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	diff --git a/src/components/conversation/conversation.js b/src/components/conversation/conversation.js
	index c89cfd33a6..c0b280e7aa 100644
	--- a/src/components/conversation/conversation.js
	+++ b/src/components/conversation/conversation.js
	@@ -1,322 +1,323 @@
	import { get } from 'lodash-es'
	import { storeToRefs } from 'pinia'
	import {
	computed,
	nextTick,
	provide,
	ref,
	toRefs,
	useTemplateRef,
	watch,
	} from 'vue'
	import { useRouter } from 'vue-router'

	import ChatMessageList from 'src/components/chat_message_list/chat_message_list.vue'
	import PostStatusForm from 'src/components/post_status_form/post_status_form.vue'
	import QuickFilterSettings from 'src/components/quick_filter_settings/quick_filter_settings.vue'
	import QuickViewSettings from 'src/components/quick_view_settings/quick_view_settings.vue'
	import RichContent from 'src/components/rich_content/rich_content.jsx'
	import ThreadTree from 'src/components/thread_tree/thread_tree.vue'

	import { useInterfaceStore } from 'src/stores/interface.js'
	import { useMergedConfigStore } from 'src/stores/merged_config.js'
	import { useStatusesStore } from 'src/stores/statuses.js'
	import { useStreamingStore } from 'src/stores/streaming.js'

	import { useConversation } from 'src/composables/useConversation.js'
	import { useTreeConversationTopology } from 'src/composables/useTreeConversationTopology.js'
	import { useVirtualScrolling } from 'src/composables/useVirtualScrolling.js'

	import { WSConnectionStatus } from 'src/api/websocket.js'

	import { library } from '@fortawesome/fontawesome-svg-core'
	import {
	faAngleDoubleDown,
	faAngleDoubleLeft,
	faChevronLeft,
	faReply,
	faTimes,
	} from '@fortawesome/free-solid-svg-icons'

	library.add(
	faAngleDoubleDown,
	faAngleDoubleLeft,
	faChevronLeft,
	faReply,
	faTimes,
	)

	export default {
	props: {
	statusId: {
	// Main thing
	type: String,
	required: true,
	},
	isPage: {
	// Whether conversation is rendered as a standalone page
	// as opposed to embedded into a timeline
	type: Boolean,
	default: false,
	},
	},
	components: {
	ThreadTree,
	QuickFilterSettings,
	QuickViewSettings,
	ChatMessageList,
	PostStatusForm,
	RichContent,
	},
	setup(props) {
	// # Helpers
	const getStatusObject = (id) => useStatusesStore().allStatuses.get(id)
	const getConversationId = (statusId) => {
	const status = getStatusObject(statusId)
	return get(
	status,
	'retweeted_status.statusnet_conversation_id',
	get(status, 'statusnet_conversation_id'),
	)
	}

	const { statusId } = toRefs(props)

	const router = useRouter()

	// # Main Configuration / global state
	const { mergedConfig } = storeToRefs(useMergedConfigStore())
	const { mastoUserSocketStatus } = storeToRefs(useStreamingStore())
	const displayStyle = computed(() => mergedConfig.value.conversationDisplay)
	const streamingEnabled = computed(
	() =>
	mergedConfig.value.useStreamingApi &&
	mastoUserSocketStatus === WSConnectionStatus.JOINED,
	)
	const { layoutType } = storeToRefs(useInterfaceStore())
	const mobileLayout = computed(() => layoutType.value === 'mobile')

	// # Conversation Expansion
	const expanded = ref(false)
	const { isPage } = toRefs(props)
	const isExpanded = computed(() => !!(expanded.value \|\| isPage.value))
	const toggleExpanded = () => {
	expanded.value = !expanded.value
	}
	- watch(expanded, (value) => {
	- if (value) {
	- fetchConversation()
	- } else {
	- resetDisplayState()
	- }
	- })
	provide('isExpanded', isExpanded)
	provide('isPage', isPage)

	// # Focus
	const focusedId = ref(statusId.value)
	const focused = computed(() => (isExpanded.value ? focusedId.value : null))
	const setFocused = (id) => {
	if (!id) return
	focusedId.value = id

	if (!streamingEnabled.value) {
	useStatusesStore().fetchStatus(id)
	}

	useStatusesStore().fetchFavsAndRepeats(id)
	useStatusesStore().fetchEmojiReactions(id)
	}
	provide('focused', focused)

	// # Main things
	const {
	currentStatus,
	conversation,
	replies,
	getReplies,
	fetchConversation,
	loadError,
	} = useConversation(focusedId, isExpanded)

	+ watch(expanded, (value) => {
	+ if (value) {
	+ fetchConversation()
	+ } else {
	+ resetDisplayState()
	+ }
	+ })
	+
	const resetDisplayState = () => {
	setFocused(statusId.value)
	resetThreadDisplay()
	}
	watch(statusId, (newVal, oldVal) => {
	const newConversationId = getConversationId(newVal)
	const oldConversationId = getConversationId(oldVal)
	if (
	newConversationId &&
	oldConversationId &&
	newConversationId === oldConversationId
	) {
	setFocused(newVal)
	} else {
	resetDisplayState()
	fetchConversation()
	}
	})

	// Component created
	if (isPage.value) {
	fetchConversation()
	}

	// # Misc UI things
	const firstStatus = computed(() => conversation.value[0])
	const lastStatus = computed(
	() => conversation.value[conversation.value.legnth - 1],
	)
	const getStatusClasses = (status, active) => ({
	'-first': status.id === firstStatus.value?.id,
	'-last': status.id === lastStatus.value?.id,
	})

	// # Linear style stuff
	const isLinearView = computed(() => displayStyle.value !== 'tree')
	- const body = useTemplateRef('body')
	+ const linearElement = useTemplateRef('linear')
	const {
	heightChart: heightChartLinear,
	changeSuspendState: changeSuspendStateLinear,
	updateVirtualHeight: updateVirtualHeightLinear,
	- } = useVirtualScrolling(conversation, body)
	+ } = useVirtualScrolling(conversation, linearElement)

	// # Tree style stuff
	const isTreeView = computed(() => displayStyle.value === 'tree')
	const {
	topLevel,
	currentAncestors,
	threadDisplay,
	showThreadRecursively,
	resetThreadDisplay,
	} = useTreeConversationTopology(conversation, replies, focusedId)
	provide('threadDisplay', threadDisplay)

	const ancestorsElement = useTemplateRef('ancestors')
	const {
	heightChart: heightChartAncestors,
	changeSuspendState: changeSuspendStateAncestors,
	updateVirtualHeight: updateVirtualHeightAncestors,
	} = useVirtualScrolling(currentAncestors, ancestorsElement)

	- const currentLevel = computed(() => [currentStatus.value])
	+ const currentLevel = computed(() => [currentStatus.value].filter(Boolean))
	const currentLevelElement = useTemplateRef('currentLevel')
	const {
	heightChart: heightChartCurrentLevel,
	changeSuspendState: changeSuspendStateCurrentLevel,
	updateVirtualHeight: updateVirtualHeightCurrentLevel,
	} = useVirtualScrolling(currentLevel, currentLevelElement)

	const treeViewIsSimple = computed(
	() => !mergedConfig.value.conversationTreeAdvanced,
	)
	const shouldShowAllConversationButton = computed(
	() => currentAncestors.value.length > 0 && topLevel.value.length > 1,
	)
	const shouldShowAncestors = computed(
	- () => isExpanded.value && currentAncestors.value.size > 0,
	+ () => isExpanded.value && heightChartAncestors.value.length > 0,
	)
	const shouldFadeAncestors = computed(
	() => mergedConfig.value.conversationTreeFadeAncestors,
	)
	const shouldShowOtherRepliesButton = computed(
	() => mergedConfig.value.conversationOtherRepliesButton === 'below',
	)

	// # Scrolling
	const tryScrollTo = (id) => {
	if (!id) {
	return
	}
	if (isPage.value) {
	router.push({ name: 'conversation', params: { statusId: id } })
	}
	// Because the conversation can be unmounted when out of sight
	// and mounted again when it comes into sight,
	// the `mounted` or `created` function in `status` should not
	// contain scrolling calls, as we do not want the page to jump
	// when we scroll with an expanded conversation.
	//
	// Now the method is to rely solely on the `focused` watcher
	// in `status` components.
	// In linear views, all statuses are rendered at all times, but
	// in tree views, it is possible that a change in active status
	// removes and adds status components (e.g. an originally child
	// status becomes an ancestor status, and thus they will be
	// different).
	// Here, let the components be rendered first, in order to trigger
	// the `focused` watcher.
	nextTick(() => {
	setFocused(id)
	})
	}
	const diveIntoStatus = (id) => {
	tryScrollTo(id)
	}
	const diveToTopLevel = () => {
	tryScrollTo(currentAncestors.value[0].id)
	}

	return {
	// # Misc
	loadError,
	mobileLayout,

	// # Focus
	focused,
	setFocused,

	// # Main things
	conversation,
	currentStatus,
	getReplies,

	// # Conversation Expansion
	isPage,
	isExpanded,
	toggleExpanded,

	// # Misc UI things
	getStatusClasses,

	// # Linear style stuff
	isLinearView,

	// ## Linear virtual scrolling
	heightChartLinear,
	changeSuspendStateLinear,
	updateVirtualHeightLinear,

	// # Tree style stuff
	isTreeView,

	// ## Tree virtual scrolling
	heightChartAncestors,
	changeSuspendStateAncestors,
	updateVirtualHeightAncestors,
	heightChartCurrentLevel,
	changeSuspendStateCurrentLevel,
	updateVirtualHeightCurrentLevel,

	// ## Tree state
	// ### Topology
	topLevel,
	currentAncestors,

	// ### Thread Display
	showThreadRecursively,

	// ### Derived values and config
	treeViewIsSimple,
	shouldShowAllConversationButton,
	shouldShowAncestors,
	shouldFadeAncestors,
	shouldShowOtherRepliesButton,

	// # Scrolling
	diveToTopLevel,
	diveIntoStatus,
	}
	},
	}
	diff --git a/src/components/conversation/conversation.vue b/src/components/conversation/conversation.vue
	index fd45ec0578..8b4cfafde4 100644
	--- a/src/components/conversation/conversation.vue
	+++ b/src/components/conversation/conversation.vue
	@@ -1,205 +1,212 @@
	<template>
	<div
	ref="root"
	class="Conversation"
	:class="{ '-expanded' : isExpanded, '-page': isPage, 'panel' : isExpanded }"
	>
	<div
	v-if="isExpanded"
	class="panel-heading conversation-heading -sticky"
	>
	<h1 class="title">
	<RichContent
	v-if="conversation[0]?.summary_raw_html"
	:html="conversation[0].summary_raw_html"
	:emoji="conversation[0].emojis"
	/>
	<template v-else>
	{{ $t('timeline.conversation') }}
	</template>
	</h1>
	<button
	v-if="!isPage"
	class="button-unstyled -link"
	@click.prevent="toggleExpanded"
	>
	{{ $t('timeline.collapse') }}
	</button>
	<QuickFilterSettings
	v-if="isPage && mobileLayout"
	:conversation="true"
	class="rightside-button"
	/>
	<QuickViewSettings
	v-if="isPage"
	:conversation="true"
	class="rightside-button"
	/>
	</div>
	<div
	- v-if="isPage && !status"
	+ v-if="isPage && !currentStatus"
	class="conversation-body"
	ref="body"
	:class="{ 'panel-body': isExpanded }"
	>
	<p v-if="!loadError">
	<FAIcon
	spin
	icon="circle-notch"
	/>
	{{ $t('status.loading') }}
	</p>
	<p v-else>
	{{ $t('status.load_error', { error: loadError }) }}
	</p>
	</div>
	<div
	v-else
	class="conversation-body"
	ref="body"
	:class="{ 'panel-body': isExpanded }"
	>
	<div
	v-if="isTreeView"
	class="thread-body"
	>
	<div
	v-if="shouldShowAllConversationButton"
	class="conversation-dive-to-top-level-box"
	>
	<i18n-t
	keypath="currentStatus.show_all_conversation_with_icon"
	tag="button"
	class="button-unstyled -link"
	scope="global"
	@click.prevent="diveToTopLevel"
	>
	<template #icon>
	<FAIcon
	icon="angle-double-left"
	/>
	</template>
	<template #text>
	<span>
	{{ $t('status.show_all_conversation', { numStatus: topLevel.length - 1 }, topLevel.length - 1) }}
	</span>
	</template>
	</i18n-t>
	</div>
	<div
	v-if="shouldShowAncestors"
	ref="ancestors"
	class="thread-ancestors"
	>
	<article
	- v-for="status in currentAncestors"
	+ v-for="element in heightChartAncestors"
	class="thread-ancestor"
	- :class="{'thread-ancestor-has-other-replies': statusReplies.size > 1, '-faded': shouldFadeAncestors}"
	+ :class="{'thread-ancestor-has-other-replies': getReplies(element.id).size > 1, '-faded': shouldFadeAncestors}"
	>
	<Status
	+ v-if="element.type === 'status'"
	class="conversation-status panel-body"
	- :class="getStatusClasses(status)"
	+ :class="getStatusClasses(element.status)"

	- :status-id="status.id"
	- :replies="getReplies(status.id)"
	+ :status-id="element.status.id"
	+ :replies="getReplies(element.status.id)"

	- :focused="focused === status.id"
	+ :focused="focused === element.status.id"
	can-dive

	@goto="setFocused"
	- @dive="diveIntoStatus(status.id)"
	+ @dive="diveIntoStatus(element.status.id)"
	@suspendable-state-change="changeSuspendStateAncestors"
	@height-change="updateVirtualHeightAncestors"
	/>
	+ <div
	+ v-if="element.type === 'spacer'"
	+ class="virtual-spacer"
	+ :style="{ height: element.height + 'px' }"
	+ />
	<div
	v-if="shouldShowOtherRepliesButton && getReplies(status.id).size > 1"
	class="thread-ancestor-dive-box"
	>
	<div
	class="thread-ancestor-dive-box-inner"
	>
	<i18n-t
	tag="button"
	scope="global"
	keypath="status.ancestor_follow_with_icon"
	class="button-unstyled -link thread-tree-show-replies-button"
	@click.prevent="diveIntoStatus(status.id)"
	>
	<template #icon>
	<FAIcon
	icon="angle-double-right"
	/>
	</template>
	<template #text>
	<span>
	{{ $t('status.ancestor_follow', { numReplies: getReplies(status.id).size - 1 }) }}
	</span>
	</template>
	</i18n-t>
	</div>
	</div>
	</article>
	</div>
	<div
	- class="currentStatus"
	+ class="currentLevel"
	ref="currentLevel"
	>
	<!-- Technically this will always have a single element but -->
	<!-- it's more convenient for us to use a v-for here -->
	<template v-for="element in heightChartCurrentLevel">
	<ThreadTree
	v-if="element.type === 'status'"
	:status-id="currentStatus.id"
	:depth="0"

	@goto="setFocused"
	@dive="diveIntoStatus"
	@toggle-expanded="toggleExpanded"
	@show-thread-recursively="showThreadRecursively"
	@suspendable-state-change="changeSuspendStateCurrentLevel"
	@height-change="updateVirtualHeightCurrentLevel"
	/>
	<div
	v-if="element.type === 'spacer'"
	class="virtual-spacer"
	:style="{ height: element.height + 'px' }"
	/>
	</template>
	</div>
	</div>
	<div
	v-else-if="isLinearView"
	+ ref="linear"
	class="thread-body"
	>
	<article
	v-for="element in heightChartLinear"
	class="panel-body"
	:key="element.id ?? element.ids"
	>
	- <div
	- v-if="element.type === 'spacer'"
	- class="virtual-spacer"
	- :style="{ height: element.height + 'px' }"
	- />
	<Status
	v-if="element.type === 'status'"
	class="conversation-status"
	:class="getStatusClasses(status)"
	:status-id="element.status.id"
	:replies="getReplies(status.id)"

	:focused="focused === element.id \|\| focused === element.status.retweeted_status?.id"

	@goto="setFocused"
	@toggle-expanded="toggleExpanded"
	@suspendable-state-change="changeSuspendStateLinear"
	@height-change="updateVirtualHeightLinear"
	/>
	+ <div
	+ v-if="element.type === 'spacer'"
	+ class="virtual-spacer"
	+ :style="{ height: element.height + 'px' }"
	+ />
	</article>
	</div>
	</div>
	</div>
	</template>

	<script src="./conversation.js"></script>
	<style src="./conversation.scss" />
	diff --git a/src/composables/useTreeConversationTopology.js b/src/composables/useTreeConversationTopology.js
	index a698635de6..b2ce7e23d5 100644
	--- a/src/composables/useTreeConversationTopology.js
	+++ b/src/composables/useTreeConversationTopology.js
	@@ -1,111 +1,111 @@
	import { storeToRefs } from 'pinia'
	import { computed, ref } from 'vue'

	import { useMergedConfigStore } from 'src/stores/merged_config.js'
	import { useStatusesStore } from 'src/stores/statuses.js'

	export function useTreeConversationTopology(conversation, replies, current) {
	const getStatusObject = (id) => useStatusesStore().allStatuses.get(id)
	const getReplies = (id) => replies.value.get(id) ?? new Set()

	const { mergedConfig } = storeToRefs(useMergedConfigStore())

	const maxDepthToShowByDefault = computed(() => {
	// maxDepthInThread = max number of depths that is visible
	// since our depth starts with 0 and "showing" means "showing children"
	// there is a -2 here
	const maxDepth = mergedConfig.value.maxDepthInThread - 2
	return Math.min(1, maxDepth)
	})

	const ancestors = computed(() => {
	// First we fill map with empty sets and add given id's parent
	// as set's only element (if any)
	const parentMap = conversation.value.reduce(
	(result, { id, in_reply_to_status_id: irid }) => {
	if (!result.has(id)) {
	result.set(id, new Set())
	}
	if (irid) {
	// Setting parent for current item
	result.get(id).add(irid)
	}
	return result
	},
	new Map(),
	)

	// Next we iterate over each entry and fill the whole ancestry chain
	parentMap.entries().forEach(([originId, originSet]) => {
	let current = originSet.values().next().value
	while (current) {
	originSet.add(current)

	const parent = parentMap.get(current) ?? new Set()

	current = parent.values().next().value
	}
	})
	return parentMap
	})
	const topLevel = computed(() =>
	[...ancestors.value.entries()]
	.filter(([id, ancestors]) => ancestors.size === 0)
	.map(([id]) => getStatusObject(id)),
	)
	const getAncestorIds = (id) => ancestors.value.get(id) ?? new Set()
	const getAncestors = (id) =>
	[...getAncestorIds(id)].map(getStatusObject).filter(Boolean)
	const currentAncestors = computed(() => getAncestors(current.value).reverse())
	const currentDepth = computed(() => currentAncestors.value.length)

	// Thread Display, for collapsing/expanding tree branches
	// Map of id => 'showing' \| 'hidden'
	const threadDisplayOverride = ref(new Map())
	const threadDisplayDefault = computed(() => {
	return conversation.value.reduce((map, status) => {
	const { id } = status
	const depth = ancestors.value.get(id).size

	const state = (() => {
	if (depth - currentDepth.value <= maxDepthToShowByDefault.value) {
	return 'showing'
	} else {
	return 'hidden'
	}
	})()

	map.set(id, state)
	return map
	}, new Map())
	})
	const threadDisplay = computed(() => {
	return new Map(
	- [...threadDisplayOverride.value.entries()].map(([k, v]) => [
	+ [...threadDisplayDefault.value.entries()].map(([k, v]) => [
	k,
	threadDisplayOverride.value.get(k) ?? threadDisplayDefault.value.get(k),
	]),
	)
	})

	const setThreadDisplayRecursively = (id, value) => {
	threadDisplayOverride.value.set(id, value)
	;[...getReplies(id)]
	.map((k) => k.id)
	.map((id) => setThreadDisplayRecursively(id, value))
	}
	const showThreadRecursively = (id) => {
	setThreadDisplayRecursively(id, 'showing')
	}
	const resetThreadDisplay = () => {
	threadDisplayOverride.value = new Map()
	}

	return {
	topLevel,
	currentAncestors,
	threadDisplay,
	showThreadRecursively,
	resetThreadDisplay,
	}
	}
	diff --git a/src/composables/useVirtualScrolling.js b/src/composables/useVirtualScrolling.js
	index b6cb769fc1..18cffe58b7 100644
	--- a/src/composables/useVirtualScrolling.js
	+++ b/src/composables/useVirtualScrolling.js
	@@ -1,169 +1,169 @@
	import { storeToRefs } from 'pinia'
	-import { computed, onMounted, ref, watch } from 'vue'
	+import { computed, ref, watch } from 'vue'

	import { useMergedConfigStore } from 'src/stores/merged_config.js'
	import { useStatusesStore } from 'src/stores/statuses.js'

	import { useScrollPosition } from 'src/composables/useScrollPosition.js'
	import { useWindowSize } from 'src/composables/useWindowSize.js'

	export function useVirtualScrolling(conversation, body) {
	const getStatusObject = (id) => useStatusesStore().allStatuses.get(id)

	const { mergedConfig } = storeToRefs(useMergedConfigStore())

	const unsuspendibleIds = ref(new Set())
	const changeSuspendState = ({ id, suspend }) => {
	if (!suspend) {
	unsuspendibleIds.value.add(id)
	} else {
	unsuspendibleIds.value.delete(id)
	}
	}

	// Getting the actual font size in pixels since UI might have
	// a different scale
	const fontSizeSetting = computed(() => mergedConfig.value.textSize)
	const fontSize = ref(0)
	const updateFontSize = () => {
	const string = window
	.getComputedStyle(document.body)
	.getPropertyValue('font-size')
	fontSize.value = Number.parseInt(string.slice(0, -2), 10) // remove the 'px'
	}
	// Update font size if user changed UI scale
	watch(fontSizeSetting, updateFontSize)

	// Placeholder heights.
	const mutedStatusHeight = computed(() => {
	return fontSize.value * 1.5
	})
	const normalStatusHeight = computed(() => {
	return fontSize.value * 10
	})

	// Add buffer zone to boundary, equal to approx 3 statuses heights
	const buffer = computed(() => normalStatusHeight.value * 3)

	// Heights map.
	const heights = ref(new Map())
	const totalHeight = computed(() =>
	conversation.value.reduce((acc, item) => {
	if (heights.value.has(item.id)) {
	return acc + heights.value.get(item.id)
	} else if (item.muted) {
	return acc + mutedStatusHeight.value
	} else {
	return acc + normalStatusHeight.value
	}
	}, 0),
	)
	const updateVirtualHeight = ({ id, height }) => {
	heights.value.set(id, height)
	}

	// Scrolling
	const { y: scrollY } = useScrollPosition()
	const { height: windowHeight } = useWindowSize()

	const topScrollBoundary = ref(0)
	const bottomScrollBoundary = ref(0)
	const updateBoundaries = () => {
	if (!body.value) return // Not mounted yet

	const { top } = body.value.getBoundingClientRect()

	const distanceItemTopToWindowTop = 0 - top
	const distanceItemTopToWindowBottom = windowHeight.value - top

	topScrollBoundary.value = distanceItemTopToWindowTop
	bottomScrollBoundary.value = distanceItemTopToWindowBottom
	}
	watch(windowHeight, updateBoundaries)
	watch(scrollY, updateBoundaries)
	watch(totalHeight, updateBoundaries)
	- onMounted(updateBoundaries)
	+ watch(body, updateBoundaries)

	const heightChart = computed(() => {
	// Map every height and suspendable state
	const chart = conversation.value.map(({ id }) => {
	const status = getStatusObject(id)
	const height =
	(() => {
	if (heights.value.has(id)) {
	return heights.value.get(id)
	} else if (status?.muted) {
	return mutedStatusHeight.value
	} else {
	return normalStatusHeight.value
	}
	})() + 1 //including border
	const suspendable = !unsuspendibleIds.value.has(id)
	return { id, height, suspendable, status }
	})

	// Walk over the list to set top offsets
	chart.reduce((sum, item) => {
	item.top = sum
	return sum + item.height
	}, 0)

	// Determine visibility state
	chart.forEach((heightChartItem) => {
	const itemBottomBoundary = heightChartItem.top + heightChartItem.height
	const itemTopBoundary = heightChartItem.top

	const finalTopScrollBoundary = topScrollBoundary.value - buffer.value
	const finalBottomScrollBoundary =
	bottomScrollBoundary.value + buffer.value

	// To be visible, item's bottom boundary shoud be below top scroll boundary)
	const isBelowTopBoundary = itemBottomBoundary > finalTopScrollBoundary
	// To be visible, item's top boundary shoud be above bottom scroll boundary)
	const isAboveBottomBoundary = itemTopBoundary < finalBottomScrollBoundary
	// This accounts for the case where item's boundaries exceed scroll boundary

	heightChartItem.visible = isBelowTopBoundary && isAboveBottomBoundary
	})

	// Group invisible statuses into spacers
	return chart.reduce((acc, heightChartItem) => {
	const { suspendable, visible, height, top, bottom, id, status } =
	heightChartItem
	const present = visible \|\| !suspendable
	if (present) {
	return [...acc, { type: 'status', height, top, bottom, id, status }]
	} else {
	const previousItem = acc[acc.length - 1]
	const spacer =
	previousItem?.type === 'spacer'
	? previousItem
	: {
	type: 'spacer',
	top: Number.POSITIVE_INFINITY,
	bottom: Number.POSITIVE_INFINITY,
	height: 0,
	ids: new Set(),
	}

	spacer.ids.add(id)
	spacer.id = [...spacer.ids].join()
	spacer.height += height
	if (top < spacer.top) spacer.top = top
	if (bottom < spacer.bottom) spacer.bottom = bottom

	if (previousItem?.type === 'spacer') {
	return acc
	} else {
	return [...acc, spacer]
	}
	}
	}, [])
	})

	return {
	heightChart,
	changeSuspendState,
	updateVirtualHeight,
	}
	}

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