src/components/tasks/TaskDetailView.vue

@@ -61,7 +61,7 @@
 									ref="dueDate"
 								>
 								</flat-pickr>
-								<a v-if="dueDate" @click="() => {task.dueDate = null;saveTask()}">
+								<a v-if="dueDate" @click="() => {dueDate = task.dueDate = null;saveTask()}">
 									<span class="icon is-small">
 										<icon icon="times"></icon>
 									</span>
@@ -460,6 +460,7 @@
 								callback: undoCallback,
 							}]
 						}
+						this.dueDate = this.task.dueDate
 						this.success({message: 'The task was saved successfully.'}, this, actions)
 						this.setActiveFields()
 					})