JsModule("@vaadin/avatar-group/src/vaadin-avatar-group.js")
-@NpmPackage(value = "@vaadin/avatar-group", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/avatar-group", version = "dev-disable-dates")
 public class AvatarGroup extends Component
         implements HasStyle, HasSize, HasThemeVariant<AvatarGroupVariant> {
 

vaadin-badge-flow-parent/vaadin-badge-flow/src/main/java/com/vaadin/flow/component/badge/Badge.java

@@ -67,7 +67,7 @@
  * @since 25.1
  */
 @Tag("vaadin-badge")
-@NpmPackage(value = "@vaadin/badge", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/badge", version = "dev-disable-dates")
 @JsModule("@vaadin/badge/src/vaadin-badge.js")
 public class Badge extends Component implements HasAriaRole, HasSize, HasText,
         HasThemeVariant<BadgeVariant> {

vaadin-board-flow-parent/vaadin-board-flow/src/main/java/com/vaadin/flow/component/board/Board.java

@@ -30,7 +30,7 @@
  * @since 2.0.1
  */
 @Tag("vaadin-board")
-@NpmPackage(value = "@vaadin/board", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/board", version = "dev-disable-dates")
 @JsModule("@vaadin/board/src/vaadin-board.js")
 @Deprecated(since = "25.0", forRemoval = true)
 public class Board extends Component

vaadin-board-flow-parent/vaadin-board-flow/src/main/java/com/vaadin/flow/component/board/Row.java

@@ -31,7 +31,7 @@
  * @since 2.0.1
  */
 @Tag("vaadin-board-row")
-@NpmPackage(value = "@vaadin/board", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/board", version = "dev-disable-dates")
 @JsModule("@vaadin/board/src/vaadin-board-row.js")
 @Deprecated(since = "25.0", forRemoval = true)
 public class Row extends Component

vaadin-breadcrumbs-flow-parent/vaadin-breadcrumbs-flow/src/main/java/com/vaadin/flow/component/breadcrumbs/Breadcrumbs.java

@@ -63,7 +63,7 @@
  * @since 25.2
  */
 @Tag("vaadin-breadcrumbs")
-@NpmPackage(value = "@vaadin/breadcrumbs", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/breadcrumbs", version = "dev-disable-dates")
 @JsModule("@vaadin/breadcrumbs/src/vaadin-breadcrumbs.js")
 public class Breadcrumbs extends Component implements HasSize, HasStyle,
         HasAriaLabel, HasComponentsOfType<BreadcrumbsItem>,

vaadin-breadcrumbs-flow-parent/vaadin-breadcrumbs-flow/src/main/java/com/vaadin/flow/component/breadcrumbs/BreadcrumbsItem.java

@@ -47,7 +47,7 @@
  * @since 25.2
  */
 @Tag("vaadin-breadcrumbs-item")
-@NpmPackage(value = "@vaadin/breadcrumbs", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/breadcrumbs", version = "dev-disable-dates")
 @JsModule("@vaadin/breadcrumbs/src/vaadin-breadcrumbs-item.js")
 public class BreadcrumbsItem extends Component
         implements HasText, HasEnabled, HasPrefix {

vaadin-button-flow-parent/vaadin-button-flow/src/main/java/com/vaadin/flow/component/button/Button.java

@@ -57,7 +57,7 @@
  * @since 1.0
  */
 @Tag("vaadin-button")
-@NpmPackage(value = "@vaadin/button", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/button", version = "dev-disable-dates")
 @JsModule("@vaadin/button/src/vaadin-button.js")
 public class Button extends Component
         implements ClickNotifier<Button>, Focusable<Button>, HasAriaLabel,

vaadin-card-flow-parent/vaadin-card-flow/src/main/java/com/vaadin/flow/component/card/Card.java

@@ -40,7 +40,7 @@
  * @since 24.7
  */
 @Tag("vaadin-card")
-@NpmPackage(value = "@vaadin/card", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/card", version = "dev-disable-dates")
 @JsModule("@vaadin/card/src/vaadin-card.js")
 public class Card extends Component implements HasSize, HasAriaLabel,
         HasAriaRole, HasComponents, HasThemeVariant<CardVariant> {

vaadin-charts-flow-parent/vaadin-charts-flow/src/main/java/com/vaadin/flow/component/charts/Chart.java

@@ -90,7 +90,7 @@
  * @since 6.0.1
  */
 @Tag("vaadin-chart")
-@NpmPackage(value = "@vaadin/charts", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/charts", version = "dev-disable-dates")
 @JsModule("@vaadin/charts/src/vaadin-chart.js")
 public class Chart extends Component implements HasStyle, HasSize, HasTheme {
 

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/main/java/com/vaadin/flow/component/checkbox/Checkbox.java

@@ -82,7 +82,7 @@
  * @since 1.0
  */
 @Tag("vaadin-checkbox")
-@NpmPackage(value = "@vaadin/checkbox", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/checkbox", version = "dev-disable-dates")
 @JsModule("@vaadin/checkbox/src/vaadin-checkbox.js")
 public class Checkbox extends AbstractSinglePropertyField<Checkbox, Boolean>
         implements ClickNotifier<Checkbox>, Focusable<Checkbox>, HasAriaLabel,

vaadin-checkbox-flow-parent/vaadin-checkbox-flow/src/main/java/com/vaadin/flow/component/checkbox/CheckboxGroup.java

@@ -112,7 +112,7 @@
  * @since 1.1
  */
 @Tag("vaadin-checkbox-group")
-@NpmPackage(value = "@vaadin/checkbox-group", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/checkbox-group", version = "dev-disable-dates")
 @JsModule("@vaadin/checkbox-group/src/vaadin-checkbox-group.js")
 public class CheckboxGroup<T>
         extends AbstractSinglePropertyField<CheckboxGroup<T>, Set<T>>

vaadin-combo-box-flow-parent/vaadin-combo-box-flow/src/main/java/com/vaadin/flow/component/combobox/ComboBox.java

@@ -89,7 +89,7 @@
  * @since 1.0
  */
 @Tag("vaadin-combo-box")
-@NpmPackage(value = "@vaadin/combo-box", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/combo-box", version = "dev-disable-dates")
 @JsModule("@vaadin/combo-box/src/vaadin-combo-box.js")
 @JsModule("./flow-component-renderer.js")
 @JsModule("./comboBoxConnector.js")

vaadin-combo-box-flow-parent/vaadin-combo-box-flow/src/main/java/com/vaadin/flow/component/combobox/MultiSelectComboBox.java

@@ -98,7 +98,7 @@
  * @since 23.2
  */
 @Tag("vaadin-multi-select-combo-box")
-@NpmPackage(value = "@vaadin/multi-select-combo-box", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/multi-select-combo-box", version = "dev-disable-dates")
 @JsModule("@vaadin/multi-select-combo-box/src/vaadin-multi-select-combo-box.js")
 @JsModule("./flow-component-renderer.js")
 @JsModule("./comboBoxConnector.js")

vaadin-confirm-dialog-flow-parent/vaadin-confirm-dialog-flow/src/main/java/com/vaadin/flow/component/confirmdialog/ConfirmDialog.java

@@ -64,7 +64,7 @@
  * @since 1.0
  */
 @Tag("vaadin-confirm-dialog")
-@NpmPackage(value = "@vaadin/confirm-dialog", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/confirm-dialog", version = "dev-disable-dates")
 @JsModule("@vaadin/confirm-dialog/src/vaadin-confirm-dialog.js")
 @ModalRoot
 public class ConfirmDialog extends Component

vaadin-context-menu-flow-parent/vaadin-context-menu-flow/src/main/java/com/vaadin/flow/component/contextmenu/ContextMenuBase.java

@@ -57,8 +57,8 @@
  */
 @SuppressWarnings("serial")
 @Tag("vaadin-context-menu")
-@NpmPackage(value = "@vaadin/context-menu", version = "25.3.0-alpha2")
-@NpmPackage(value = "@vaadin/tooltip", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/context-menu", version = "dev-disable-dates")
+@NpmPackage(value = "@vaadin/tooltip", version = "dev-disable-dates")
 @JsModule("@vaadin/context-menu/src/vaadin-context-menu.js")
 @JsModule("@vaadin/tooltip/src/vaadin-tooltip.js")
 @JsModule("./flow-component-renderer.js")

vaadin-crud-flow-parent/vaadin-crud-flow/src/main/java/com/vaadin/flow/component/crud/Crud.java

@@ -49,7 +49,7 @@
  * @since 1.0
  */
 @Tag("vaadin-crud")
-@NpmPackage(value = "@vaadin/crud", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/crud", version = "dev-disable-dates")
 @JsModule("@vaadin/crud/src/vaadin-crud.js")
 @JsModule("@vaadin/crud/src/vaadin-crud-edit-column.js")
 public class Crud<E> extends Component implements HasSize, HasTheme, HasStyle {

vaadin-custom-field-flow-parent/vaadin-custom-field-flow/src/main/java/com/vaadin/flow/component/customfield/CustomField.java

@@ -47,7 +47,7 @@
  * @since 1.0
  */
 @Tag("vaadin-custom-field")
-@NpmPackage(value = "@vaadin/custom-field", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/custom-field", version = "dev-disable-dates")
 @JsModule("@vaadin/custom-field/src/vaadin-custom-field.js")
 public abstract class CustomField<T> extends AbstractField<CustomField<T>, T>
         implements Focusable<CustomField<T>>,

vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/Dashboard.java

@@ -62,7 +62,7 @@
 @Tag("vaadin-dashboard")
 @JsModule("@vaadin/dashboard/src/vaadin-dashboard.js")
 @JsModule("./flow-component-renderer.js")
-@NpmPackage(value = "@vaadin/dashboard", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/dashboard", version = "dev-disable-dates")
 public class Dashboard extends Component
         implements HasWidgets, HasSize, HasThemeVariant<DashboardVariant> {
 

vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/DashboardSection.java

@@ -36,7 +36,7 @@
  */
 @Tag("vaadin-dashboard-section")
 @JsModule("@vaadin/dashboard/src/vaadin-dashboard-section.js")
-@NpmPackage(value = "@vaadin/dashboard", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/dashboard", version = "dev-disable-dates")
 public class DashboardSection extends Component implements HasWidgets {
 
     private final List<DashboardWidget> widgets = new ArrayList<>();

vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/DashboardWidget.java

@@ -28,7 +28,7 @@
  */
 @Tag("vaadin-dashboard-widget")
 @JsModule("@vaadin/dashboard/src/vaadin-dashboard-widget.js")
-@NpmPackage(value = "@vaadin/dashboard", version = "25.3.0-alpha2")
+@NpmPackage(value = "@vaadin/dashboard", version = "dev-disable-dates")
 public class DashboardWidget extends Component {
 
     private int colspan = 1;

vaadin-date-picker-flow-parent/vaadin-date-picker-flow-integration-tests/src/main/java/com/vaadin/flow/component/datepicker/DatePickerDisabledDatesPage.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2000-2026 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.flow.component.datepicker;
+
+import java.time.LocalDate;
+import java.util.List;
+
+import com.vaadin.flow.component.datepicker.DatePicker.DatePickerI18n;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.Paragraph;
+import com.vaadin.flow.router.Route;
+
+/**
+ * Test page for a date picker that combines the two disabled-dates APIs: a
+ * fixed list of disabled dates and a per-date provider. January 2023 is shown,
+ * with January 10th and 20th disabled through the fixed list, and the 15th of
+ * every month disabled through the provider.
+ */
+@Route("vaadin-date-picker/date-picker-disabled-dates")
+public class DatePickerDisabledDatesPage extends Div {
+
+    public static final int PROVIDER_DISABLED_DAY = 15;
+    public static final List<LocalDate> FIXED_DISABLED_DATES = List
+            .of(LocalDate.of(2023, 1, 10), LocalDate.of(2023, 1, 20));
+
+    public DatePickerDisabledDatesPage() {
+        DatePicker datePicker = new DatePicker();
+        datePicker.setId("date-picker");
+        datePicker.setI18n(new DatePickerI18n()
+                .setDateDisabledErrorMessage("Date is not available"));
+        // Show January 2023 when the overlay opens.
+        datePicker.setValue(LocalDate.of(2023, 1, 5));
+
+        // Fixed list of already-booked dates.
+        datePicker.setDisabledDates(FIXED_DISABLED_DATES);
+        // Provider: the 15th of every month.
+        datePicker.setDisabledDatesProvider(date -> {
+            System.out.println("Checking " + date);
+            return date.getDayOfMonth() == PROVIDER_DISABLED_DAY;
+        });
+
+        add(new Paragraph(
+                "Disabled: January 10 and 20, 2023 (fixed list); the 15th of every month (provider)."),
+                datePicker);
+    }
+}

vaadin-date-picker-flow-parent/vaadin-date-picker-flow-integration-tests/src/test/java/com/vaadin/flow/component/datepicker/DatePickerDisabledDatesIT.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2000-2026 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.flow.component.datepicker;
+
+import java.time.LocalDate;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.vaadin.flow.component.datepicker.testbench.DatePickerElement;
+import com.vaadin.flow.component.datepicker.testbench.DatePickerElement.MonthCalendarElement;
+import com.vaadin.flow.testutil.TestPath;
+import com.vaadin.tests.AbstractComponentIT;
+
+@TestPath("vaadin-date-picker/date-picker-disabled-dates")
+public class DatePickerDisabledDatesIT extends AbstractComponentIT {
+
+    private DatePickerElement datePicker;
+
+    @Before
+    public void init() {
+        open();
+        datePicker = $(DatePickerElement.class).id("date-picker");
+    }
+
+    @Test
+    public void openOverlay_fixedAndProviderDatesAreDisabled() {
+        datePicker.open();
+
+        MonthCalendarElement january = getJanuary2023();
+        // The provider resolves asynchronously; wait for the 15th to become
+        // disabled once the result arrives.
+        waitUntil(driver -> january.isDateDisabled(
+                DatePickerDisabledDatesPage.PROVIDER_DISABLED_DAY));
+
+        // Fixed disabled dates (January 10 and 20).
+        Assert.assertTrue("January 10 (fixed) should be disabled",
+                january.isDateDisabled(10));
+        Assert.assertTrue("January 20 (fixed) should be disabled",
+                january.isDateDisabled(20));
+        Assert.assertFalse("An unaffected date should remain enabled",
+                january.isDateDisabled(
+                        DatePickerDisabledDatesPage.PROVIDER_DISABLED_DAY + 1));
+    }
+
+    @Test
+    public void selectProviderDisabledDate_fieldIsInvalid() {
+        datePicker.setDate(LocalDate.of(2023, 1,
+                DatePickerDisabledDatesPage.PROVIDER_DISABLED_DAY));
+        Assert.assertTrue("A provider-disabled date should be invalid",
+                datePicker.getPropertyBoolean("invalid"));
+
+        datePicker.setDate(LocalDate.of(2023, 1,
+                DatePickerDisabledDatesPage.PROVIDER_DISABLED_DAY + 1));
+        Assert.assertFalse("An enabled date should be valid",
+                datePicker.getPropertyBoolean("invalid"));
+    }
+
+    @Test
+    public void selectFixedDisabledDate_fieldIsInvalid() {
+        datePicker.setDate(LocalDate.of(2023, 1, 10));
+        Assert.assertTrue("A fixed disabled date should be invalid",
+                datePicker.getPropertyBoolean("invalid"));
+
+        datePicker.setDate(LocalDate.of(2023, 1, 11));
+        Assert.assertFalse("An enabled date should be valid",
+                datePicker.getPropertyBoolean("invalid"));
+    }
+
+    private MonthCalendarElement getJanuary2023() {
+        return datePicker.getOverlayContent().getVisibleMonthCalendars()
+                .stream()
+                .filter(calendar -> "January 2023"
+                        .equals(calendar.getHeaderText()))
+                .findFirst().orElseThrow(() -> new AssertionError(
+                        "January 2023 month calendar not found"));
+    }
+}