diff --git a/packages/objectloader/src/index.js b/packages/objectloader/src/index.js
index 761b0a9d85..ef4ec423d2 100644
--- a/packages/objectloader/src/index.js
+++ b/packages/objectloader/src/index.js
@@ -119,6 +119,7 @@ export default class ObjectLoader {
 
   dispose() {
     this.buffer = []
+    this.promises = []
     Object.values(this.intervals).forEach((i) => clearInterval(i.interval))
   }
 
diff --git a/packages/viewer-sandbox/src/main.ts b/packages/viewer-sandbox/src/main.ts
index b8fbf646e8..bff383aa09 100644
--- a/packages/viewer-sandbox/src/main.ts
+++ b/packages/viewer-sandbox/src/main.ts
@@ -18,6 +18,8 @@ import {
   DiffExtension,
   FilteringExtension
 } from '@speckle/viewer'
+import { SectionTool } from '@speckle/viewer'
+import { SectionOutlines } from '@speckle/viewer'
 
 const createViewer = async (containerName: string, stream: string) => {
   const container = document.querySelector<HTMLElement>(containerName)
@@ -43,8 +45,8 @@ const createViewer = async (containerName: string, stream: string) => {
 
   const cameraController = viewer.createExtension(CameraController)
   const selection = viewer.createExtension(SelectionExtension)
-  // const sections = viewer.createExtension(SectionTool)
-  // const sectionOutlines = viewer.createExtension(SectionOutlines)
+  const sections = viewer.createExtension(SectionTool)
+  const sectionOutlines = viewer.createExtension(SectionOutlines)
   const measurements = viewer.createExtension(MeasurementsExtension)
   const filtering = viewer.createExtension(FilteringExtension)
   const explode = viewer.createExtension(ExplodeExtension)
@@ -53,8 +55,8 @@ const createViewer = async (containerName: string, stream: string) => {
   // const rotateCamera = viewer.createExtension(RotateCamera)
   cameraController // use it
   selection // use it
-  // sections // use it
-  // sectionOutlines // use it
+  sections // use it
+  sectionOutlines // use it
   measurements // use it
   filtering // use it
   explode // use it
@@ -119,7 +121,6 @@ const getStream = () => {
     // 'https://speckle.xyz/streams/da9e320dad/commits/5388ef24b8?c=%5B-7.66134,10.82932,6.41935,-0.07739,-13.88552,1.8697,0,1%5D'
     // Revit sample house (good for bim-like stuff with many display meshes)
     // 'https://speckle.xyz/streams/da9e320dad/commits/5388ef24b8'
-    // 'https://latest.speckle.dev/streams/c1faab5c62/commits/6c6e43e5f3'
     // 'https://latest.speckle.dev/streams/58b5648c4d/commits/60371ecb2d'
     // 'Super' heavy revit shit
     // 'https://speckle.xyz/streams/e6f9156405/commits/0694d53bb5'
@@ -347,12 +348,14 @@ const getStream = () => {
 
     // 'https://latest.speckle.dev/streams/92b620fb17/objects/7118603b197c00944f53be650ce721ec'
     // Blender Mega Test Stream
-    'https://latest.speckle.dev/streams/c1faab5c62/commits/2ecb757577'
+    // 'https://latest.speckle.dev/streams/c1faab5c62/commits/2ecb757577'
     // 'https://latest.speckle.dev/streams/c1faab5c62/commits/3deaea94af'
     // Text and Dimensions
     // 'https://latest.speckle.dev/streams/3f895e614f/commits/fbc78286c9'
     // 'https://latest.speckle.dev/streams/55cc1cbf0a/commits/aa72674507'
     // 'https://latest.speckle.dev/streams/55cc1cbf0a/commits/a7f74b6524'
+    // 'https://latest.speckle.dev/streams/85e05b8c72/commits/53f4328211'
+    'https://latest.speckle.dev/streams/aea12cab71/commits/787ade768e'
   )
 }
 
diff --git a/packages/viewer/src/IViewer.ts b/packages/viewer/src/IViewer.ts
index b9c33e2c91..c25422a6d9 100644
--- a/packages/viewer/src/IViewer.ts
+++ b/packages/viewer/src/IViewer.ts
@@ -120,8 +120,9 @@ export enum ObjectLayers {
 }
 
 export enum UpdateFlags {
-  RENDER = 1,
-  SHADOWS = 2
+  RENDER = 0b1,
+  SHADOWS = 0b10,
+  CLIPPING_PLANES = 0b100
 }
 
 export interface IViewer {
diff --git a/packages/viewer/src/modules/Intersections.ts b/packages/viewer/src/modules/Intersections.ts
index 409b1039b8..1d9d667536 100644
--- a/packages/viewer/src/modules/Intersections.ts
+++ b/packages/viewer/src/modules/Intersections.ts
@@ -148,7 +148,12 @@ export class Intersections {
         )
       )
       results = results.filter((result) => {
-        return this.boundsBuffer.containsPoint(result.point)
+        return (
+          this.boundsBuffer.containsPoint(result.point) ||
+          (result.pointOnLine
+            ? this.boundsBuffer.containsPoint(result.pointOnLine)
+            : false)
+        )
       })
     }
 
diff --git a/packages/viewer/src/modules/SpeckleRenderer.ts b/packages/viewer/src/modules/SpeckleRenderer.ts
index a488aae0bd..110fe4a63e 100644
--- a/packages/viewer/src/modules/SpeckleRenderer.ts
+++ b/packages/viewer/src/modules/SpeckleRenderer.ts
@@ -157,7 +157,7 @@ export default class SpeckleRenderer {
   }
 
   public get clippingVolume(): Box3 {
-    return !this._clippingVolume.isEmpty()
+    return !this._clippingVolume.isEmpty() && this._renderer.localClippingEnabled
       ? new Box3().copy(this._clippingVolume)
       : this.sceneBox
   }
@@ -609,6 +609,7 @@ export default class SpeckleRenderer {
 
     /** We'll just update the shadowcatcher after all batches are loaded */
     this.updateShadowCatcher()
+    this.updateClippingPlanes()
     delete this.cancel[subtreeId]
   }
 
@@ -801,9 +802,9 @@ export default class SpeckleRenderer {
     return this.batcher.batches[id]
   }
 
-  protected updateClippingPlanes(planes?: Plane[]) {
+  public updateClippingPlanes() {
     if (!this.allObjects) return
-    if (!planes) planes = this._clippingPlanes
+    const planes = this._clippingPlanes
 
     this.allObjects.traverse((object) => {
       const material = (object as unknown as { material }).material
diff --git a/packages/viewer/src/modules/Viewer.ts b/packages/viewer/src/modules/Viewer.ts
index b06ca30175..58f965f395 100644
--- a/packages/viewer/src/modules/Viewer.ts
+++ b/packages/viewer/src/modules/Viewer.ts
@@ -176,6 +176,9 @@ export class Viewer extends EventEmitter implements IViewer {
     if (flags & UpdateFlags.SHADOWS) {
       this.speckleRenderer.shadowMapNeedsUpdate = true
     }
+    if (flags & UpdateFlags.CLIPPING_PLANES) {
+      this.speckleRenderer.updateClippingPlanes()
+    }
   }
 
   private frame() {
@@ -298,7 +301,6 @@ export class Viewer extends EventEmitter implements IViewer {
 
     this.loaders[loader.resource] = loader
     const treeBuilt = await loader.load()
-
     if (treeBuilt) {
       const t0 = performance.now()
       for await (const step of this.speckleRenderer.addRenderTree(loader.resource)) {
@@ -318,7 +320,7 @@ export class Viewer extends EventEmitter implements IViewer {
       this.emit(ViewerEvent.LoadComplete, loader.resource)
     }
 
-    this.loaders[loader.resource].dispose()
+    if (this.loaders[loader.resource]) this.loaders[loader.resource].dispose()
     delete this.loaders[loader.resource]
     if (--this.inProgressOperations === 0)
       (this as EventEmitter).emit(ViewerEvent.Busy, false)
@@ -341,6 +343,10 @@ export class Viewer extends EventEmitter implements IViewer {
       if (++this.inProgressOperations === 1)
         (this as EventEmitter).emit(ViewerEvent.Busy, true)
       if (this.tree.findSubtree(resource)) {
+        if (this.loaders[resource]) {
+          await this.cancelLoad(resource, true)
+          return
+        }
         delete this.loaders[resource]
         this.speckleRenderer.removeRenderTree(resource)
         this.tree.getRenderTree(resource).purge()
@@ -361,6 +367,7 @@ export class Viewer extends EventEmitter implements IViewer {
       if (++this.inProgressOperations === 1)
         (this as EventEmitter).emit(ViewerEvent.Busy, true)
       for (const key of Object.keys(this.loaders)) {
+        if (this.loaders[key]) await this.cancelLoad(key, false)
         delete this.loaders[key]
       }
       this.tree.root.children.forEach((node) => {
diff --git a/packages/viewer/src/modules/batching/Batcher.ts b/packages/viewer/src/modules/batching/Batcher.ts
index 42b6cb01be..205bbeb32e 100644
--- a/packages/viewer/src/modules/batching/Batcher.ts
+++ b/packages/viewer/src/modules/batching/Batcher.ts
@@ -59,6 +59,9 @@ export default class Batcher {
       }
 
       let instancedNodes = worldTree.findId(g)
+      if (!instancedNodes) {
+        continue
+      }
       instancedNodes = instancedNodes.filter((node: TreeNode) => {
         return (
           node.model.renderView &&
diff --git a/packages/viewer/src/modules/extensions/FilteringExtension.ts b/packages/viewer/src/modules/extensions/FilteringExtension.ts
index acb9f7f1d0..c5a64ecb6e 100644
--- a/packages/viewer/src/modules/extensions/FilteringExtension.ts
+++ b/packages/viewer/src/modules/extensions/FilteringExtension.ts
@@ -338,9 +338,11 @@ export class FilteringExtension extends Extension {
   }
 
   public removeColorFilter(): FilteringState {
-    this.ColorStringFilterState = null
-    this.ColorNumericFilterState = null
-    return this.setFilters()
+    if (this.ColorNumericFilterState || this.ColorStringFilterState) {
+      this.ColorStringFilterState = null
+      this.ColorNumericFilterState = null
+      return this.setFilters()
+    }
   }
 
   public setUserObjectColors(groups: { objectIds: string[]; color: string }[]) {
@@ -512,7 +514,9 @@ export class FilteringExtension extends Extension {
       }
     }
 
-    this.Renderer.viewer.requestRender(UpdateFlags.RENDER | UpdateFlags.SHADOWS)
+    this.Renderer.viewer.requestRender(
+      UpdateFlags.RENDER | UpdateFlags.SHADOWS | UpdateFlags.CLIPPING_PLANES
+    )
     this.emit(ViewerEvent.FilteringStateSet, this.CurrentFilteringState)
     return this.CurrentFilteringState
   }
diff --git a/packages/viewer/src/modules/extensions/SectionTool.ts b/packages/viewer/src/modules/extensions/SectionTool.ts
index 803b68e34d..e55fb28a63 100644
--- a/packages/viewer/src/modules/extensions/SectionTool.ts
+++ b/packages/viewer/src/modules/extensions/SectionTool.ts
@@ -423,7 +423,7 @@ export class SectionTool extends Extension implements ISectionProvider {
     return this.boxGeometry.boundingBox
   }
 
-  public setBox(targetBox, offset = 0.05) {
+  public setBox(targetBox, offset = 0) {
     let box
 
     if (targetBox) box = targetBox
diff --git a/packages/viewer/src/modules/extensions/SelectionExtension.ts b/packages/viewer/src/modules/extensions/SelectionExtension.ts
index 1e4321865e..7e44307faa 100644
--- a/packages/viewer/src/modules/extensions/SelectionExtension.ts
+++ b/packages/viewer/src/modules/extensions/SelectionExtension.ts
@@ -5,7 +5,13 @@ import { NodeRenderView } from '../tree/NodeRenderView'
 import { Material } from 'three'
 import { InputEvent } from '../input/Input'
 import { MathUtils } from 'three'
-import { IViewer, ObjectLayers, SelectionEvent, ViewerEvent } from '../../IViewer'
+import {
+  IViewer,
+  ObjectLayers,
+  SelectionEvent,
+  UpdateFlags,
+  ViewerEvent
+} from '../../IViewer'
 import Materials, {
   DisplayStyle,
   MaterialOptions,
@@ -240,7 +246,7 @@ export class SelectionExtension extends Extension {
     this.viewer
       .getRenderer()
       .setMaterial(transparentRvs, this.transparentSelectionMaterialData)
-    this.viewer.requestRender()
+    this.viewer.requestRender(UpdateFlags.RENDER | UpdateFlags.CLIPPING_PLANES)
   }
 
   protected removeSelection(rvs?: Array<NodeRenderView>) {
diff --git a/packages/viewer/src/modules/loaders/Loader.ts b/packages/viewer/src/modules/loaders/Loader.ts
index f9611b4bf1..469fd70443 100644
--- a/packages/viewer/src/modules/loaders/Loader.ts
+++ b/packages/viewer/src/modules/loaders/Loader.ts
@@ -12,6 +12,7 @@ export abstract class Loader extends EventEmitter {
   protected _resourceData: string | ArrayBuffer
 
   public abstract get resource(): string
+  public abstract get finished(): boolean
 
   protected constructor(resource: string, resourceData: string | ArrayBuffer) {
     super()
diff --git a/packages/viewer/src/modules/loaders/OBJ/ObjLoader.ts b/packages/viewer/src/modules/loaders/OBJ/ObjLoader.ts
index 0ba78b486e..e67c5207e7 100644
--- a/packages/viewer/src/modules/loaders/OBJ/ObjLoader.ts
+++ b/packages/viewer/src/modules/loaders/OBJ/ObjLoader.ts
@@ -10,11 +10,16 @@ export class ObjLoader extends Loader {
   private baseLoader: OBJLoader
   private converter: ObjConverter
   private tree: WorldTree
+  private isFinished: boolean
 
   public get resource(): string {
     return this._resource
   }
 
+  public get finished(): boolean {
+    return this.isFinished
+  }
+
   public constructor(targetTree: WorldTree, resource: string, resourceData?: string) {
     super(resource, resourceData)
     this.tree = targetTree
@@ -65,7 +70,7 @@ export class ObjLoader extends Loader {
           .getRenderTree(this._resource)
           .buildRenderTree(new ObjGeometryConverter())
         Logger.log('Tree build time -> ', performance.now() - t0)
-
+        this.isFinished = true
         resolve(res)
       })
       pload.catch(() => {
@@ -76,6 +81,7 @@ export class ObjLoader extends Loader {
   }
 
   public cancel() {
+    this.isFinished = false
     throw new Error('Method not implemented.')
   }
   public dispose() {
diff --git a/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts b/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
index 277c1fb909..d6a90ca496 100644
--- a/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
+++ b/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
@@ -12,11 +12,16 @@ export class SpeckleLoader extends Loader {
   private tree: WorldTree
   private priority: number = 1
   private isCancelled = false
+  private isFinished = false
 
   public get resource(): string {
     return this._resource
   }
 
+  public get finished(): boolean {
+    return this.isFinished
+  }
+
   constructor(
     targetTree: WorldTree,
     resource: string,
@@ -82,7 +87,7 @@ export class SpeckleLoader extends Loader {
     for await (const obj of this.loader.getObjectIterator()) {
       if (this.isCancelled) {
         this.emit(LoaderEvent.LoadCancelled, this._resource)
-        return
+        return Promise.resolve(false)
       }
       if (first) {
         firstObjectPromise = this.converter.traverse(this._resource, obj, async () => {
@@ -118,18 +123,27 @@ export class SpeckleLoader extends Loader {
         message: `No displayable objects found in object ${this._resource}.`
       })
     }
+    if (this.isCancelled) {
+      return Promise.resolve(false)
+    }
+
     const t0 = performance.now()
     const geometryConverter = new SpeckleGeometryConverter()
-    const p = this.tree.getRenderTree(this._resource).buildRenderTree(geometryConverter)
+
+    const renderTree = this.tree.getRenderTree(this._resource)
+    if (!renderTree) return Promise.resolve(false)
+    const p = renderTree.buildRenderTree(geometryConverter)
 
     p.then(() => {
       Logger.log('ASYNC Tree build time -> ', performance.now() - t0)
+      this.isFinished = true
     })
     return p
   }
 
   cancel() {
     this.isCancelled = true
+    this.isFinished = false
   }
 
   dispose() {
diff --git a/packages/viewer/src/modules/tree/WorldTree.ts b/packages/viewer/src/modules/tree/WorldTree.ts
index 5b02bd85bd..7c0bd2a990 100644
--- a/packages/viewer/src/modules/tree/WorldTree.ts
+++ b/packages/viewer/src/modules/tree/WorldTree.ts
@@ -45,6 +45,9 @@ export class WorldTree {
     }
 
     const renderTreeRoot = subtreeId ? this.findSubtree(subtreeId) : this.root
+    if (!renderTreeRoot) {
+      return null
+    }
     const subtreeRootId = renderTreeRoot.model.id
     if (!this.renderTreeInstances[subtreeRootId]) {
       this.renderTreeInstances[subtreeRootId] = new RenderTree(this, renderTreeRoot)
@@ -99,7 +102,7 @@ export class WorldTree {
       return
     }
     node.model.subtreeId = parent.model.subtreeId
-    if (this.nodeMaps[parent.model.subtreeId].addNode(node)) parent.addChild(node)
+    if (this.nodeMaps[parent.model.subtreeId]?.addNode(node)) parent.addChild(node)
   }
 
   public removeNode(node: TreeNode) {