diff --git a/addons/mail/__manifest__.py b/addons/mail/__manifest__.py
index f5b04c83bb6..affb4c00312 100644
--- a/addons/mail/__manifest__.py
+++ b/addons/mail/__manifest__.py
@@ -200,6 +200,7 @@
             'mail/static/src/utils/throttle/throttle.js',
             'mail/static/src/utils/timer/timer.js',
             'mail/static/src/utils/utils.js',
+            'mail/static/src/webclient/commands/command_category.js',
             'mail/static/src/widgets/discuss/discuss.js',
             'mail/static/src/widgets/discuss_invite_partner_dialog/discuss_invite_partner_dialog.js',
             'mail/static/src/widgets/form_renderer/form_renderer.js',
diff --git a/addons/mail/static/src/components/chatter_container/chatter_container.xml b/addons/mail/static/src/components/chatter_container/chatter_container.xml
index 94e0d210017..03266a5bd52 100644
--- a/addons/mail/static/src/components/chatter_container/chatter_container.xml
+++ b/addons/mail/static/src/components/chatter_container/chatter_container.xml
@@ -2,7 +2,7 @@
 <templates xml:space="preserve">
 
     <t t-name="mail.ChatterContainer" owl="1">
-        <div class="o_ChatterContainer">
+        <div class="o_ChatterContainer" data-command-category="mail">
             <t t-if="chatter">
                 <Chatter chatterLocalId="chatter.localId"/>
             </t>
diff --git a/addons/mail/static/src/components/chatter_topbar/chatter_topbar.xml b/addons/mail/static/src/components/chatter_topbar/chatter_topbar.xml
index fb1c03aae17..7e555d938fd 100644
--- a/addons/mail/static/src/components/chatter_topbar/chatter_topbar.xml
+++ b/addons/mail/static/src/components/chatter_topbar/chatter_topbar.xml
@@ -13,6 +13,8 @@
                                 'o-bordered': chatter.hasExternalBorder,
                             }"
                             t-att-disabled="chatter.isDisabled"
+                            title="Send a message"
+                            data-hotkey="m"
                             t-on-click="_onClickSendMessage"
                         >
                             Send message
@@ -25,12 +27,14 @@
                             }"
                             t-att-disabled="chatter.isDisabled"
                             t-on-click="_onClickLogNote"
+                            title="Log a note"
+                            data-hotkey="shift+m"
                         >
                             Log note
                         </button>
                     </t>
                     <t t-if="chatter.hasActivities">
-                        <button class="btn btn-link o_ChatterTopbar_button o_ChatterTopbar_buttonScheduleActivity" type="button" t-att-disabled="chatter.isDisabled" t-on-click="_onClickScheduleActivity">
+                        <button class="btn btn-link o_ChatterTopbar_button o_ChatterTopbar_buttonScheduleActivity" type="button" t-att-disabled="chatter.isDisabled" t-on-click="_onClickScheduleActivity" title="Schedule an activity" data-hotkey="shift+a">
                             <i class="fa fa-clock-o"/>
                             Schedule activity
                         </button>
diff --git a/addons/mail/static/src/components/messaging_menu/messaging_menu.scss b/addons/mail/static/src/components/messaging_menu/messaging_menu.scss
index 0f03eb25f4f..ad9e3a144a3 100644
--- a/addons/mail/static/src/components/messaging_menu/messaging_menu.scss
+++ b/addons/mail/static/src/components/messaging_menu/messaging_menu.scss
@@ -37,7 +37,7 @@
         * As a result, Min() is ignored by SCSS while CSS interprets as its min() function.
         */
         max-height: Min(calc(100vh - 140px), 630px);
-        z-index: 1100; // on top of chat windows
+        z-index: 1050; // on top of chat windows
     }
 
     &.o-mobile {
diff --git a/addons/mail/static/src/webclient/commands/command_category.js b/addons/mail/static/src/webclient/commands/command_category.js
new file mode 100644
index 00000000000..61dcf48c4df
--- /dev/null
+++ b/addons/mail/static/src/webclient/commands/command_category.js
@@ -0,0 +1,7 @@
+/** @odoo-module **/
+
+import { registry } from "@web/core/registry";
+import { _lt } from "@web/core/l10n/translation";
+
+const commandCategoryRegistry = registry.category("command_categories");
+commandCategoryRegistry.add("mail", { label: _lt("Discuss") }, { sequence: 20 });
diff --git a/addons/web/static/src/legacy/js/components/dropdown_menu.js b/addons/web/static/src/legacy/js/components/dropdown_menu.js
index daac4502716..d9e09d4495a 100644
--- a/addons/web/static/src/legacy/js/components/dropdown_menu.js
+++ b/addons/web/static/src/legacy/js/components/dropdown_menu.js
@@ -184,6 +184,8 @@ odoo.define('web.DropdownMenu', function (require) {
         },
         title: { type: String, optional: 1 },
         closeOnSelected: { type: Boolean, optional: 1 },
+        hotkey: { type: String, optional: 1 },
+        hotkeyTitle: { type: String, optional: 1 },
     };
     DropdownMenu.template = 'web.DropdownMenu';
 
diff --git a/addons/web/static/src/legacy/js/views/form/form_renderer.js b/addons/web/static/src/legacy/js/views/form/form_renderer.js
index 512b39dfe07..3608efe53b6 100644
--- a/addons/web/static/src/legacy/js/views/form/form_renderer.js
+++ b/addons/web/static/src/legacy/js/views/form/form_renderer.js
@@ -1139,7 +1139,7 @@ var FormRenderer = BasicRenderer.extend({
         this.$el.toggleClass('o_form_nosheet', !this.has_sheet);
         if (this.has_sheet) {
             this.$el.children().not('.o_FormRenderer_chatterContainer')
-                .wrapAll($('<div/>', {class: 'o_form_sheet_bg'}));
+                .wrapAll($('<div/>', {class: 'o_form_sheet_bg', 'data-command-category': "app"}));
         }
         this.$el.toggleClass('o_form_editable', this.mode === 'edit');
         this.$el.toggleClass('o_form_readonly', this.mode === 'readonly');
diff --git a/addons/web/static/src/legacy/xml/base.xml b/addons/web/static/src/legacy/xml/base.xml
index 932cc98fc79..e8c24225ec8 100644
--- a/addons/web/static/src/legacy/xml/base.xml
+++ b/addons/web/static/src/legacy/xml/base.xml
@@ -4,7 +4,7 @@
 <!-- Owl Templates -->
 
 <t t-name="web.ControlPanel" owl="1">
-    <div class="o_control_panel">
+    <div class="o_control_panel" data-command-category="actions">
         <div class="o_cp_top">
             <div class="o_cp_top_left">
                 <ol t-if="props.withBreadcrumbs" class="breadcrumb" role="navigation">
@@ -13,6 +13,7 @@
                         t-att-class="{ o_back_button: bc_index === props.breadcrumbs.length - 1 }"
                         t-att-accesskey="bc_last and 'b'"
                         t-on-click.prevent="trigger('breadcrumb-clicked', { controllerID: bc.controllerID })"
+                        title="Previous menu"
                         >
                         <a t-if="bc.title" href="#" t-esc="bc.title"/>
                         <em t-else="" class="text-warning">Unnamed</em>
@@ -159,6 +160,8 @@
             tabindex="-1"
             t-on-click="state.open = !state.open"
             t-on-keydown="_onButtonKeydown"
+            t-att-title="props.hotkeyTitle"
+            t-att-data-hotkey="props.hotkey"
             >
             <i t-if="icon" t-att-class="icon + ' small mr-1'"/>
             <span class="o_dropdown_title" t-esc="title"/>
@@ -545,8 +548,8 @@
                 class="fa fa-chevron-left btn btn-secondary o_pager_previous px-2 rounded-left"
                 t-att-disabled="state.disabled || singlePage"
                 t-att-accesskey="props.withAccessKey ? 'p' : false"
-                aria-label="Previous"
-                title="Previous"
+                aria-label="Previous page"
+                title="Previous page"
                 tabindex="-1"
                 t-on-click="_changeSelection(-1)"
             />
@@ -554,8 +557,8 @@
                 class="fa fa-chevron-right btn btn-secondary o_pager_next px-2 rounded-right"
                 t-att-disabled="state.disabled || singlePage"
                 t-att-accesskey="props.withAccessKey ? 'n' : false"
-                aria-label="Next"
-                title="Next"
+                aria-label="Next page"
+                title="Next page"
                 tabindex="-1"
                 t-on-click="_changeSelection(1)"
             />
@@ -632,12 +635,16 @@
             title="env._t('Print')"
             items="printItems"
             icon="'fa fa-print'"
+            hotkey="'shift+u'"
+            hotkeyTitle="'Printing options'"
         />
         <DropdownMenu t-if="actionItems.length"
             title="env._t('Action')"
             items="actionItems"
             icon="'fa fa-cog'"
             closeOnSelected="true"
+            hotkey="'u'"
+            hotkeyTitle="'Additional actions'"
         />
     </div>
 </t>
@@ -824,14 +831,14 @@
 
 <t t-name="ListView.buttons">
     <div class="o_list_buttons d-flex" role="toolbar" aria-label="Main actions">
-        <button type="button" class="btn btn-primary o_list_button_save" accesskey="s">
+        <button type="button" class="btn btn-primary o_list_button_save" title="Save record" accesskey="s">
             Save
         </button>
-        <button type="button" class="btn btn-secondary o_list_button_discard" accesskey="j">
+        <button type="button" class="btn btn-secondary o_list_button_discard" title="Discard record" accesskey="j">
             Discard
         </button>
         <t t-if="widget.is_action_enabled('create')">
-            <button type="button" class="btn btn-primary o_list_button_add" accesskey="c">
+            <button type="button" class="btn btn-primary o_list_button_add" title="Create record" accesskey="c">
                 Create
             </button>
         </t>
@@ -887,21 +894,21 @@
 <t t-name="FormView.buttons">
     <div class="o_form_buttons_view" role="toolbar" aria-label="Main actions">
         <button t-if="widget.is_action_enabled('edit')" type="button"
-                class="btn btn-primary o_form_button_edit" accesskey="a">
+                class="btn btn-primary o_form_button_edit" title="Edit record" accesskey="a">
             Edit
         </button>
         <button t-if="widget.is_action_enabled('create')" type="button"
-                class="btn btn-secondary o_form_button_create" accesskey="c">
+                class="btn btn-secondary o_form_button_create" title="Create record" accesskey="c">
             Create
         </button>
     </div>
     <div class="o_form_buttons_edit" role="toolbar" aria-label="Main actions">
         <button type="button"
-                class="btn btn-primary o_form_button_save" accesskey="s">
+                class="btn btn-primary o_form_button_save" title="Save record" accesskey="s">
             Save
         </button>
         <button type="button"
-                class="btn btn-secondary o_form_button_cancel" accesskey="j">
+                class="btn btn-secondary o_form_button_cancel" title="Discard record" accesskey="j">
             Discard
         </button>
     </div>
diff --git a/addons/web/static/src/legacy/xml/kanban.xml b/addons/web/static/src/legacy/xml/kanban.xml
index b09011d8056..eaa549cabac 100644
--- a/addons/web/static/src/legacy/xml/kanban.xml
+++ b/addons/web/static/src/legacy/xml/kanban.xml
@@ -2,7 +2,7 @@
 
 <t t-name="KanbanView.buttons">
     <div>
-        <button t-if="!noCreate" type="button" t-attf-class="btn #{btnClass} o-kanban-button-new" accesskey="c">
+        <button t-if="!noCreate" type="button" t-attf-class="btn #{btnClass} o-kanban-button-new" title="Create record" accesskey="c">
             <t t-esc="create_text || _t('Create')"/>
         </button>
     </div>
diff --git a/addons/web/static/src/webclient/commands/command_category.js b/addons/web/static/src/webclient/commands/command_category.js
index 0c60e85c3df..a97fa5146f8 100644
--- a/addons/web/static/src/webclient/commands/command_category.js
+++ b/addons/web/static/src/webclient/commands/command_category.js
@@ -5,7 +5,6 @@ import { registry } from "../../core/registry";
 
 const commandCategoryRegistry = registry.category("command_categories");
 commandCategoryRegistry.add("app", { label: _lt("Current App Commands") }, { sequence: 10 });
-commandCategoryRegistry.add("mail", { label: _lt("Discuss") }, { sequence: 20 });
 commandCategoryRegistry.add("actions", { label: _lt("More Actions") }, { sequence: 30 });
 commandCategoryRegistry.add("navbar", { label: _lt("NavBar") }, { sequence: 40 });
 commandCategoryRegistry.add("default", { label: _lt("Other commands") }, { sequence: 100 });
diff --git a/addons/web/static/src/webclient/commands/command_palette.js b/addons/web/static/src/webclient/commands/command_palette.js
index c4429f8131e..7e714df6eb5 100644
--- a/addons/web/static/src/webclient/commands/command_palette.js
+++ b/addons/web/static/src/webclient/commands/command_palette.js
@@ -3,7 +3,6 @@
 import { registry } from "@web/core/registry";
 import { useAutofocus } from "../../core/autofocus_hook";
 import { isMacOS } from "../../core/browser/feature_detection";
-import { useEffect } from "../../core/effect_hook";
 import { useHotkey } from "../../core/hotkey_hook";
 import { scrollTo } from "../../core/utils/scrolling";
 
@@ -53,37 +52,9 @@ export class CommandPalette extends Component {
         useAutofocus();
 
         this.mouseSelectionActive = false;
-        useEffect(() => {
-            const index = this.state.commands.indexOf(this.state.selectedCommand);
-            const listbox = this.el.querySelector(".o_command_palette_listbox");
-            const command = listbox.querySelector(`#o_command_${index}`);
-            scrollTo(command, listbox);
-        });
-        useHotkey("Enter", () => {
-            this.executeSelectedCommand();
-        });
-        useHotkey(
-            "ArrowUp",
-            () => {
-                this.mouseSelectionActive = false;
-                const index = this.state.commands.indexOf(this.state.selectedCommand);
-                if (index > 0) {
-                    this.selectCommand(index - 1);
-                }
-            },
-            { allowRepeat: true }
-        );
-        useHotkey(
-            "ArrowDown",
-            () => {
-                this.mouseSelectionActive = false;
-                const index = this.state.commands.indexOf(this.state.selectedCommand);
-                if (index < this.state.commands.length - 1) {
-                    this.selectCommand(index + 1);
-                }
-            },
-            { allowRepeat: true }
-        );
+        useHotkey("Enter", () => this.executeSelectedCommand());
+        useHotkey("ArrowUp", () => this.selectCommandAndScrollTo("PREV"), { allowRepeat: true });
+        useHotkey("ArrowDown", () => this.selectCommandAndScrollTo("NEXT"), { allowRepeat: true });
 
         for (const command of this.initialCommands) {
             if (command.hotkey) {
@@ -128,6 +99,24 @@ export class CommandPalette extends Component {
         this.state.selectedCommand = this.state.commands[index];
     }
 
+    selectCommandAndScrollTo(type) {
+        // In case the mouse is on the palette command, it avoids the selection
+        // of a command caused by a scroll.
+        this.mouseSelectionActive = false;
+        const index = this.state.commands.indexOf(this.state.selectedCommand);
+        let nextIndex;
+        if (type === "NEXT") {
+            nextIndex = index < this.state.commands.length - 1 ? index + 1 : 0;
+        } else if (type === "PREV") {
+            nextIndex = index > 0 ? index - 1 : this.state.commands.length - 1;
+        }
+        this.selectCommand(nextIndex);
+
+        const listbox = this.el.querySelector(".o_command_palette_listbox");
+        const command = listbox.querySelector(`#o_command_${nextIndex}`);
+        scrollTo(command, listbox);
+    }
+
     onCommandClicked(index) {
         this.selectCommand(index);
         this.executeSelectedCommand();
diff --git a/addons/web/static/src/webclient/commands/command_palette.scss b/addons/web/static/src/webclient/commands/command_palette.scss
index ad338cc8538..43d35e8166f 100644
--- a/addons/web/static/src/webclient/commands/command_palette.scss
+++ b/addons/web/static/src/webclient/commands/command_palette.scss
@@ -16,7 +16,8 @@
     justify-content: space-between;
     background-color: white;
     border-bottom: 1px solid #ccc;
-    padding: 0.5rem 1em;
+    padding: 0.8rem 1em;
+    font-size: 1.5rem;
 
     input {
       border: none;
@@ -37,8 +38,9 @@
     }
 
     &_empty {
-      padding: 0.7rem 1em;
+      padding: 1rem 1.3em;
       line-height: 1.8em;
+      font-style: italic;
     }
 
     .o_command_category {
@@ -53,18 +55,19 @@
       display: flex;
       align-items: center;
       justify-content: space-between;
-      padding: 0.2rem 1em;
+      padding: 0.5rem 1.3em;
       position: relative;
       line-height: 1.8em;
+      height: 2.8em;
 
       &.focused {
-        background: $o-gray-200;
+        background: #00a09d26;
       }
 
       kbd {
         background-color: #f4f7f8;
         border-radius: 3px;
-        border: 1px solid #b4b4b4;
+        border: 1px solid #e5e5e5;
         $shadowvalue: 0px 1px 1px rgba(0, 0, 0, 0.2),
           inset 0px -1px 1px 1px rgba(230, 230, 230, 0.8),
           inset 0px 2px 0px 0px rgba(255, 255, 255, 0.8);
diff --git a/addons/web/static/src/webclient/commands/command_palette.xml b/addons/web/static/src/webclient/commands/command_palette.xml
index ab839f4165d..297a2674b88 100644
--- a/addons/web/static/src/webclient/commands/command_palette.xml
+++ b/addons/web/static/src/webclient/commands/command_palette.xml
@@ -14,7 +14,7 @@
 
         <t t-foreach="categories" t-as="category">
 
-          <div class="o_command_category">
+          <div class="o_command_category" t-att-aria-label="category.label">
 
             <t t-foreach="category.commands" t-as="command">
               <t t-set="commandIndex" t-value="state.commands.indexOf(command)" />
diff --git a/addons/web/static/src/webclient/commands/command_service.js b/addons/web/static/src/webclient/commands/command_service.js
index 969ecfd010e..f490182bd01 100644
--- a/addons/web/static/src/webclient/commands/command_service.js
+++ b/addons/web/static/src/webclient/commands/command_service.js
@@ -1,6 +1,7 @@
 /** @odoo-module **/
 
 import { registry } from "../../core/registry";
+import { capitalize } from "../../core/utils/strings";
 import { CommandPaletteDialog } from "./command_palette_dialog";
 
 /**
@@ -47,12 +48,13 @@ export const commandService = {
 
                 const description =
                     el.title ||
+                    el.dataset.originalTitle || // LEGACY: bootstrap moves title to data-original-title
                     el.placeholder ||
                     (el.innerText &&
                         `${el.innerText.slice(0, 50)}${el.innerText.length > 50 ? "..." : ""}`) ||
                     "no description provided";
                 commands.push({
-                    name: description,
+                    name: capitalize(description.trim().toLowerCase()),
                     hotkey: `${overlayModifier}+${el.dataset.hotkey}`,
                     action: () => {
                         // AAB: not sure it is enough, we might need to trigger all events that occur when you actually click
diff --git a/addons/web/static/tests/webclient/commands/command_service_tests.js b/addons/web/static/tests/webclient/commands/command_service_tests.js
index 4ce85fa7d8e..3dfbef016fa 100644
--- a/addons/web/static/tests/webclient/commands/command_service_tests.js
+++ b/addons/web/static/tests/webclient/commands/command_service_tests.js
@@ -153,7 +153,7 @@ QUnit.test("data-hotkey added to command palette", async (assert) => {
     assert.containsN(target, ".o_command", 2);
     assert.deepEqual(
         [...target.querySelectorAll(".o_command span:first-child")].map((el) => el.textContent),
-        ["Aria Stark", "Bran Stark"]
+        ["Aria stark", "Bran stark"]
     );
 
     // Click on first command
@@ -296,6 +296,51 @@ QUnit.test("can be searched", async (assert) => {
     );
 });
 
+QUnit.test("navigate in the command palette with the arrows", async (assert) => {
+    assert.expect(6);
+
+    testComponent = await mount(TestComponent, { env, target });
+
+    // Register some commands
+    function action() {}
+    const names = ["Cersei", "Jaime", "Tyrion"];
+    for (const name of names) {
+        env.services.command.add(name, action);
+    }
+
+    // Open palette
+    triggerHotkey("control+k");
+    await nextTick();
+
+    let focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[0]);
+
+    triggerHotkey("arrowdown");
+    await nextTick();
+    focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[1]);
+
+    triggerHotkey("arrowdown");
+    await nextTick();
+    focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[2]);
+
+    triggerHotkey("arrowdown");
+    await nextTick();
+    focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[0]);
+
+    triggerHotkey("arrowup");
+    await nextTick();
+    focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[2]);
+
+    triggerHotkey("arrowup");
+    await nextTick();
+    focusedCommand = target.querySelector(".o_command.focused");
+    assert.strictEqual(focusedCommand.textContent, names[1]);
+});
+
 QUnit.test("command categories", async (assert) => {
     testComponent = await mount(TestComponent, { env, target });
 
@@ -348,7 +393,7 @@ QUnit.test("data-command-category", async (assert) => {
                 ".o_command_category:nth-of-type(1) .o_command > span:first-child"
             ),
         ].map((el) => el.textContent),
-        ["Robert Baratheon", "Joffrey Baratheon"]
+        ["Robert baratheon", "Joffrey baratheon"]
     );
     assert.deepEqual(
         [
@@ -356,7 +401,7 @@ QUnit.test("data-command-category", async (assert) => {
                 ".o_command_category:nth-of-type(2) .o_command > span:first-child"
             ),
         ].map((el) => el.textContent),
-        ["Aria Stark", "Bran Stark"]
+        ["Aria stark", "Bran stark"]
     );
 });
 
diff --git a/addons/web_editor/views/snippets.xml b/addons/web_editor/views/snippets.xml
index d967d7a3f86..7295f10bde5 100644
--- a/addons/web_editor/views/snippets.xml
+++ b/addons/web_editor/views/snippets.xml
@@ -9,8 +9,8 @@
         <form class="ml-auto">
             <!-- Uncomment the following line when the mobile preview will be available. -->
             <!-- <button type="button" class="btn btn-secondary" name="mobile" data-action="mobilePreview"><i class="fa fa-mobile"></i></button> -->
-            <button type="button" class="btn btn-secondary" data-action="cancel" accesskey="j">Discard</button>
-            <button type="button" class="btn btn-primary" data-action="save" accesskey="s">Save</button>
+            <button type="button" class="btn btn-secondary" data-action="cancel" title="Discard record" accesskey="j">Discard</button>
+            <button type="button" class="btn btn-primary" data-action="save" title="Save record" accesskey="s">Save</button>
         </form>
     </div>
     <div id="snippets_menu">