diff --git a/src/extension/editors/base.ts b/src/extension/editors/base.ts
index eaced3c..7194b82 100644
--- a/src/extension/editors/base.ts
+++ b/src/extension/editors/base.ts
@@ -45,6 +45,13 @@ export abstract class BaseEditor extends BaseWebview<EditorWebviewArgs> implemen
                 }
             })
         );
+        disposables.push(
+            vscode.workspace.onDidDeleteFiles((event) => {
+                if (event.files.map((uri) => uri.toString()).includes(document.uri.toString())) {
+                    void webviewPanel.dispose();
+                }
+            })
+        );
         disposables.push(
             vscode.workspace.onDidSaveTextDocument((event) => {
                 if (event.uri.toString() === document.uri.toString()) {
@@ -53,13 +60,6 @@ export abstract class BaseEditor extends BaseWebview<EditorWebviewArgs> implemen
             })
         );
 
-        // Create file system watcher
-        const watcher = vscode.workspace.createFileSystemWatcher(document.uri.fsPath);
-        watcher.onDidCreate(() => this.update(document, webview, true));
-        watcher.onDidChange(() => this.update(document, webview, true));
-        watcher.onDidDelete(() => this.update(document, webview, true));
-        disposables.push(watcher);
-
         // Add dispose listener
         webviewPanel.onDidDispose(() => {
             this.onClose(document, webview);
diff --git a/src/extension/editors/project.ts b/src/extension/editors/project.ts
index c422951..54fec32 100644
--- a/src/extension/editors/project.ts
+++ b/src/extension/editors/project.ts
@@ -6,6 +6,11 @@ import type {GlobalStoreMessage, ViewMessage} from '../types.js';
 import {BaseEditor, type EditorWebviewArgs} from './base.js';
 
 export class ProjectEditor extends BaseEditor {
+    private static readonly SAVE_DEBOUNCE_WAIT = 1000;
+    private saveDebounceTimer: ReturnType<typeof setTimeout> | undefined;
+
+    private doIgnoreSave = false;
+
     public static getViewType() {
         return 'edacation.project';
     }
@@ -32,6 +37,12 @@ export class ProjectEditor extends BaseEditor {
         }
     }
 
+    private async whileIgnoreSave(callback: () => Promise<unknown>): Promise<void> {
+        this.doIgnoreSave = true;
+        await callback();
+        this.doIgnoreSave = false;
+    }
+
     protected async onDidReceiveMessage(
         document: vscode.TextDocument,
         webview: vscode.Webview,
@@ -57,11 +68,16 @@ export class ProjectEditor extends BaseEditor {
                 return true;
             }
 
-            const edit = new vscode.WorkspaceEdit();
-            edit.replace(document.uri, new vscode.Range(0, 0, document.lineCount, 0), message.document);
-            await vscode.workspace.applyEdit(edit);
+            await this.whileIgnoreSave(async () => {
+                const edit = new vscode.WorkspaceEdit();
+                edit.replace(document.uri, new vscode.Range(0, 0, document.lineCount, 0), message.document);
+                await vscode.workspace.applyEdit(edit);
+            });
 
-            await document.save();
+            if (this.saveDebounceTimer) clearTimeout(this.saveDebounceTimer);
+            this.saveDebounceTimer = setTimeout(() => {
+                void this.whileIgnoreSave(async () => await document.save());
+            }, ProjectEditor.SAVE_DEBOUNCE_WAIT);
 
             return true;
         }
@@ -80,12 +96,8 @@ export class ProjectEditor extends BaseEditor {
         // Do nothing
     }
 
-    protected async update(document: vscode.TextDocument, webview: vscode.Webview, isDocumentChange: boolean) {
-        if (isDocumentChange) {
-            return;
-        }
-
-        await vscode.commands.executeCommand('edacation-projects.focus');
+    protected async update(document: vscode.TextDocument, webview: vscode.Webview, _isDocumentChange: boolean) {
+        if (this.doIgnoreSave) return;
 
         const project = this.projects.get(document.uri);
 
diff --git a/src/views/project/src/App.vue b/src/views/project/src/App.vue
index 77662f4..8ed4c02 100644
--- a/src/views/project/src/App.vue
+++ b/src/views/project/src/App.vue
@@ -16,7 +16,7 @@ import {
 import {vscode} from '../../vscode';
 
 import EDAProject from './components/EDAProject.vue';
-import {state} from './state';
+import {ignoreSave, state} from './state';
 
 provideVSCodeDesignSystem().register(
     vsCodeButton(),
@@ -55,7 +55,9 @@ export default {
 
             switch (event.data.type) {
                 case 'project':
-                    this.state.project = event.data.project;
+                    ignoreSave(() => {
+                        this.state.project = event.data.project;
+                    })
                     break;
             }
         }
diff --git a/src/views/project/src/components/EDAProject.vue b/src/views/project/src/components/EDAProject.vue
index 2c74498..6db40b2 100644
--- a/src/views/project/src/components/EDAProject.vue
+++ b/src/views/project/src/components/EDAProject.vue
@@ -4,19 +4,28 @@ import {defineComponent} from 'vue';
 import {state as globalState} from '../state';
 
 import EDATarget from './EDATarget.vue';
+import type { TargetConfiguration } from 'edacation';
 
 export default defineComponent({
     components: {
         EDATarget
     },
     computed: {
-        targetIndex(): number | undefined {
-            console.log(
-                'target index',
-                this.state.selectedTargetIndex,
-                this.state.selectedTargetIndex === 'all' ? undefined : parseInt(this.state.selectedTargetIndex)
-            );
-            return this.state.selectedTargetIndex === 'all' ? undefined : parseInt(this.state.selectedTargetIndex);
+        targetIndex: {
+            get(): number | undefined {
+                if (this.targets.length === 0) return undefined;
+
+                let selectedIndex = Number(this.state.selectedTargetIndex ?? 0);
+                if (selectedIndex < 0) selectedIndex = 0;
+                if (selectedIndex >= this.targets.length) selectedIndex = this.targets.length - 1;
+                return selectedIndex;
+            },
+            set(index: number) {
+                this.state.selectedTargetIndex = index;
+            }
+        },
+        targets(): TargetConfiguration[] {
+            return this.state.project?.configuration.targets ?? [];
         }
     },
     data() {
@@ -25,29 +34,46 @@ export default defineComponent({
         };
     },
     methods: {
-        handleNameChange(event: Event) {
-            if (!this.state.project || !event.target) {
-                return;
+        getNewTargetId(): string {
+            const takenIds = this.targets.map(target => target.id);
+
+            let index = this.targets.length + 1;
+            while (takenIds.includes(`target${index}`)) index++;
+
+            return `target${index}`;
+        },
+        getDuplicateTargetId(oldId: string): string {
+            const match = oldId.match(/^(.*)(\d)+$/)
+            let base: string;
+            let seq: number;
+            if (match) {
+                base = match[1];
+                seq = Number(match[2]) + 1;
+            } else {
+                base = oldId;
+                seq = 1;
             }
 
-            this.state.project.name = (event.target as HTMLInputElement).value;
+            const takenIds = this.targets.map(target => target.id);
+            while (takenIds.includes(`${base}${seq}`)) seq++;
+
+            return `${base}${seq}`;
         },
-        handleTargetChange(event: Event) {
-            if (!event.target) {
+        handleNameChange(event: Event) {
+            if (!this.state.project || !event.target) {
                 return;
             }
 
-            this.state.selectedTargetIndex = (event.target as HTMLSelectElement).value;
+            this.state.project.name = (event.target as HTMLInputElement).value;
         },
         handleTargetAdd() {
             if (!this.state.project) {
                 return;
             }
 
-            const index = this.state.project.configuration.targets.length + 1;
             this.state.project.configuration.targets.push({
-                id: `target${index}`,
-                name: `Target ${index}`,
+                id: this.getNewTargetId(),
+                name: `Target ${this.targets.length + 1}`,
                 vendor: 'generic',
                 family: 'generic',
                 device: 'generic',
@@ -56,13 +82,30 @@ export default defineComponent({
             // TODO: This does not work, because does not yet exist, due to sync issues
             // this.state.selectedTargetIndex = (index - 1).toString();
         },
+        handleTargetDuplicate() {
+            const targetIndex = this.targetIndex;
+            if (!this.state.project || targetIndex === undefined) {
+                return;
+            }
+
+            const curTarget = this.targets[targetIndex];
+            if (!curTarget) return;
+
+            this.state.project.configuration.targets.push({
+                ...curTarget,
+                id: this.getDuplicateTargetId(curTarget.id),
+                name: `Target ${this.targets.length + 1}`
+            });
+            // TODO: This does not work, because does not yet exist, due to sync issues
+            // this.state.selectedTargetIndex = (index - 1).toString();
+        },
         handleTargetDelete() {
             if (!this.state.project || this.targetIndex === undefined) {
                 return;
             }
 
             this.state.project.configuration.targets.splice(this.targetIndex, 1);
-            this.state.selectedTargetIndex = 'all';
+            this.targetIndex = 0;
         }
     }
 });
@@ -77,26 +120,31 @@ export default defineComponent({
 
         <h1>Targets</h1>
         <p>Select target to configure</p>
-        <vscode-dropdown :value="state.selectedTargetIndex ?? 'all'" @input="handleTargetChange" style="width: 20rem">
-            <vscode-option value="all">Defaults for all targets</vscode-option>
-            <vscode-option v-for="(target, index) in state.project.configuration.targets" :key="index" :value="index">
+        <vscode-dropdown v-model.number="targetIndex" style="width: 20rem">
+            <vscode-option v-for="(target, index) in targets" :key="index" :value="index">
                 {{ target.name }}
             </vscode-option>
         </vscode-dropdown>
 
+
         <vscode-button v-if="targetIndex !== undefined" style="margin-start: 1rem" @click="handleTargetDelete">
             Delete target
         </vscode-button>
 
-        <div>
+        <div style="display: flex; gap: 1rem">
             <vscode-button style="margin-top: 1rem" @click="handleTargetAdd">Add target</vscode-button>
+            <vscode-button
+                v-if="targetIndex !== undefined"
+                style="margin-top: 1rem"
+                @click="handleTargetDuplicate"
+            >Duplicate target</vscode-button>
         </div>
 
-        <p v-if="state.project.configuration.targets.length === 0"><b>Error:</b> At least one target is required.</p>
+        <p v-if="targets.length === 0"><b>Error:</b> At least one target is required.</p>
 
         <vscode-divider style="margin-top: 1rem" />
 
-        <EDATarget :targetIndex="targetIndex" />
+        <EDATarget v-if="targetIndex !== undefined" :targetIndex="Number(targetIndex)" />
     </template>
     <template v-else>
         <p>No project configuration available.</p>
diff --git a/src/views/project/src/components/EDATargetCheckbox.vue b/src/views/project/src/components/EDATargetCheckbox.vue
index db28514..6be7209 100644
--- a/src/views/project/src/components/EDATargetCheckbox.vue
+++ b/src/views/project/src/components/EDATargetCheckbox.vue
@@ -1,13 +1,17 @@
 <script lang="ts">
-import type {
-    NextpnrConfiguration,
-    NextpnrOptions,
-    NextpnrTargetConfiguration,
-    TargetConfiguration,
-    WorkerId,
-    YosysConfiguration,
-    YosysOptions,
-    YosysTargetConfiguration
+import {
+    getNextpnrDefaultOptions,
+    getNextpnrOptions,
+    getYosysDefaultOptions,
+    getYosysOptions,
+    type NextpnrConfiguration,
+    type NextpnrOptions,
+    type NextpnrTargetConfiguration,
+    type TargetConfiguration,
+    type WorkerId,
+    type YosysConfiguration,
+    type YosysOptions,
+    type YosysTargetConfiguration,
 } from 'edacation';
 import {type PropType, defineComponent} from 'vue';
 
@@ -63,11 +67,27 @@ export default defineComponent({
             }
             return this.worker.options;
         },
-        config(): boolean | undefined {
-            if (!this.options) {
+        effectiveOptions(): YosysOptions | NextpnrOptions | null {
+            const projectConfig = this.state.project!.configuration;
+            const targetId = this.target?.id;
+
+            if (!targetId) {
+                // Default configuration
+                if (this.workerId === 'yosys') return getYosysDefaultOptions(projectConfig)
+                if (this.workerId === 'nextpnr') return getNextpnrDefaultOptions(projectConfig)
+                return null;
+            } else {
+                // Target configuration
+                if (this.workerId === 'yosys') return getYosysOptions(projectConfig, targetId)
+                if (this.workerId === 'nextpnr') return getNextpnrOptions(projectConfig, targetId)
+                return null;
+            }
+        },
+        effectiveConfig(): boolean | undefined {
+            if (!this.effectiveOptions) {
                 return undefined;
             }
-            return this.options[this.configId as keyof typeof this.options];
+            return this.effectiveOptions[this.configId as keyof typeof this.effectiveOptions];
         }
     },
     methods: {
@@ -109,6 +129,6 @@ export default defineComponent({
 
 <template>
     <div>
-        <vscode-checkbox :checked="config" @change="handleCheckboxChange">{{ configName }}</vscode-checkbox>
+        <vscode-checkbox :checked="effectiveConfig" @change="handleCheckboxChange">{{ configName }}</vscode-checkbox>
     </div>
 </template>
diff --git a/src/views/project/src/components/EDATargetGeneral.vue b/src/views/project/src/components/EDATargetGeneral.vue
index c9a797e..695dadc 100644
--- a/src/views/project/src/components/EDATargetGeneral.vue
+++ b/src/views/project/src/components/EDATargetGeneral.vue
@@ -82,6 +82,12 @@ export default defineComponent({
                 prev[packageId] = vendorPackages[packageId] ?? packageId;
                 return prev;
             }, {} as Record<string, string>);
+        },
+        hasIdOverlap(): boolean {
+            if (!this.target) return false;
+
+            const targetIds = this.state.project!.configuration.targets.map(target => target.id);
+            return targetIds.filter(id => id === this.target?.id).length >= 2;
         }
     },
     data() {
@@ -154,18 +160,22 @@ export default defineComponent({
                 margin-bottom: 1rem;
             "
         >
-            <vscode-text-field placeholder="ID" :value="target.id" @input="handleIdChange">ID</vscode-text-field>
+            <vscode-text-field placeholder="ID" :value="target.id" @input="handleIdChange">
+                ID <span style="margin-inline: 2rem; color: red;" v-if="hasIdOverlap">Error: duplicate ID</span>
+            </vscode-text-field>
 
             <vscode-text-field placeholder="Name" :value="target.name" @input="handleNameChange">
                 Name
             </vscode-text-field>
 
+            <!-- TODO: Make this configurable again
             <vscode-text-field
                 placeholder="Output directory"
                 :value="target.directory || ''"
                 @input="handleDirectoryChange"
                 >Output directory</vscode-text-field
-            >
+            > -->
+            <div></div>
 
             <div></div>
 
diff --git a/src/views/project/src/state/index.ts b/src/views/project/src/state/index.ts
index 7567b9d..1832bb2 100644
--- a/src/views/project/src/state/index.ts
+++ b/src/views/project/src/state/index.ts
@@ -1,23 +1,25 @@
 import type {ProjectState} from 'edacation';
-import {type WatchStopHandle, reactive, watch} from 'vue';
+import {type WatchStopHandle, nextTick, reactive, watch} from 'vue';
 
 import {vscode} from '../../../vscode';
 
 export interface State {
     project?: ProjectState;
-    selectedTargetIndex: string;
+    selectedTargetIndex?: number;
     selectedTargetTabId: string;
 }
 
 export const DEFAULT_STATE = {
     project: undefined,
-    selectedTargetIndex: 'all',
+    selectedTargetIndex: undefined,
     selectedTargetTabId: 'tab-device'
 };
 
 export let state = reactive<State>(DEFAULT_STATE);
 let unwatch: WatchStopHandle | undefined;
 
+let doIgnoreSave = false;
+
 export const setState = (newState: State) => {
     if (unwatch) {
         unwatch();
@@ -25,12 +27,14 @@ export const setState = (newState: State) => {
 
     state = reactive(newState);
 
-    unwatch = watch(state, (newState) => {
+    unwatch = watch(state, () => {
         // TODO: debounce?
 
-        vscode.setState(newState);
+        if (doIgnoreSave) return;
+
+        vscode.setState(state);
 
-        const newDocument = `${JSON.stringify(newState.project, null, 4)}\n`;
+        const newDocument = `${JSON.stringify(state.project, null, 4)}\n`;
 
         vscode.postMessage({
             type: 'change',
@@ -58,3 +62,11 @@ export const initializeState = () => {
 
     setState(state);
 };
+
+export const ignoreSave = (callback: () => void): void => {
+    doIgnoreSave = true;
+    callback();
+    void nextTick(() => {
+        doIgnoreSave = false;
+    });
+};