diff --git a/packages/file-types/spatial-zarr/package.json b/packages/file-types/spatial-zarr/package.json
index b39fd69a18..c11a4557bf 100644
--- a/packages/file-types/spatial-zarr/package.json
+++ b/packages/file-types/spatial-zarr/package.json
@@ -26,25 +26,27 @@
     "dist-tsc"
   ],
   "scripts": {
-    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config.mjs",
+    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config2.mjs",
     "test": "pnpm exec vitest --run"
   },
   "dependencies": {
     "@vitessce/abstract": "workspace:*",
     "@vitessce/error": "workspace:*",
-    "@vitessce/gl": "workspace:*",
     "@vitessce/spatial-utils": "workspace:*",
     "@vitessce/image-utils": "workspace:*",
     "@vitessce/zarr": "workspace:*",
     "@vitessce/config": "workspace:*",
     "@vitessce/globals": "workspace:*",
+    "@math.gl/core": "catalog:",
     "d3-array": "catalog:",
     "lodash-es": "catalog:",
-    "zarrita": "catalog:",
     "apache-arrow": "catalog:",
     "parquet-wasm": "catalog:",
     "ol": "^10.2.1"
   },
+  "peerDependencies": {
+    "zarrita": "catalog:"
+  },
   "devDependencies": {
     "@vitessce/types": "workspace:*",
     "@zarrita/storage": "catalog:"
diff --git a/packages/file-types/spatial-zarr/src/ome-loaders/OmeZarrAsObsSegmentationsLoader.js b/packages/file-types/spatial-zarr/src/ome-loaders/OmeZarrAsObsSegmentationsLoader.js
index 02f814dfca..b829249b50 100644
--- a/packages/file-types/spatial-zarr/src/ome-loaders/OmeZarrAsObsSegmentationsLoader.js
+++ b/packages/file-types/spatial-zarr/src/ome-loaders/OmeZarrAsObsSegmentationsLoader.js
@@ -1,8 +1,8 @@
 import { CoordinationLevel as CL } from '@vitessce/config';
 import { LoaderResult } from '@vitessce/abstract';
-import { GLSL_COLORMAP_DEFAULT } from '@vitessce/gl';
-import OmeZarrLoader from './OmeZarrLoader.js';
 
+import OmeZarrLoader from './OmeZarrLoader.js';
+const GLSL_COLORMAP_DEFAULT = 'plasma';
 export default class OmeZarrAsObsSegmentationsLoader extends OmeZarrLoader {
   async load() {
     const { obsTypesFromChannelNames } = this.options || {};
diff --git a/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSegmentationsLoader.js b/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSegmentationsLoader.js
index 14a1550c77..b3517211f5 100644
--- a/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSegmentationsLoader.js
+++ b/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSegmentationsLoader.js
@@ -5,12 +5,12 @@ import { CoordinationLevel as CL } from '@vitessce/config';
 import {
   coordinateTransformationsToMatrixForSpatialData,
 } from '@vitessce/spatial-utils';
-import { GLSL_COLORMAP_DEFAULT, math } from '@vitessce/gl';
+import { Vector2 } from '@math.gl/core';
 import {
   OLD_SHAPES_DEFAULT_AXES,
   OLD_SHAPES_DEFAULT_COORDINATE_TRANSFORMATIONS,
 } from './old-defaults.js';
-
+const GLSL_COLORMAP_DEFAULT = 'plasma';
 function getGeometryPath(path) {
   return `${path}/geometry`;
 }
@@ -63,7 +63,7 @@ export default class SpatialDataObsSegmentationsLoader extends AbstractTwoStepLo
 
       // Apply transformation matrix to the coordinates
       const transformedCoords = polygons.map(polygon => polygon.map((coord) => {
-        const transformed = new math.Vector2(coord[0], coord[1])
+        const transformed = new Vector2(coord[0], coord[1])
           .transformAsPoint(modelMatrix);
         return [transformed[0], transformed[1]];
       }));
diff --git a/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSpotsLoader.js b/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSpotsLoader.js
index 2517c9d61c..b5212911ff 100644
--- a/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSpotsLoader.js
+++ b/packages/file-types/spatial-zarr/src/spatialdata-loaders/SpatialDataObsSpotsLoader.js
@@ -6,7 +6,7 @@ import { CoordinationLevel as CL } from '@vitessce/config';
 import {
   coordinateTransformationsToMatrixForSpatialData,
 } from '@vitessce/spatial-utils';
-import { math } from '@vitessce/gl';
+import { Vector2 } from '@math.gl/core';
 import {
   OLD_SHAPES_DEFAULT_AXES,
   OLD_SHAPES_DEFAULT_COORDINATE_TRANSFORMATIONS,
@@ -86,7 +86,7 @@ export default class SpatialDataObsSpotsLoader extends AbstractTwoStepLoader {
       for (let i = 0; i < this.locations.shape[1]; i++) {
         const xCoord = this.locations.data[0][i];
         const yCoord = this.locations.data[1][i];
-        const transformed = new math.Vector2(xCoord, yCoord)
+        const transformed = new Vector2(xCoord, yCoord)
           .transformAsPoint(modelMatrix);
         // eslint-disable-next-line prefer-destructuring
         this.locations.data[0][i] = transformed[0];
diff --git a/packages/file-types/zarr/package.json b/packages/file-types/zarr/package.json
index 12d9f9ba9f..55e29e9115 100644
--- a/packages/file-types/zarr/package.json
+++ b/packages/file-types/zarr/package.json
@@ -26,7 +26,7 @@
     "dist-tsc"
   ],
   "scripts": {
-    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config.mjs",
+    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config2.mjs",
     "test": "pnpm exec vitest --run"
   },
   "dependencies": {
@@ -41,11 +41,13 @@
     "@vitessce/globals": "workspace:*",
     "d3-array": "catalog:",
     "lodash-es": "catalog:",
-    "zarrita": "catalog:",
     "apache-arrow": "catalog:",
     "parquet-wasm": "catalog:",
     "ol": "^10.2.1"
   },
+  "peerDependencies": {
+    "zarrita": "catalog:"
+  },
   "devDependencies": {
     "@vitessce/types": "workspace:*"
   }
diff --git a/packages/file-types/zarr/src/json-fixtures/README.md b/packages/file-types/zarr/src/json-fixtures/README.md
deleted file mode 100644
index d82976f4f5..0000000000
--- a/packages/file-types/zarr/src/json-fixtures/README.md
+++ /dev/null
@@ -1,28 +0,0 @@
-From the root of the repository:
-```sh
-# anndata-0.7
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.7/anndata-csc.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.7/anndata-csc.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.7/anndata-csr.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.7/anndata-csr.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.7/anndata-dense.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.7/anndata-dense.json
-
-# anndata-0.8
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.8/anndata-csc.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.8/anndata-csc.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.8/anndata-csr.adata.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.8/anndata-csr.adata.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.8/anndata-dense.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.8/anndata-dense.json
-
-# anndata-0.9
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.9/anndata-csc.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.9/anndata-csc.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.9/anndata-csr.adata.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.9/anndata-csr.adata.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.9/anndata-dense.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.9/anndata-dense.json
-
-# anndata-0.10
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.10/anndata-csc.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.10/anndata-csc.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.10/anndata-csr.adata.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.10/anndata-csr.adata.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/anndata-0.10/anndata-dense.zarr packages/file-types/zarr/src/json-fixtures/anndata-0.10/anndata-dense.json
-
-# mudata-0.2
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/mudata-0.2/mudata-csc.zarr packages/file-types/zarr/src/json-fixtures/mudata-0.2/mudata-csc.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/mudata-0.2/mudata-csr.zarr packages/file-types/zarr/src/json-fixtures/mudata-0.2/mudata-csr.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/mudata-0.2/mudata-dense.zarr packages/file-types/zarr/src/json-fixtures/mudata-0.2/mudata-dense.json
-node scripts/directory-to-memory-store.mjs packages/file-types/zarr/fixtures/mudata-0.2/mudata-dense-updated.zarr packages/file-types/zarr/src/json-fixtures/mudata-0.2/mudata-dense-updated.json
-```
\ No newline at end of file
diff --git a/packages/utils/image-utils/package.json b/packages/utils/image-utils/package.json
index a98ad5a822..1180fa4e54 100644
--- a/packages/utils/image-utils/package.json
+++ b/packages/utils/image-utils/package.json
@@ -34,7 +34,8 @@
     "@vitessce/spatial-utils": "workspace:*",
     "@vitessce/utils": "workspace:*",
     "@vitessce/globals": "workspace:*",
-    "@hms-dbmi/viv": "catalog:"
+    "@vivjs/loaders": "^0.16.0",
+    "quickselect": "^2.0.0"
   },
   "devDependencies": {
     "vite": "catalog:",
diff --git a/packages/utils/image-utils/src/ome-tiff-types.ts b/packages/utils/image-utils/src/ome-tiff-types.ts
index cbcf5ef743..87e29b55f9 100644
--- a/packages/utils/image-utils/src/ome-tiff-types.ts
+++ b/packages/utils/image-utils/src/ome-tiff-types.ts
@@ -1,4 +1,4 @@
-import type { TiffPixelSource } from '@hms-dbmi/viv';
+import type { TiffPixelSource } from '@vivjs/loaders';
 
 type DimensionOrder = 'XYZCT'
   | 'XYZTC'
diff --git a/packages/utils/image-utils/src/ome-zarr-types.ts b/packages/utils/image-utils/src/ome-zarr-types.ts
index 02ef4179d8..eafce1c412 100644
--- a/packages/utils/image-utils/src/ome-zarr-types.ts
+++ b/packages/utils/image-utils/src/ome-zarr-types.ts
@@ -1,4 +1,4 @@
-import type { ZarrPixelSource } from '@hms-dbmi/viv';
+import type { ZarrPixelSource } from '@vivjs/loaders';
 
 type Channel = {
   channelsVisible: boolean;
diff --git a/packages/utils/spatial-utils/package.json b/packages/utils/spatial-utils/package.json
index a0c6b92307..4453df7549 100644
--- a/packages/utils/spatial-utils/package.json
+++ b/packages/utils/spatial-utils/package.json
@@ -26,18 +26,21 @@
     "dist-tsc"
   ],
   "scripts": {
-    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config.mjs",
+    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config2.mjs",
     "test": "pnpm exec vitest --run"
   },
+  "peerDependencies": {
+    "zarrita": "catalog:"
+  },
   "dependencies": {
-    "@vitessce/gl": "workspace:*",
+    "@vivjs/loaders": "^0.16.0",
+    "quickselect": "^2.0.0",
     "@vitessce/utils": "workspace:*",
     "@vitessce/zarr-utils": "workspace:*",
     "@vitessce/constants-internal": "workspace:*",
     "@vitessce/globals": "workspace:*",
     "@vitessce/error": "workspace:*",
     "lodash-es": "catalog:",
-    "zarrita": "catalog:",
     "math.gl": "catalog:",
     "mathjs": "catalog:",
     "internmap": "catalog:"
diff --git a/packages/utils/spatial-utils/src/constants.js b/packages/utils/spatial-utils/src/constants.js
index 22adb8e101..c62def278f 100644
--- a/packages/utils/spatial-utils/src/constants.js
+++ b/packages/utils/spatial-utils/src/constants.js
@@ -1,10 +1,36 @@
-import { viv } from '@vitessce/gl';
+export const DTYPE_VALUES = {
+  Uint8: {
+    max: 2 ** 8 - 1,
+  },
+  Uint16: {
+    max: 2 ** 16 - 1,
+  },
+  Uint32: {
+    max: 2 ** 32 - 1,
+  },
+  Float32: {
+    max: 3.4 * 10 ** 38,
+  },
+  Int8: {
+    max: 2 ** (8 - 1) - 1,
+  },
+  Int16: {
+    max: 2 ** (16 - 1) - 1,
+  },
+  Int32: {
+    max: 2 ** (32 - 1) - 1,
+  },
+  // Cast Float64 as 32 bit float point so it can be rendered.
+  Float64: {
+    max: 3.4 * 10 ** 38,
+  }
+};
 
 function getDomains() {
   const domains = {};
   const needMin = ['Int8', 'Int16', 'Int32'];
-  Object.keys(viv.DTYPE_VALUES).forEach((dtype) => {
-    const { max } = viv.DTYPE_VALUES[dtype];
+  Object.keys(DTYPE_VALUES).forEach((dtype) => {
+    const { max } = DTYPE_VALUES[dtype];
     const min = needMin.includes(dtype) ? -(max + 1) : 0;
     domains[dtype] = [min, max];
   });
diff --git a/packages/utils/spatial-utils/src/layer-controller.js b/packages/utils/spatial-utils/src/layer-controller.js
index 31fff5da61..606491ddc5 100644
--- a/packages/utils/spatial-utils/src/layer-controller.js
+++ b/packages/utils/spatial-utils/src/layer-controller.js
@@ -1,4 +1,4 @@
-import { viv } from '@vitessce/gl';
+import { getChannelStats } from '@vivjs/loaders';
 import { Matrix4 } from 'math.gl';
 
 // Returns an rgb string for display, and changes the color (arr)
@@ -31,7 +31,7 @@ async function getSingleSelectionStats2D({ loader, selection }) {
   const data = Array.isArray(loader) ? loader[loader.length - 1] : loader;
   const filteredSelection = filterSelection(loader, selection);
   const raster = await data.getRaster({ selection: filteredSelection });
-  const selectionStats = viv.getChannelStats(raster.data);
+  const selectionStats = getChannelStats(raster.data);
   const { domain, contrastLimits: slider } = selectionStats;
   return { domain, slider };
 }
@@ -50,9 +50,9 @@ async function getSingleSelectionStats3D({ loader, selection }) {
   const rasterTop = await lowResSource.getRaster({
     selection: { ...filteredSelection, z: Math.max(0, sizeZ - 1) },
   });
-  const stats0 = viv.getChannelStats(raster0.data);
-  const statsMid = viv.getChannelStats(rasterMid.data);
-  const statsTop = viv.getChannelStats(rasterTop.data);
+  const stats0 = getChannelStats(raster0.data);
+  const statsMid = getChannelStats(rasterMid.data);
+  const statsTop = getChannelStats(rasterTop.data);
   return {
     domain: [
       Math.min(stats0.domain[0], statsMid.domain[0], statsTop.domain[0]),
diff --git a/packages/utils/spatial-utils/src/load-ome-zarr.js b/packages/utils/spatial-utils/src/load-ome-zarr.js
index 6fc3965558..3f11daf03b 100644
--- a/packages/utils/spatial-utils/src/load-ome-zarr.js
+++ b/packages/utils/spatial-utils/src/load-ome-zarr.js
@@ -1,4 +1,4 @@
-import { viv } from '@vitessce/gl';
+import { ZarrPixelSource } from '@vivjs/loaders';
 import { open as zarrOpen } from 'zarrita';
 import { createZarrArrayAdapter } from '@vitessce/zarr-utils';
 import { ZarrNodeNotFoundError } from '@vitessce/error';
@@ -68,7 +68,7 @@ async function loadMultiscales(root) {
   };
 }
 
-export class ZarritaPixelSource extends viv.ZarrPixelSource {
+export class ZarritaPixelSource extends ZarrPixelSource {
   constructor(arr, labels, tileSize) {
     super(arr, labels, tileSize);
     // We prevent reading chunks directly, since Zarrita does not
diff --git a/packages/utils/zarr-utils/package.json b/packages/utils/zarr-utils/package.json
index fe56db9bd5..94898de19c 100644
--- a/packages/utils/zarr-utils/package.json
+++ b/packages/utils/zarr-utils/package.json
@@ -26,15 +26,15 @@
     "dist-tsc"
   ],
   "scripts": {
-    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config.mjs",
+    "bundle": "pnpm exec vite build -c ../../../scripts/vite.config2.mjs",
     "test": "pnpm exec vitest --run"
   },
   "dependencies": {
-    "zarrita": "catalog:",
     "@zarrita/storage": "catalog:",
     "@vitessce/globals": "workspace:*"
   },
   "devDependencies": {
-    "unzipit": "^1.4.3"
+    "unzipit": "^1.4.3",
+    "zarrita": "catalog:"
   }
 }
diff --git a/packages/utils/zarr-utils/vite.config.mjs b/packages/utils/zarr-utils/vite.config.mjs
new file mode 100644
index 0000000000..87eedd8538
--- /dev/null
+++ b/packages/utils/zarr-utils/vite.config.mjs
@@ -0,0 +1,30 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { serveTestFixtures, svgLoaderForNeuroglancerIcons } from '../../vite.config.mjs';
+
+
+export default defineConfig({
+  base: './',
+  plugins: [
+    react({
+      jsxRuntime: 'classic',
+    }),
+    serveTestFixtures(),
+    svgLoaderForNeuroglancerIcons(),
+  ],
+  define: {
+    // References:
+    // - https://github.com/smnhgn/vite-plugin-package-version/blob/master/src/index.ts#L10
+    // - https://stackoverflow.com/a/70524430
+    'import.meta.env.PACKAGE_VERSION': JSON.stringify(process.env.npm_package_version),
+  },
+  server: {
+    fs: {
+      // Without this, Vite blocks data-URI query parameters,
+      // such as http://localhost:3000/?url=data:,{}
+      strict: false,
+    },
+  },
+});
+
+
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0b9a5e8a1e..a747db2c02 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -731,6 +731,9 @@ importers:
 
   packages/file-types/spatial-zarr:
     dependencies:
+      '@math.gl/core':
+        specifier: 'catalog:'
+        version: 3.6.3
       '@vitessce/abstract':
         specifier: workspace:*
         version: link:../abstract
@@ -740,9 +743,6 @@ importers:
       '@vitessce/error':
         specifier: workspace:*
         version: link:../../error
-      '@vitessce/gl':
-        specifier: workspace:*
-        version: link:../../gl
       '@vitessce/globals':
         specifier: workspace:*
         version: link:../../globals
@@ -1484,9 +1484,6 @@ importers:
 
   packages/utils/image-utils:
     dependencies:
-      '@hms-dbmi/viv':
-        specifier: 'catalog:'
-        version: 0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/react@8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)(react@19.1.0)
       '@vitessce/globals':
         specifier: workspace:*
         version: link:../../globals
@@ -1499,6 +1496,12 @@ importers:
       '@vitessce/utils':
         specifier: workspace:*
         version: link:../other-utils
+      '@vivjs/loaders':
+        specifier: ^0.16.0
+        version: 0.16.0
+      quickselect:
+        specifier: ^2.0.0
+        version: 2.0.0
     devDependencies:
       vite:
         specifier: 'catalog:'
@@ -1575,9 +1578,6 @@ importers:
       '@vitessce/error':
         specifier: workspace:*
         version: link:../../error
-      '@vitessce/gl':
-        specifier: workspace:*
-        version: link:../../gl
       '@vitessce/globals':
         specifier: workspace:*
         version: link:../../globals
@@ -1587,6 +1587,9 @@ importers:
       '@vitessce/zarr-utils':
         specifier: workspace:*
         version: link:../zarr-utils
+      '@vivjs/loaders':
+        specifier: ^0.16.0
+        version: 0.16.0
       internmap:
         specifier: 'catalog:'
         version: 2.0.3
@@ -1599,6 +1602,9 @@ importers:
       mathjs:
         specifier: 'catalog:'
         version: 9.5.2
+      quickselect:
+        specifier: ^2.0.0
+        version: 2.0.0
       zarrita:
         specifier: 'catalog:'
         version: 0.5.4
@@ -1611,13 +1617,13 @@ importers:
       '@zarrita/storage':
         specifier: 'catalog:'
         version: 0.1.3
-      zarrita:
-        specifier: 'catalog:'
-        version: 0.5.4
     devDependencies:
       unzipit:
         specifier: ^1.4.3
         version: 1.4.3
+      zarrita:
+        specifier: 'catalog:'
+        version: 0.5.4
 
   packages/vega:
     dependencies:
@@ -18028,13 +18034,6 @@ snapshots:
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
 
-  '@deck.gl/react@8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0)':
-    dependencies:
-      '@deck.gl/core': 8.8.27
-      '@types/react': 19.1.6
-      react: 19.1.0
-      react-dom: 19.1.0(react@19.1.0)
-
   '@discoveryjs/json-ext@0.5.7': {}
 
   '@docsearch/css@3.9.0': {}
@@ -19248,26 +19247,6 @@ snapshots:
       - '@luma.gl/webgl'
       - react
 
-  '@hms-dbmi/viv@0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/react@8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)(react@19.1.0)':
-    dependencies:
-      '@vivjs/constants': 0.16.0
-      '@vivjs/extensions': 0.16.0(@deck.gl/core@8.8.27)
-      '@vivjs/layers': 0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)
-      '@vivjs/loaders': 0.16.0
-      '@vivjs/types': 0.16.0
-      '@vivjs/viewers': 0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/react@8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)(react@19.1.0)
-      '@vivjs/views': 0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)
-    transitivePeerDependencies:
-      - '@deck.gl/core'
-      - '@deck.gl/geo-layers'
-      - '@deck.gl/layers'
-      - '@deck.gl/react'
-      - '@luma.gl/constants'
-      - '@luma.gl/core'
-      - '@luma.gl/engine'
-      - '@luma.gl/webgl'
-      - react
-
   '@humanwhocodes/config-array@0.10.7':
     dependencies:
       '@humanwhocodes/object-schema': 1.2.1
@@ -22907,23 +22886,6 @@ snapshots:
       - '@luma.gl/engine'
       - '@luma.gl/webgl'
 
-  '@vivjs/viewers@0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/react@8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)(react@19.1.0)':
-    dependencies:
-      '@deck.gl/react': 8.8.27(@deck.gl/core@8.8.27)(@types/react@19.1.6)(react-dom@19.1.0(react@19.1.0))(react@19.1.0)
-      '@vivjs/constants': 0.16.0
-      '@vivjs/extensions': 0.16.0(@deck.gl/core@8.8.27)
-      '@vivjs/views': 0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)
-      fast-deep-equal: 3.1.3
-      react: 19.1.0
-    transitivePeerDependencies:
-      - '@deck.gl/core'
-      - '@deck.gl/geo-layers'
-      - '@deck.gl/layers'
-      - '@luma.gl/constants'
-      - '@luma.gl/core'
-      - '@luma.gl/engine'
-      - '@luma.gl/webgl'
-
   '@vivjs/views@0.16.0(@deck.gl/core@8.8.27)(@deck.gl/geo-layers@8.8.27(@deck.gl/core@8.8.27)(@deck.gl/extensions@8.8.27(@deck.gl/core@8.8.27)(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(gl-matrix@3.4.3))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@deck.gl/mesh-layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/webgl@8.5.21))(@loaders.gl/core@3.2.10)(@loaders.gl/gltf@3.2.10)(@loaders.gl/images@3.2.10)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/gltools@8.5.21)(@luma.gl/shadertools@8.5.21)(@luma.gl/webgl@8.5.21))(@deck.gl/layers@8.8.27(@deck.gl/core@8.8.27)(@loaders.gl/core@3.2.10)(@luma.gl/core@8.5.21))(@luma.gl/constants@8.5.21)(@luma.gl/core@8.5.21)(@luma.gl/engine@8.5.21)(@luma.gl/webgl@8.5.21)':
     dependencies:
       '@deck.gl/core': 8.8.27
diff --git a/scripts/vite.config2.mjs b/scripts/vite.config2.mjs
new file mode 100644
index 0000000000..fee75625c2
--- /dev/null
+++ b/scripts/vite.config2.mjs
@@ -0,0 +1,60 @@
+import react from '@vitejs/plugin-react';
+import { defineConfig } from 'vite';
+import { resolve, basename } from 'path';
+import { existsSync } from 'fs';
+import { svgLoaderForNeuroglancerIcons } from '../vite.config.mjs';
+
+
+const cwd = process.cwd();
+
+// Need to make vit-s external for dependents (but vit-s is not dependent on itself),
+// otherwise there will be issues with Zustand stores.
+const moreExternals = basename(cwd) === 'vit-s' ? [] : ['@vitessce/vit-s'];
+
+// For bundling "sub-packages".
+export default defineConfig({
+  root: cwd,
+  build: {
+    emptyOutDir: true,
+    minify: false,
+    sourcemap: false,
+    lib: {
+      entry: existsSync(resolve(cwd, 'src/index.ts')) ? resolve(cwd, 'src/index.ts') : resolve(cwd, 'src/index.js'),
+      // The file extension used by Vite depends on whether the package.json contains "type": "module".
+      // Reference: https://github.com/vitejs/vite/blob/1ee0014caa7ecf91ac147dca3801820020a4b8a0/docs/guide/build.md?plain=1#L212
+      fileName: 'index',
+      formats: ['es'],
+    },
+    rollupOptions: {
+      // 👇 'zarrita' has been added here to exclude it from the bundle.
+      external: ['react', 'react-dom', 'zarrita', ...moreExternals],
+      // output.globals required for UMD builds
+      // (e.g., no longer used since only generating ESM build)
+      /*
+      output: {
+        globals: {
+          react: 'React',
+          'react-dom': 'ReactDOM',
+          zarrita: 'Zarrita', // Add its global name if you use UMD/IIFE formats later
+        },
+      },
+      */
+    },
+  },
+  define: {
+    'process.env.NODE_ENV': `"${process.env.APP_ENV}"`,
+  },
+  plugins: [
+    react({
+      jsxRuntime: 'classic'
+    }),
+    svgLoaderForNeuroglancerIcons(),
+  ],
+  // To enable .js files that contain JSX to be imported.
+  // Reference: https://github.com/vitest-dev/vitest/issues/1564
+  esbuild: {
+    loader: 'tsx',
+    include: /src\/.*\.[tj]sx?$/,
+    exclude: [],
+  },
+});
\ No newline at end of file