diff --git a/frontend/src/components/home/Navigation.vue b/frontend/src/components/home/Navigation.vue
index cd390a8c0..dd6fffed8 100644
--- a/frontend/src/components/home/Navigation.vue
+++ b/frontend/src/components/home/Navigation.vue
@@ -76,38 +76,32 @@
 			v-if="projectStore.isLoading"
 			variant="small"
 		/>
-		<template v-else>
-			<nav
-				v-if="favoriteProjects"
-				class="menu"
-			>
-				<ProjectsNavigation
-					:model-value="favoriteProjects" 
-					:can-edit-order="false"
-					:can-collapse="false"
-				/>
-			</nav>
-			
-			<nav
-				v-if="savedFilterProjects"
-				class="menu"
-			>
-				<ProjectsNavigation
-					:model-value="savedFilterProjects"
-					:can-edit-order="false"
-					:can-collapse="false"
-				/>
-			</nav>
+		<nav
+			v-else
+			class="menu"
+		>
+			<ProjectsNavigation
+				v-if="favoriteProjects?.length"
+				:model-value="favoriteProjects" 
+				:can-edit-order="false"
+				:can-collapse="false"
+			/>
 
-			<nav class="menu">
-				<ProjectsNavigation
-					:model-value="projects"
-					:can-edit-order="true"
-					:can-collapse="true"
-					:level="1"
-				/>
-			</nav>
-		</template>
+			<ProjectsNavigation
+				v-if="savedFilterProjects?.length"
+				:model-value="savedFilterProjects"
+				:can-edit-order="false"
+				:can-collapse="false"
+			/>
+
+			<ProjectsNavigation
+				v-if="projects?.length"
+				:model-value="projects"
+				:can-edit-order="true"
+				:can-collapse="true"
+				:level="1"
+			/>
+		</nav>
 
 		<PoweredByLink
 			class="mt-auto"
@@ -117,7 +111,7 @@
 </template>
 
 <script setup lang="ts">
-import {computed} from 'vue'
+import { storeToRefs } from 'pinia'
 
 import PoweredByLink from '@/components/home/PoweredByLink.vue'
 import Logo from '@/components/home/Logo.vue'
@@ -129,16 +123,15 @@ import ProjectsNavigation from '@/components/home/ProjectsNavigation.vue'
 
 const baseStore = useBaseStore()
 const projectStore = useProjectStore()
-
-const projects = computed(() => projectStore.notArchivedRootProjects)
-const favoriteProjects = computed(() => projectStore.favoriteProjects)
-const savedFilterProjects = computed(() => projectStore.savedFilterProjects)
+const {
+	notArchivedRootProjects: projects,
+	favoriteProjects,
+	savedFilterProjects,
+} = storeToRefs(projectStore)
 </script>
 
 <style lang="scss" scoped>
 .logo {
-	display: block;
-
 	padding-left: 1rem;
 	margin-right: 1rem;
 	margin-bottom: 1rem;
@@ -192,7 +185,7 @@ const savedFilterProjects = computed(() => projectStore.savedFilterProjects)
 	}
 }
 
-.menu + .menu {
+.menu-list + .menu-list {
 	padding-top: math.div($navbar-padding, 2);
 }
 </style>
diff --git a/frontend/src/components/home/ProjectsNavigationItem.vue b/frontend/src/components/home/ProjectsNavigationItem.vue
index 68d0757cb..86d6737bf 100644
--- a/frontend/src/components/home/ProjectsNavigationItem.vue
+++ b/frontend/src/components/home/ProjectsNavigationItem.vue
@@ -84,12 +84,14 @@
 
 <script setup lang="ts">
 import {computed} from 'vue'
-import {useProjectStore} from '@/stores/projects'
-import {useBaseStore} from '@/stores/base'
+import {storeToRefs} from 'pinia'
 import {useStorage} from '@vueuse/core'
 
 import type {IProject} from '@/modelTypes/IProject'
 
+import {useProjectStore} from '@/stores/projects'
+import {useBaseStore} from '@/stores/base'
+
 import BaseButton from '@/components/base/BaseButton.vue'
 import ProjectSettingsDropdown from '@/components/project/ProjectSettingsDropdown.vue'
 import {getProjectTitle} from '@/helpers/getProjectTitle'
@@ -105,18 +107,17 @@ const props = defineProps<{
 
 const projectStore = useProjectStore()
 const baseStore = useBaseStore()
-const currentProject = computed(() => baseStore.currentProject)
+const {currentProject} = storeToRefs(baseStore)
 
 // Persist open state across browser reloads. Using a separate ref for the state 
 // allows us to use only one entry in local storage instead of one for every project id.
-type OpenState = { [key: number]: boolean }
-const childProjectsOpenState = useStorage<OpenState>('navigation-child-projects-open', {})
+const childProjectsCollapsed = useStorage<{ [key: number]: boolean }>('navigation-child-projects-collapsed', {})
 const childProjectsOpen = computed({
 	get() {
-		return childProjectsOpenState.value[props.project.id] ?? true
+		return childProjectsCollapsed.value[props.project.id] ?? true
 	},
 	set(open) {
-		childProjectsOpenState.value[props.project.id] = open
+		childProjectsCollapsed.value[props.project.id] = open
 	},
 })
 
diff --git a/frontend/src/components/project/views/ProjectKanban.vue b/frontend/src/components/project/views/ProjectKanban.vue
index 3d2ff48d5..ed6919782 100644
--- a/frontend/src/components/project/views/ProjectKanban.vue
+++ b/frontend/src/components/project/views/ProjectKanban.vue
@@ -416,10 +416,7 @@ watch(
 		collapsedBuckets.value = getCollapsedBucketState(projectId)
 		kanbanStore.loadBucketsForProject(projectId, viewId, params)
 	},
-	{
-		immediate: true,
-		deep: true,
-	},
+	{ immediate: true },
 )
 
 function setTaskContainerRef(id: IBucket['id'], el: HTMLElement) {
diff --git a/frontend/src/composables/useTask.ts b/frontend/src/composables/useTask.ts
new file mode 100644
index 000000000..ad5f6dd10
--- /dev/null
+++ b/frontend/src/composables/useTask.ts
@@ -0,0 +1,223 @@
+import { ref, reactive, computed, type MaybeRefOrGetter, toValue, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useRouter } from 'vue-router'
+import { klona } from 'klona/lite'
+
+import type { ITask } from '@/modelTypes/ITask'
+import type { IProject } from '@/modelTypes/IProject'
+import type { Priority } from '@/constants/priorities'
+import type {Action as MessageAction} from '@/message'
+
+import TaskModel from '@/models/task'
+
+import { useTaskStore } from '@/stores/tasks'
+import { useProjectStore } from '@/stores/projects'
+import { useKanbanStore } from '@/stores/kanban'
+import { useBaseStore } from '@/stores/base'
+
+import { RIGHTS } from '@/constants/rights'
+import { success } from '@/message'
+import { playPopSound } from '@/helpers/playPop'
+import { TASK_REPEAT_MODES } from '@/types/IRepeatMode'
+import { shallowReactive } from 'vue'
+import TaskService from '@/services/task'
+import { useAttachmentStore } from '@/stores/attachments'
+import { storeToRefs } from 'pinia'
+import { getProjectTitle } from '@/helpers/getProjectTitle'
+import { uploadFile } from '@/helpers/attachments'
+
+export function useTask(taskId: MaybeRefOrGetter<ITask['id']>) {
+	const {t} = useI18n()
+	const router = useRouter()
+	const taskStore = useTaskStore()
+
+	const taskTitle = ref('')
+
+	// We doubled the task color property here because verte does not have a real change property, leading
+	// to the color property change being triggered when the # is removed from it, leading to an update,
+	// which leads in turn to a change... This creates an infinite loop in which the task is updated, changed,
+	// updated, changed, updated and so on.
+	// To prevent this, we put the task color property in a seperate value which is set to the task color
+	// when it is saved and loaded.
+	const taskColor = ref<ITask['hexColor']>('')
+
+	const task = reactive({
+		...new TaskModel(),
+		title: taskTitle,
+	}) as ITask
+
+	const taskService = shallowReactive(new TaskService())
+
+	/** Avoid flashing of empty elements if the task content is not yet loaded. */
+	const isReady = ref(false)
+
+	const isLoading = computed(() => taskService.loading)
+
+	// load task
+	watch(
+		() => toValue(taskId),
+		async (newTaskId) => {
+			if (newTaskId === undefined) {
+				return
+			}
+	
+			try {
+				const loaded = await taskService.get({ id: newTaskId })
+				Object.assign(task, loaded)
+				attachmentStore.set(task.attachments)
+				taskColor.value = task.hexColor
+				setActiveFields()
+			} finally {
+				isReady.value = true
+			}
+		},
+		{immediate: true},
+	)
+
+	const canWrite = computed(() => (
+		task.maxRight !== null &&
+		task.maxRight > RIGHTS.READ
+	))
+
+	const projectStore = useProjectStore()
+
+	const project = computed(() => projectStore.projects[task.projectId])
+
+	const ancestorProjects = computed(() => projectStore.getAncestors(project.value))
+
+	const ancestorProjectTitles = computed(() => ancestorProjects.value.map(project => getProjectTitle(project)))
+
+	const attachmentStore = useAttachmentStore()
+	const {hasAttachments} = storeToRefs(attachmentStore)
+
+    async function saveTask(
+        currentTask: ITask | null = null,
+        undoCallback?: () => void,
+    ) {
+        if (currentTask === null) {
+            currentTask = klona(task)
+        }
+    
+        if (!canWrite.value) {
+            return
+        }
+    
+        currentTask.hexColor = taskColor.value
+    
+        // If no end date is being set, but a start date and due date,
+        // use the due date as the end date
+        if (
+            currentTask.endDate === null &&
+            currentTask.startDate !== null &&
+            currentTask.dueDate !== null
+        ) {
+            currentTask.endDate = currentTask.dueDate
+        }
+    
+        const updatedTask = await taskStore.update(currentTask) // TODO: markraw ?
+        Object.assign(task, updatedTask)
+        setActiveFields()
+    
+        let actions: MessageAction[] = []
+        if (undoCallback) {
+            actions = [{
+                title: t('task.undo'),
+                callback: undoCallback,
+            }]
+        }
+        success({message: t('task.detail.updateSuccess')}, actions)
+    }
+
+	async function deleteTask() {
+		await taskStore.delete(task)
+		success({message: t('task.detail.deleteSuccess')})
+		return router.push({name: 'project.index', params: {projectId: task.projectId}})
+	}
+
+	function uploadAttachment(file: File, onSuccess?: (url: string) => void) {
+		return uploadFile(toValue(taskId), file, onSuccess)
+	}
+
+	async function toggleTaskDone() {
+		const newTask = {
+			...klona(task),
+			done: !task.done,
+		}
+	
+		if (newTask.done) {
+			playPopSound()
+		}
+	
+		await saveTask(
+			newTask,
+			toggleTaskDone,
+		)
+	}
+
+	async function changeProject(project: IProject) {
+		const kanbanStore = useKanbanStore()
+		const baseStore = useBaseStore()
+		kanbanStore.removeTaskInBucket(task)
+		await saveTask({
+			...task,
+			projectId: project.id,
+		})
+		baseStore.setCurrentProject(project)
+	}
+
+	async function toggleFavorite() {
+		const newTask = await taskStore.toggleFavorite(task)
+		Object.assign(task, newTask)
+	}
+
+	async function setPriority(priority: Priority) {
+		const newTask: ITask = {
+			...task,
+			priority,
+		}
+	
+		return saveTask(newTask)
+	}
+	
+	async function setPercentDone(percentDone: number) {
+		const newTask: ITask = {
+			...task,
+			percentDone,
+		}
+	
+		return saveTask(newTask)
+	}
+	
+	async function removeRepeatAfter() {
+		task.repeatAfter.amount = 0
+		task.repeatMode = TASK_REPEAT_MODES.REPEAT_MODE_DEFAULT
+		await saveTask()
+	}
+
+    return {
+		project,
+		ancestorProjects,
+		ancestorProjectTitles,
+
+		isReady,
+		isLoading,
+
+		task,
+		taskTitle,
+		taskColor,
+
+		canWrite,
+		hasAttachments,
+
+		saveTask,
+		deleteTask,
+		uploadAttachment,
+		
+		toggleTaskDone,
+		changeProject,
+		toggleFavorite,
+		setPriority,
+		setPercentDone,
+		removeRepeatAfter,
+    }
+}
\ No newline at end of file
diff --git a/frontend/src/views/project/settings/ProjectSettingsDelete.vue b/frontend/src/views/project/settings/ProjectSettingsDelete.vue
index 74512eee7..bd18eca56 100644
--- a/frontend/src/views/project/settings/ProjectSettingsDelete.vue
+++ b/frontend/src/views/project/settings/ProjectSettingsDelete.vue
@@ -32,7 +32,7 @@
 </template>
 
 <script setup lang="ts">
-import {computed, ref, watchEffect} from 'vue'
+import {computed, shallowReactive, watchEffect} from 'vue'
 import {useTitle} from '@/composables/useTitle'
 import {useI18n} from 'vue-i18n'
 import {useRoute, useRouter} from 'vue-router'
@@ -46,36 +46,45 @@ const projectStore = useProjectStore()
 const route = useRoute()
 const router = useRouter()
 
-const totalTasks = ref<number | null>(null)
+const projectId = computed(() => Number(route.params.projectId))
 
-const project = computed(() => projectStore.projects[route.params.projectId])
-const projectIdsToDelete = ref<number[]>([])
+const project = computed(() => projectStore.projects[projectId.value])
 
+const projectIdsToDelete = computed(() => {
+	if (!projectId.value) {
+		return []
+	}
+
+	return [
+		...projectStore
+			.getChildProjects(projectId.value)
+			.map(p => p.id),
+		projectId.value,
+	]
+})
+
+const taskService = shallowReactive(new TaskService())
 watchEffect(
 	async () => {
-		if (!route.params.projectId) {
+		if (!projectIdsToDelete.value.length) {
 			return
 		}
 
-		projectIdsToDelete.value = projectStore
-			.getChildProjects(parseInt(route.params.projectId))
-			.map(p => p.id)
 
-		projectIdsToDelete.value.push(parseInt(route.params.projectId))
-
-		const taskService = new TaskService()
 		await taskService.getAll({}, {filter: `project in ${projectIdsToDelete.value.join(',')}`})
-		totalTasks.value = taskService.totalPages * taskService.resultCount
 	},
 )
+const totalTasks = computed(() => taskService.totalPages * taskService.resultCount)
 
 useTitle(() => t('project.delete.title', {project: project?.value?.title}))
 
 const deleteNotice = computed(() => {
-	if(totalTasks.value && totalTasks.value > 0) {
+	if (totalTasks.value && totalTasks.value > 0) {
 		if (projectIdsToDelete.value.length <= 1) {
 			return t('project.delete.tasksToDelete', {count: totalTasks.value})
-		} else if (projectIdsToDelete.value.length > 1) {
+		}
+		
+		if (projectIdsToDelete.value.length > 1) {
 			return t('project.delete.tasksAndChildProjectsToDelete', {tasks: totalTasks.value, projects: projectIdsToDelete.value.length})
 		}
 	}
diff --git a/frontend/src/views/tasks/TaskDetailView.vue b/frontend/src/views/tasks/TaskDetailView.vue
index 8c9a7e42d..c7e294c10 100644
--- a/frontend/src/views/tasks/TaskDetailView.vue
+++ b/frontend/src/views/tasks/TaskDetailView.vue
@@ -2,7 +2,7 @@
 	<div
 		class="loader-container task-view-container"
 		:class="{
-			'is-loading': taskService.loading || !isReady,
+			'is-loading': isLoading || !isReady,
 			'is-modal': isModal,
 		}"
 	>
@@ -24,7 +24,7 @@
 				class="subtitle"
 			>
 				<template
-					v-for="p in projectStore.getAncestors(project)"
+					v-for="p in ancestorProjects"
 					:key="p.id"
 				>
 					<a
@@ -117,7 +117,7 @@
 										:ref="e => setFieldRef('dueDate', e)"
 										v-model="task.dueDate"
 										:choose-date-label="$t('task.detail.chooseDueDate')"
-										:disabled="taskService.loading || !canWrite"
+										:disabled="isLoading || !canWrite"
 										@closeOnChange="saveTask()"
 									/>
 									<BaseButton
@@ -171,7 +171,7 @@
 										:ref="e => setFieldRef('startDate', e)"
 										v-model="task.startDate"
 										:choose-date-label="$t('task.detail.chooseStartDate')"
-										:disabled="taskService.loading || !canWrite"
+										:disabled="isLoading || !canWrite"
 										@closeOnChange="saveTask()"
 									/>
 									<BaseButton
@@ -204,7 +204,7 @@
 										:ref="e => setFieldRef('endDate', e)"
 										v-model="task.endDate"
 										:choose-date-label="$t('task.detail.chooseEndDate')"
-										:disabled="taskService.loading || !canWrite"
+										:disabled="isLoading || !canWrite"
 										@closeOnChange="saveTask()"
 									/>
 									<BaseButton
@@ -320,7 +320,7 @@
 						<Description
 							:model-value="task"
 							:can-write="canWrite"
-							:attachment-upload="attachmentUpload"
+							:attachment-upload="uploadAttachment"
 							@update:modelValue="Object.assign(task, $event)"
 						/>
 					</div>
@@ -415,10 +415,9 @@
 							{{ task.done ? $t('task.detail.undone') : $t('task.detail.done') }}
 						</x-button>
 						<TaskSubscription
+							v-model="task.subscription"
 							entity="task"
 							:entity-id="task.id"
-							:model-value="task.subscription"
-							@update:modelValue="sub => task.subscription = sub"
 						/>
 						<x-button
 							v-shortcut="'s'"
@@ -585,22 +584,14 @@
 </template>
 
 <script lang="ts" setup>
-import {ref, reactive, shallowReactive, computed, watch, nextTick, onMounted, onBeforeUnmount} from 'vue'
+import {ref, reactive, computed, nextTick, watchPostEffect, watch} from 'vue'
 import {useRouter, type RouteLocation} from 'vue-router'
-import {storeToRefs} from 'pinia'
-import {useI18n} from 'vue-i18n'
-import {unrefElement} from '@vueuse/core'
-import {klona} from 'klona/lite'
+import {unrefElement, useEventListener} from '@vueuse/core'
 import {eventToHotkeyString} from '@github/hotkey'
 
-import TaskService from '@/services/task'
-import TaskModel from '@/models/task'
-
 import type {ITask} from '@/modelTypes/ITask'
-import type {IProject} from '@/modelTypes/IProject'
 
-import {PRIORITIES, type Priority} from '@/constants/priorities'
-import {RIGHTS} from '@/constants/rights'
+import {PRIORITIES} from '@/constants/priorities'
 
 import BaseButton from '@/components/base/BaseButton.vue'
 
@@ -626,23 +617,14 @@ import CustomTransition from '@/components/misc/CustomTransition.vue'
 import AssigneeList from '@/components/tasks/partials/AssigneeList.vue'
 import Reactions from '@/components/input/Reactions.vue'
 
-import {uploadFile} from '@/helpers/attachments'
 import {getProjectTitle} from '@/helpers/getProjectTitle'
 import {scrollIntoView} from '@/helpers/scrollIntoView'
 import {TASK_REPEAT_MODES} from '@/types/IRepeatMode'
-import {playPopSound} from '@/helpers/playPop'
 
-import {useAttachmentStore} from '@/stores/attachments'
-import {useTaskStore} from '@/stores/tasks'
-import {useKanbanStore} from '@/stores/kanban'
-import {useProjectStore} from '@/stores/projects'
 import {useAuthStore} from '@/stores/auth'
-import {useBaseStore} from '@/stores/base'
 
 import {useTitle} from '@/composables/useTitle'
-
-import {success} from '@/message'
-import type {Action as MessageAction} from '@/message'
+import {useTask} from '@/composables/useTask'
 
 const props = defineProps<{
 	taskId: ITask['id'],
@@ -654,98 +636,59 @@ defineEmits<{
 }>()
 
 const router = useRouter()
-const {t} = useI18n({useScope: 'global'})
 
-const projectStore = useProjectStore()
-const attachmentStore = useAttachmentStore()
-const {hasAttachments} = storeToRefs(attachmentStore)
-const taskStore = useTaskStore()
-const kanbanStore = useKanbanStore()
 const authStore = useAuthStore()
-const baseStore = useBaseStore()
 
-const task = ref<ITask>(new TaskModel())
-const taskTitle = computed(() => task.value.title)
+const {
+	project,
+	ancestorProjects,
+
+	isReady,
+	isLoading,
+
+	task,
+	taskTitle,
+	taskColor,
+
+	canWrite,
+	hasAttachments,
+
+	saveTask,
+	deleteTask,
+	uploadAttachment,
+	
+	toggleTaskDone,
+	changeProject,
+	toggleFavorite,
+	setPriority,
+	setPercentDone,
+	removeRepeatAfter,
+} = useTask(() => props.taskId)
+
 useTitle(taskTitle)
 
+
 // See https://github.com/github/hotkey/discussions/85#discussioncomment-5214660
-function saveTaskViaHotkey(event) {
+useEventListener('keydown', (event) => {
 	const hotkeyString = eventToHotkeyString(event)
 	if (!hotkeyString) return
 	if (hotkeyString !== 'Control+s' && hotkeyString !== 'Meta+s') return
 	event.preventDefault()
 
 	saveTask()
-}
-
-onMounted(() => {
-	document.addEventListener('keydown', saveTaskViaHotkey)
 })
 
-onBeforeUnmount(() => {
-	document.removeEventListener('keydown', saveTaskViaHotkey)
-})
-
-// We doubled the task color property here because verte does not have a real change property, leading
-// to the color property change being triggered when the # is removed from it, leading to an update,
-// which leads in turn to a change... This creates an infinite loop in which the task is updated, changed,
-// updated, changed, updated and so on.
-// To prevent this, we put the task color property in a seperate value which is set to the task color
-// when it is saved and loaded.
-const taskColor = ref<ITask['hexColor']>('')
-
-// Used to avoid flashing of empty elements if the task content is not yet loaded.
-const isReady = ref(false)
-
-const project = computed(() => projectStore.projects[task.value.projectId])
-
-const canWrite = computed(() => (
-	task.value.maxRight !== null &&
-	task.value.maxRight > RIGHTS.READ
-))
-
-const color = computed(() => {
-	const color = task.value.getHexColor
-		? task.value.getHexColor()
-		: undefined
-
-	return color
-})
+const color = computed(() => task?.getHexColor())
 
 const isModal = computed(() => Boolean(props.backdropView))
 
-function attachmentUpload(file: File, onSuccess?: (url: string) => void) {
-	return uploadFile(props.taskId, file, onSuccess)
-}
-
 const heading = ref<HTMLElement | null>(null)
 
-async function scrollToHeading() {
-	scrollIntoView(unrefElement(heading))
-}
-
-const taskService = shallowReactive(new TaskService())
-
-// load task
-watch(
-	() => props.taskId,
-	async (id) => {
-		if (id === undefined) {
-			return
-		}
-
-		try {
-			const loaded = await taskService.get({id})
-			Object.assign(task.value, loaded)
-			attachmentStore.set(task.value.attachments)
-			taskColor.value = task.value.hexColor
-			setActiveFields()
-		} finally {
-			await nextTick()
-			scrollToHeading()
-			isReady.value = true
-		}
-	}, {immediate: true})
+watchPostEffect(() => {
+	if (isReady.value) {
+		scrollIntoView(unrefElement(heading))
+	}
+})
 
 type FieldType =
 	| 'assignees'
@@ -784,17 +727,19 @@ function setActiveFields() {
 	// task.endDate = task.endDate || null
 
 	// Set all active fields based on values in the model
-	activeFields.assignees = task.value.assignees.length > 0
-	activeFields.attachments = task.value.attachments.length > 0
-	activeFields.dueDate = task.value.dueDate !== null
-	activeFields.endDate = task.value.endDate !== null
-	activeFields.labels = task.value.labels.length > 0
-	activeFields.percentDone = task.value.percentDone > 0
-	activeFields.priority = task.value.priority !== PRIORITIES.UNSET
-	activeFields.relatedTasks = Object.keys(task.value.relatedTasks).length > 0
-	activeFields.reminders = task.value.reminders.length > 0
-	activeFields.repeatAfter = task.value.repeatAfter?.amount > 0 || task.value.repeatMode !== TASK_REPEAT_MODES.REPEAT_MODE_DEFAULT
-	activeFields.startDate = task.value.startDate !== null
+	Object.assign(activeFields, {
+		assignees: task.assignees.length > 0,
+		attachments: task.attachments.length > 0,
+		dueDate: task.dueDate !== null,
+		endDate: task.endDate !== null,
+		labels: task.labels.length > 0,
+		percentDone: task.percentDone > 0,
+		priority: task.priority !== PRIORITIES.UNSET,
+		relatedTasks: Object.keys(task.relatedTasks).length > 0,
+		reminders: task.reminders.length > 0,
+		repeatAfter: task.repeatAfter?.amount > 0 || task.repeatMode !== TASK_REPEAT_MODES.REPEAT_MODE_DEFAULT,
+		startDate: task.startDate !== null,
+	})
 }
 
 const activeFieldElements: { [id in FieldType]: HTMLElement | null } = reactive({
@@ -833,106 +778,8 @@ function setFieldActive(fieldName: keyof typeof activeFields) {
 	})
 }
 
-async function saveTask(
-	currentTask: ITask | null = null,
-	undoCallback?: () => void,
-) {
-	if (currentTask === null) {
-		currentTask = klona(task.value)
-	}
-
-	if (!canWrite.value) {
-		return
-	}
-
-	currentTask.hexColor = taskColor.value
-
-	// If no end date is being set, but a start date and due date,
-	// use the due date as the end date
-	if (
-		currentTask.endDate === null &&
-		currentTask.startDate !== null &&
-		currentTask.dueDate !== null
-	) {
-		currentTask.endDate = currentTask.dueDate
-	}
-
-	const updatedTask = await taskStore.update(currentTask) // TODO: markraw ?
-	Object.assign(task.value, updatedTask)
-	setActiveFields()
-
-	let actions: MessageAction[] = []
-	if (undoCallback) {
-		actions = [{
-			title: t('task.undo'),
-			callback: undoCallback,
-		}]
-	}
-	success({message: t('task.detail.updateSuccess')}, actions)
-}
-
 const showDeleteModal = ref(false)
 
-async function deleteTask() {
-	await taskStore.delete(task.value)
-	success({message: t('task.detail.deleteSuccess')})
-	router.push({name: 'project.index', params: {projectId: task.value.projectId}})
-}
-
-async function toggleTaskDone() {
-	const newTask = {
-		...task.value,
-		done: !task.value.done,
-	}
-
-	if (newTask.done) {
-		playPopSound()
-	}
-
-	await saveTask(
-		newTask,
-		toggleTaskDone,
-	)
-}
-
-async function changeProject(project: IProject) {
-	kanbanStore.removeTaskInBucket(task.value)
-	await saveTask({
-		...task.value,
-		projectId: project.id,
-	})
-	baseStore.setCurrentProject(project)
-}
-
-async function toggleFavorite() {
-	const newTask = await taskStore.toggleFavorite(task.value)
-	Object.assign(task.value, newTask)
-}
-
-async function setPriority(priority: Priority) {
-	const newTask: ITask = {
-		...task.value,
-		priority,
-	}
-
-	return saveTask(newTask)
-}
-
-async function setPercentDone(percentDone: number) {
-	const newTask: ITask = {
-		...task.value,
-		percentDone,
-	}
-
-	return saveTask(newTask)
-}
-
-async function removeRepeatAfter() {
-	task.value.repeatAfter.amount = 0
-	task.value.repeatMode = TASK_REPEAT_MODES.REPEAT_MODE_DEFAULT
-	await saveTask()
-}
-
 function setRelatedTasksActive() {
 	setFieldActive('relatedTasks')