diff --git a/frontend/src/lib/components/apps/components/inputs/AppSelectTab.svelte b/frontend/src/lib/components/apps/components/inputs/AppSelectTab.svelte
index 32e4e74bc6..39069b2fb5 100644
--- a/frontend/src/lib/components/apps/components/inputs/AppSelectTab.svelte
+++ b/frontend/src/lib/components/apps/components/inputs/AppSelectTab.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { getContext, onDestroy } from 'svelte'
+	import { getContext, onDestroy, untrack } from 'svelte'
 
 	import type {
 		AppViewerContext,
@@ -18,18 +18,28 @@
 	import { twMerge } from 'tailwind-merge'
 	import ResolveStyle from '../helpers/ResolveStyle.svelte'
 
-	export let id: string
-	export let configuration: RichConfigurations
-	export let horizontalAlignment: 'left' | 'center' | 'right' | undefined = undefined
-	export let verticalAlignment: 'top' | 'center' | 'bottom' | undefined = undefined
-	export let customCss: ComponentCustomCSS<'selecttabcomponent'> | undefined = undefined
-	export let render: boolean
+	interface Props {
+		id: string
+		configuration: RichConfigurations
+		horizontalAlignment?: 'left' | 'center' | 'right' | undefined
+		verticalAlignment?: 'top' | 'center' | 'bottom' | undefined
+		customCss?: ComponentCustomCSS<'selecttabcomponent'> | undefined
+		render: boolean
+	}
+
+	let {
+		id,
+		configuration,
+		horizontalAlignment = undefined,
+		verticalAlignment = undefined,
+		customCss = undefined,
+		render
+	}: Props = $props()
 
 	const { app, worldStore, componentControl } = getContext<AppViewerContext>('AppViewerContext')
 
-	const resolvedConfig = initConfig(
-		components['selecttabcomponent'].initialData.configuration,
-		configuration
+	const resolvedConfig = $state(
+		initConfig(components['selecttabcomponent'].initialData.configuration, configuration)
 	)
 	const outputs = initOutput($worldStore, id, {
 		result: undefined as string | undefined
@@ -38,8 +48,7 @@
 	const iterContext = getContext<ListContext>('ListWrapperContext')
 	const listInputs: ListInputs | undefined = getContext<ListInputs>('ListInputs')
 
-	let selected: string = ''
-	$: selected === '' && resolvedConfig && setDefaultValue()
+	let selected: string = $state('')
 
 	onDestroy(() => {
 		listInputs?.remove(id)
@@ -51,6 +60,11 @@
 		},
 		setTab(index) {
 			selected = resolvedConfig.items?.[index]?.value
+		},
+		setSelectedIndex(index) {
+			if (index >= 0 && index < resolvedConfig.items?.length) {
+				selected = resolvedConfig.items?.[index]?.value
+			}
 		}
 	}
 
@@ -69,8 +83,13 @@
 		}
 	}
 
-	$: selected && handleSelection(selected)
-	let css = initCss($app.css?.selecttabcomponent, customCss)
+	let css = $state(initCss($app.css?.selecttabcomponent, customCss))
+	$effect.pre(() => {
+		selected === '' && resolvedConfig.defaultValue && untrack(() => setDefaultValue())
+	})
+	$effect.pre(() => {
+		selected && untrack(() => handleSelection(selected))
+	})
 </script>
 
 {#each Object.keys(components['selecttabcomponent'].initialData.configuration) as key (key)}
diff --git a/frontend/src/lib/components/apps/components/layout/AppStepper.svelte b/frontend/src/lib/components/apps/components/layout/AppStepper.svelte
index eb47b3e928..b4951a8735 100644
--- a/frontend/src/lib/components/apps/components/layout/AppStepper.svelte
+++ b/frontend/src/lib/components/apps/components/layout/AppStepper.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { getContext } from 'svelte'
+	import { getContext, untrack } from 'svelte'
 	import { initOutput } from '../../editor/appUtils'
 	import SubGridEditor from '../../editor/SubGridEditor.svelte'
 	import type { AppViewerContext, ComponentCustomCSS } from '../../types'
@@ -14,16 +14,31 @@
 	import RunnableComponent from '../helpers/RunnableComponent.svelte'
 	import RunnableWrapper from '../helpers/RunnableWrapper.svelte'
 
-	export let id: string
-	export let componentContainerHeight: number
-	export let tabs: string[]
-	export let customCss: ComponentCustomCSS<'steppercomponent'> | undefined = undefined
-	export let render: boolean
-	export let recomputeIds: string[] | undefined = undefined
-	export let extraQueryParams: Record<string, any> = {}
-	export let componentInput: AppInput | undefined
-	export let onNext: string[] | undefined = undefined
-	export let onPrevious: string[] | undefined = undefined
+	interface Props {
+		id: string
+		componentContainerHeight: number
+		tabs: string[]
+		customCss?: ComponentCustomCSS<'steppercomponent'> | undefined
+		render: boolean
+		recomputeIds?: string[] | undefined
+		extraQueryParams?: Record<string, any>
+		componentInput: AppInput | undefined
+		onNext?: string[] | undefined
+		onPrevious?: string[] | undefined
+	}
+
+	let {
+		id,
+		componentContainerHeight,
+		tabs,
+		customCss = undefined,
+		render,
+		recomputeIds = undefined,
+		extraQueryParams = {},
+		componentInput,
+		onNext = undefined,
+		onPrevious = undefined
+	}: Props = $props()
 
 	const {
 		app,
@@ -36,16 +51,18 @@
 		runnableComponents
 	} = getContext<AppViewerContext>('AppViewerContext')
 
-	let everRender = render
-	$: render && !everRender && (everRender = true)
+	let everRender = $state(render)
+	$effect.pre(() => {
+		render && !everRender && (everRender = true)
+	})
 
-	let selected = tabs[0]
-	let tabHeight: number = 0
-	let footerHeight: number = 0
-	let runnableComponent: RunnableComponent
-	let selectedIndex = tabs?.indexOf(selected) ?? -1
-	let maxReachedIndex = -1
-	let statusByStep = [] as Array<'success' | 'error' | 'pending'>
+	let selected = $state(tabs[0])
+	let tabHeight: number = $state(0)
+	let footerHeight: number = $state(0)
+	let runnableComponent: RunnableComponent | undefined = $state()
+	let selectedIndex = $state(tabs?.indexOf(selected) ?? -1)
+	let maxReachedIndex = $state(-1)
+	let statusByStep = $state([] as Array<'success' | 'error' | 'pending'>)
 	let debugMode: boolean = false
 
 	let outputs = initOutput($worldStore, id, {
@@ -74,7 +91,8 @@
 		}
 	}
 
-	let result: { error: { name: string; message: string; stack: string } } | undefined = undefined
+	let result: { error: { name: string; message: string; stack: string } } | undefined =
+		$state(undefined)
 
 	async function runStep(targetIndex: number) {
 		statusByStep[selectedIndex] = 'pending'
@@ -122,14 +140,22 @@
 			}
 
 			handleTabSelection()
+		},
+		setSelectedIndex(index) {
+			if (index >= 0 && index < tabs.length) {
+				selected = tabs[index]
+				handleTabSelection()
+			}
 		}
 	}
 
-	$: selected != undefined && handleTabSelection()
-	let css = initCss($app.css?.steppercomponent, customCss)
-	$: lastStep = selectedIndex === tabs.length - 1
+	$effect.pre(() => {
+		selected != undefined && untrack(() => handleTabSelection())
+	})
+	let css = $state(initCss($app.css?.steppercomponent, customCss))
+	let lastStep = $derived(selectedIndex === tabs.length - 1)
 
-	let directionClicked: 'left' | 'right' | undefined = undefined
+	let directionClicked: 'left' | 'right' | undefined = $state(undefined)
 </script>
 
 {#each Object.keys(css ?? {}) as key (key)}
diff --git a/frontend/src/lib/components/apps/components/layout/AppTabs.svelte b/frontend/src/lib/components/apps/components/layout/AppTabs.svelte
index 977ccc69d9..ed9ffed03c 100644
--- a/frontend/src/lib/components/apps/components/layout/AppTabs.svelte
+++ b/frontend/src/lib/components/apps/components/layout/AppTabs.svelte
@@ -1,6 +1,9 @@
 <script lang="ts">
+	import { createBubbler, stopPropagation } from 'svelte/legacy'
+
+	const bubble = createBubbler()
 	import { Tab, Tabs } from '$lib/components/common'
-	import { getContext } from 'svelte'
+	import { getContext, untrack } from 'svelte'
 	import { initConfig, initOutput } from '../../editor/appUtils'
 	import { components } from '../../editor/component'
 	import SubGridEditor from '../../editor/SubGridEditor.svelte'
@@ -16,21 +19,35 @@
 	import { twMerge } from 'tailwind-merge'
 	import ResolveStyle from '../helpers/ResolveStyle.svelte'
 
-	export let id: string
-	export let configuration: RichConfigurations
-	export let componentContainerHeight: number
-	export let tabs: string[]
-	export let customCss: ComponentCustomCSS<'tabscomponent'> | undefined = undefined
-	export let render: boolean
-	export let disabledTabs: RichConfiguration[]
-	export let onTabChange: string[] | undefined = undefined
+	interface Props {
+		id: string
+		configuration: RichConfigurations
+		componentContainerHeight: number
+		tabs: string[]
+		customCss?: ComponentCustomCSS<'tabscomponent'> | undefined
+		render: boolean
+		disabledTabs: RichConfiguration[]
+		onTabChange?: string[] | undefined
+	}
 
-	let resolvedConfig = initConfig(
-		components['tabscomponent'].initialData.configuration,
-		configuration
+	let {
+		id,
+		configuration,
+		componentContainerHeight,
+		tabs,
+		customCss = undefined,
+		render,
+		disabledTabs,
+		onTabChange = undefined
+	}: Props = $props()
+
+	let resolvedConfig = $state(
+		initConfig(components['tabscomponent'].initialData.configuration, configuration)
 	)
-	let everRender = render
-	$: render && !everRender && (everRender = true)
+	let everRender = $state(render)
+	$effect.pre(() => {
+		render && !everRender && (everRender = true)
+	})
 
 	const {
 		app,
@@ -43,8 +60,11 @@
 		runnableComponents
 	} = getContext<AppViewerContext>('AppViewerContext')
 
-	let selected: string = tabs[0]
-	let tabHeight: number = 0
+	let selected: string = $state(tabs[0])
+	let selectedIndex = $state(tabs?.indexOf(selected) ?? -1)
+	let css = $state(initCss($app.css?.tabscomponent, customCss))
+
+	let tabHeight: number = $state(0)
 
 	let outputs = initOutput($worldStore, id, {
 		selectedTabIndex: 0
@@ -53,7 +73,14 @@
 	const titleBarHeight = 40 // Example height of a single accordion title bar in pixels
 
 	function handleTabSelection() {
+		let oldSelectedIndex = selectedIndex
 		selectedIndex = tabs?.indexOf(selected)
+		if (selectedIndex == -1) {
+			selectedIndex = oldSelectedIndex
+			if (selectedIndex != -1 && tabs.length > 0) {
+				selected = tabs[selectedIndex]
+			}
+		}
 		outputs?.selectedTabIndex.set(selectedIndex)
 
 		onTabChange?.forEach((id) => $runnableComponents?.[id]?.cb?.forEach((cb) => cb?.()))
@@ -67,6 +94,11 @@
 	}
 
 	$componentControl[id] = {
+		setSelectedIndex(index) {
+			if (index >= 0 && index < tabs.length) {
+				selected = tabs[index]
+			}
+		},
 		left: () => {
 			const index = tabs.indexOf(selected)
 			if (index > 0) {
@@ -89,11 +121,12 @@
 		}
 	}
 
-	$: selected != undefined && handleTabSelection()
-	let selectedIndex = tabs?.indexOf(selected) ?? -1
-	let css = initCss($app.css?.tabscomponent, customCss)
+	$effect.pre(() => {
+		tabs
+		selected != undefined && untrack(() => handleTabSelection())
+	})
 
-	let resolvedDisabledTabs: boolean[] = []
+	let resolvedDisabledTabs: boolean[] = $state([])
 </script>
 
 <InputValue key="kind" {id} input={configuration.tabsKind} bind:value={resolvedConfig.tabsKind} />
@@ -153,8 +186,8 @@
 			>
 				{#each tabs ?? [] as res, index}
 					<button
-						on:pointerdown|stopPropagation
-						on:click={() => !resolvedDisabledTabs[index] && (selected = res)}
+						onpointerdown={stopPropagation(bubble('pointerdown'))}
+						onclick={() => !resolvedDisabledTabs[index] && (selected = res)}
 						disabled={resolvedDisabledTabs[index]}
 						class={twMerge(
 							'rounded-sm !truncate text-sm  hover:text-primary px-1 py-2',
@@ -167,7 +200,9 @@
 										'wm-tabs-selectedTab'
 									)
 								: '',
-							resolvedDisabledTabs[index] ? 'opacity-50 cursor-not-allowed hover:text-secondary' : ''
+							resolvedDisabledTabs[index]
+								? 'opacity-50 cursor-not-allowed hover:text-secondary'
+								: ''
 						)}
 						style={selected == res
 							? [css?.allTabs?.style, css?.selectedTab?.style].filter(Boolean).join(';')
@@ -183,8 +218,8 @@
 				{#each tabs ?? [] as res, index}
 					<div class="border-b">
 						<button
-							on:pointerdown|stopPropagation
-							on:click={() => !resolvedDisabledTabs[index] && (selected = res)}
+							onpointerdown={stopPropagation(bubble('pointerdown'))}
+							onclick={() => !resolvedDisabledTabs[index] && (selected = res)}
 							disabled={resolvedDisabledTabs[index]}
 							class={twMerge(
 								'w-full text-left bg-surface !truncate text-sm hover:text-primary px-1 py-2',
@@ -197,7 +232,9 @@
 											'wm-tabs-selectedTab'
 										)
 									: 'text-secondary',
-								resolvedDisabledTabs[index] ? 'opacity-50 cursor-not-allowed hover:text-secondary' : ''
+								resolvedDisabledTabs[index]
+									? 'opacity-50 cursor-not-allowed hover:text-secondary'
+									: ''
 							)}
 						>
 							<span class="mr-2 w-8 font-mono">{selected == res ? '-' : '+'}</span>
diff --git a/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts b/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
index 0df79e01f4..c8efd73813 100644
--- a/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
+++ b/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
@@ -85,11 +85,11 @@ const validateAll = {
 export function getComponentControl(type: keyof typeof components): Array<ComponentFunction> {
 	switch (type) {
 		case 'tabscomponent':
-			return [setTab]
+			return [setTab, setSelectedIndex]
 		case 'selectstepcomponent':
-			return [setTab, setValue]
+			return [setTab, setValue, setSelectedIndex]
 		case 'selecttabcomponent':
-			return [setTab, setValue]
+			return [setTab, setValue, setSelectedIndex]
 		case 'conditionalwrapper':
 		case 'steppercomponent':
 			return [setTab]
diff --git a/frontend/src/lib/components/apps/editor/settingsPanel/GridTab.svelte b/frontend/src/lib/components/apps/editor/settingsPanel/GridTab.svelte
index b4b438111b..03d3e01a59 100644
--- a/frontend/src/lib/components/apps/editor/settingsPanel/GridTab.svelte
+++ b/frontend/src/lib/components/apps/editor/settingsPanel/GridTab.svelte
@@ -1,7 +1,10 @@
 <script lang="ts">
+	import { createBubbler, stopPropagation } from 'svelte/legacy'
+
+	const bubble = createBubbler()
 	import Button from '$lib/components/common/button/Button.svelte'
 	import CloseButton from '$lib/components/common/CloseButton.svelte'
-	import { getContext, tick } from 'svelte'
+	import { getContext, tick, untrack } from 'svelte'
 	import type { AppViewerContext, RichConfiguration } from '../../types'
 	import { deleteGridItem } from '../appUtils'
 	import type { AppComponent } from '../component'
@@ -11,27 +14,43 @@
 	import { GripVertical, Plus } from 'lucide-svelte'
 	import GridTabDisabled from './GridTabDisabled.svelte'
 
-	export let tabs: string[] = []
-	export let disabledTabs: RichConfiguration[] = []
-
-	export let canDisableTabs: boolean = false
-
-	export let word: string = 'Tab'
-
-	export let component: AppComponent
-
-	$: if (disabledTabs == undefined) {
-		disabledTabs = [
-			{ type: 'static', value: false, fieldType: 'boolean' },
-			{ type: 'static', value: false, fieldType: 'boolean' }
-		]
+	interface Props {
+		tabs?: string[]
+		disabledTabs?: RichConfiguration[]
+		canDisableTabs?: boolean
+		word?: string
+		component: AppComponent
 	}
 
-	let items = tabs.map((tab, index) => {
-		return { value: tab, id: generateRandomString(), originalIndex: index }
+	let {
+		tabs = $bindable([]),
+		disabledTabs = $bindable([]),
+		canDisableTabs = false,
+		word = 'Tab',
+		component = $bindable()
+	}: Props = $props()
+
+	$effect.pre(() => {
+		if (disabledTabs == undefined) {
+			disabledTabs = [
+				{ type: 'static', value: false, fieldType: 'boolean' },
+				{ type: 'static', value: false, fieldType: 'boolean' }
+			]
+		}
 	})
 
-	$: tabs = items.map((item) => item.value)
+	let items = $state.raw(
+		tabs.map((tab, index) => {
+			return { value: tab, id: generateRandomString(), originalIndex: index }
+		})
+	)
+
+	$effect.pre(() => {
+		items
+		untrack(() => {
+			tabs = items.map((item) => item.value)
+		})
+	})
 
 	const { app, runnableComponents, componentControl } =
 		getContext<AppViewerContext>('AppViewerContext')
@@ -149,15 +168,15 @@
 				flipDurationMs: 200,
 				dropTargetStyle: {}
 			}}
-			on:consider={handleConsider}
-			on:finalize={handleFinalize}
+			onconsider={handleConsider}
+			onfinalize={handleFinalize}
 		>
 			{#each items as item, index (item.id)}
 				<div class="border rounded-md p-2 mb-2 bg-surface">
 					<div class="w-full flex flex-row gap-2 items-center relative my-1">
 						<input
-							on:keydown|stopPropagation
-							on:input={(e) => updateItemValue(index, e)}
+							onkeydown={stopPropagation(bubble('keydown'))}
+							oninput={(e) => updateItemValue(index, e)}
 							type="text"
 							bind:value={items[index].value}
 						/>
@@ -166,9 +185,9 @@
 						</div>
 
 						<div class="flex flex-col justify-center gap-2">
-							<!-- svelte-ignore a11y-no-noninteractive-tabindex -->
+							<!-- svelte-ignore a11y_no_noninteractive_tabindex -->
 
-							<!-- svelte-ignore a11y-no-static-element-interactions -->
+							<!-- svelte-ignore a11y_no_static_element_interactions -->
 							<div use:dragHandle class="handle w-4 h-4" aria-label="drag-handle">
 								<GripVertical size={16} />
 							</div>
diff --git a/frontend/src/lib/components/apps/editor/settingsPanel/GridTabDisabled.svelte b/frontend/src/lib/components/apps/editor/settingsPanel/GridTabDisabled.svelte
index 1494193a4c..23786d5047 100644
--- a/frontend/src/lib/components/apps/editor/settingsPanel/GridTabDisabled.svelte
+++ b/frontend/src/lib/components/apps/editor/settingsPanel/GridTabDisabled.svelte
@@ -4,11 +4,15 @@
 	import InputsSpecEditor from './InputsSpecEditor.svelte'
 	import { slide } from 'svelte/transition'
 
-	export let id: string
-	export let field: RichConfiguration
-	export let index: number
+	interface Props {
+		id: string
+		field: RichConfiguration
+		index: number
+	}
 
-	let disablable = field && !(field?.type === 'static' && field?.value === false)
+	let { id, field = $bindable(), index }: Props = $props()
+
+	let disablable = $state(field && !(field?.type === 'static' && field?.value === false))
 </script>
 
 <Toggle
diff --git a/frontend/src/lib/components/raw_apps/RawAppInlineScriptPanelList.svelte b/frontend/src/lib/components/raw_apps/RawAppInlineScriptPanelList.svelte
index 7d7558b17c..48a26e6cbe 100644
--- a/frontend/src/lib/components/raw_apps/RawAppInlineScriptPanelList.svelte
+++ b/frontend/src/lib/components/raw_apps/RawAppInlineScriptPanelList.svelte
@@ -23,7 +23,6 @@
 			}
 			return r
 		})
-		console.log('BAR 2')
 		selectedRunnable = nid
 	}