diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d416368df2..b82130426f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,53 @@ Each version should:
 Ref: http://keepachangelog.com/en/0.3.0/
 -->
 
+## deck.gl v9.1
+
+### deck.gl v9.1 Prereleases
+
+#### deck.gl [9.1.0-beta.1] - Nov 21 2024
+
+- Generic module props handling in Layer class (#9192)
+- Update license headers (#9191)
+- Upgrade mjolnir.js to v3 (#9144)
+- Remove updateModuleSettings from codebase (#9160)
+- Fix countItems in DataFilterExtension (#9158)
+- chore: Use WebGLDevice when using webgl-only APIs
+- Remove NaN uniform (#9174)
+- GPU Aggregation: miscellaneous clean up (#9142)
+- GPU Aggregation: Support *ScaleType and *Percentile props (#9130)
+- Aggregation UBO 2/2 (#9133)
+- Fix GPUAggregator on M chips (#9128)
+- Aggregation layers UBO (#9114)
+- GPU Aggregation (8/8): Remove legacy aggregator (#9100)
+- GPU Aggregation (7/8): ContourLayer (#9099)
+- GPU Aggregation (6/8): HexagonLayer (#9098)
+- GPU Aggregation (5/8): GridLayer (#9096)
+- refactor(json): Remove expression-eval dependency (#9070)
+- Update PBR code to use luma pbrMaterial (#9093)
+- Lighting UBO (#9074)
+- CARTO: HeatmapTileLayer full colorRange (#9068)
+- HeatmapLayer UBO (#9071)
+- shadow module UBO (#9054)
+- ShaderModule type update (#9044)
+- core module UBO (#9040)
+- carto module UBO (#9038)
+- HeatmapLayer fix to work with project UBO (#9037)
+- geo-layers UBO (#9036)
+- mesh-layers UBO (#9035)
+- refactor: Layers UBO (#9008)
+- Extensions UBOs (#9001)
+- DataFilterExtension UBOs (#8998)
+- Move ScatterplotLayer & BitmapLayer to UBOs (#8875)
+- GPU Aggregation (4/8): ScreenGridLayer (#8942)
+- GPU Aggregation (3/8): CPUAggregator (#8888)
+- GPU Aggregation (2/8): GPUAggregator (#8887)
+- GPU Aggregation (1/8): Aggregator and AggregationLayer (#8886)
+- Use UBOs in project module (#8782)
+- Remove WebGL-only triangle-fan topology (#8860)
+- feat(layers): Simplify ArcLayer (#8859)
+- chore: Remove internal texture parameters (v9.1) (#8851)
+
 ## deck.gl v9.0
 
 ### deck.gl v9.0 Prereleases
diff --git a/lerna.json b/lerna.json
index bc00597b1a3..543df94fab0 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,7 +1,7 @@
 {
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "npmClient": "yarn",
   "packages": [
     "modules/*"
   ]
-}
+}
\ No newline at end of file
diff --git a/modules/aggregation-layers/package.json b/modules/aggregation-layers/package.json
index 9a613df0182..9697aa4ae67 100644
--- a/modules/aggregation-layers/package.json
+++ b/modules/aggregation-layers/package.json
@@ -3,7 +3,7 @@
   "description": "deck.gl layers that aggregate the input data into alternative representations",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/arcgis/package.json b/modules/arcgis/package.json
index 1d1e8ef9af5..157ea5bc2f0 100644
--- a/modules/arcgis/package.json
+++ b/modules/arcgis/package.json
@@ -3,7 +3,7 @@
   "description": "Use deck.gl as a custom ArcGIS API for JavaScript layer",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/carto/package.json b/modules/carto/package.json
index 6a05e611ba9..c852cb9007b 100644
--- a/modules/carto/package.json
+++ b/modules/carto/package.json
@@ -3,7 +3,7 @@
   "description": "CARTO official integration with Deck.gl. Build geospatial applications using CARTO and Deck.gl.",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/core/package.json b/modules/core/package.json
index fd1ab2efd57..eb7e754dba3 100644
--- a/modules/core/package.json
+++ b/modules/core/package.json
@@ -3,7 +3,7 @@
   "description": "deck.gl core library",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/extensions/package.json b/modules/extensions/package.json
index 0e16a2a97b4..adf1e2d6fd2 100644
--- a/modules/extensions/package.json
+++ b/modules/extensions/package.json
@@ -3,7 +3,7 @@
   "description": "Plug-and-play functionalities for deck.gl layers",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/geo-layers/package.json b/modules/geo-layers/package.json
index d7c9953207e..fa323cd911c 100644
--- a/modules/geo-layers/package.json
+++ b/modules/geo-layers/package.json
@@ -3,7 +3,7 @@
   "description": "deck.gl layers supporting geospatial use cases and GIS formats",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/google-maps/package.json b/modules/google-maps/package.json
index 6679871391c..53996911ec8 100644
--- a/modules/google-maps/package.json
+++ b/modules/google-maps/package.json
@@ -3,7 +3,7 @@
   "description": "Use deck.gl as a custom Google Maps overlay",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/json/package.json b/modules/json/package.json
index 3604b5b7f41..f6413df7e20 100644
--- a/modules/json/package.json
+++ b/modules/json/package.json
@@ -3,7 +3,7 @@
   "description": "JSON format rendering components for deck.gl",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/jupyter-widget/package.json b/modules/jupyter-widget/package.json
index dec8ee8fe00..901eb2cf5a0 100644
--- a/modules/jupyter-widget/package.json
+++ b/modules/jupyter-widget/package.json
@@ -2,7 +2,7 @@
   "name": "@deck.gl/jupyter-widget",
   "description": "Jupyter widget for rendering deck.gl in a Jupyter notebook",
   "license": "MIT",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "keywords": [
     "jupyter",
     "jupyterlab",
@@ -29,12 +29,12 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
-    "@deck.gl/aggregation-layers": "9.1.0-alpha.0",
-    "@deck.gl/geo-layers": "9.1.0-alpha.0",
-    "@deck.gl/google-maps": "9.1.0-alpha.0",
-    "@deck.gl/json": "9.1.0-alpha.0",
-    "@deck.gl/layers": "9.1.0-alpha.0",
-    "@deck.gl/mesh-layers": "9.1.0-alpha.0",
+    "@deck.gl/aggregation-layers": "9.1.0-beta.1",
+    "@deck.gl/geo-layers": "9.1.0-beta.1",
+    "@deck.gl/google-maps": "9.1.0-beta.1",
+    "@deck.gl/json": "9.1.0-beta.1",
+    "@deck.gl/layers": "9.1.0-beta.1",
+    "@deck.gl/mesh-layers": "9.1.0-beta.1",
     "@jupyter-widgets/base": "^1.1.10 || ^2 || ^3 || ^4",
     "@loaders.gl/3d-tiles": "^4.2.0",
     "@loaders.gl/core": "^4.2.0",
diff --git a/modules/layers/package.json b/modules/layers/package.json
index 947e3fde927..4edd79dc097 100644
--- a/modules/layers/package.json
+++ b/modules/layers/package.json
@@ -3,7 +3,7 @@
   "description": "deck.gl core layers",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/main/package.json b/modules/main/package.json
index 854df499fab..37d4df90f97 100644
--- a/modules/main/package.json
+++ b/modules/main/package.json
@@ -3,7 +3,7 @@
   "description": "A suite of 3D-enabled data visualization overlays, suitable for react-map-gl",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "keywords": [
     "webgl",
     "visualization",
@@ -39,19 +39,19 @@
     "prepublishOnly": "npm run build-bundle && npm run build-bundle -- --env=dev"
   },
   "dependencies": {
-    "@deck.gl/aggregation-layers": "9.1.0-alpha.0",
-    "@deck.gl/arcgis": "9.1.0-alpha.0",
-    "@deck.gl/carto": "9.1.0-alpha.0",
-    "@deck.gl/core": "9.1.0-alpha.0",
-    "@deck.gl/extensions": "9.1.0-alpha.0",
-    "@deck.gl/geo-layers": "9.1.0-alpha.0",
-    "@deck.gl/google-maps": "9.1.0-alpha.0",
-    "@deck.gl/json": "9.1.0-alpha.0",
-    "@deck.gl/layers": "9.1.0-alpha.0",
-    "@deck.gl/mapbox": "9.1.0-alpha.0",
-    "@deck.gl/mesh-layers": "9.1.0-alpha.0",
-    "@deck.gl/react": "9.1.0-alpha.0",
-    "@deck.gl/widgets": "9.1.0-alpha.0",
+    "@deck.gl/aggregation-layers": "9.1.0-beta.1",
+    "@deck.gl/arcgis": "9.1.0-beta.1",
+    "@deck.gl/carto": "9.1.0-beta.1",
+    "@deck.gl/core": "9.1.0-beta.1",
+    "@deck.gl/extensions": "9.1.0-beta.1",
+    "@deck.gl/geo-layers": "9.1.0-beta.1",
+    "@deck.gl/google-maps": "9.1.0-beta.1",
+    "@deck.gl/json": "9.1.0-beta.1",
+    "@deck.gl/layers": "9.1.0-beta.1",
+    "@deck.gl/mapbox": "9.1.0-beta.1",
+    "@deck.gl/mesh-layers": "9.1.0-beta.1",
+    "@deck.gl/react": "9.1.0-beta.1",
+    "@deck.gl/widgets": "9.1.0-beta.1",
     "@loaders.gl/core": "^4.2.0",
     "@luma.gl/core": "^9.1.0-beta.11",
     "@luma.gl/engine": "^9.1.0-beta.11"
diff --git a/modules/mapbox/package.json b/modules/mapbox/package.json
index 235f33ea4cc..fcba3301532 100644
--- a/modules/mapbox/package.json
+++ b/modules/mapbox/package.json
@@ -3,7 +3,7 @@
   "description": "Use deck.gl layers as custom mapbox-gl-js layers",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/mesh-layers/package.json b/modules/mesh-layers/package.json
index c8b83628372..043043d2bc4 100644
--- a/modules/mesh-layers/package.json
+++ b/modules/mesh-layers/package.json
@@ -3,7 +3,7 @@
   "description": "deck.gl layers that loads 3D meshes or scene graphs",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/react/package.json b/modules/react/package.json
index 8acfb363f85..b83229224ad 100644
--- a/modules/react/package.json
+++ b/modules/react/package.json
@@ -3,7 +3,7 @@
   "description": "React Components for deck.gl",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/test-utils/package.json b/modules/test-utils/package.json
index 54ed1c7c51e..c5386fd0894 100644
--- a/modules/test-utils/package.json
+++ b/modules/test-utils/package.json
@@ -3,7 +3,7 @@
   "description": "Test utilities for deck.gl layers",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },
diff --git a/modules/widgets/package.json b/modules/widgets/package.json
index 7e60e4d9bdf..88899c3dded 100644
--- a/modules/widgets/package.json
+++ b/modules/widgets/package.json
@@ -3,7 +3,7 @@
   "description": "UI widgets for deck.gl",
   "license": "MIT",
   "type": "module",
-  "version": "9.1.0-alpha.0",
+  "version": "9.1.0-beta.1",
   "publishConfig": {
     "access": "public"
   },