v4.1.0

Signed-off-by: Andrew Stein <steinlink@gmail.com>

Author: texodus

CHANGELOG.md

@@ -1,6 +1,29 @@
+# [v4.1.0](https://github.com/perspective-dev/perspective/releases/tag/v4.1.0)
+
+_27 January 2026_ ([Full changelog](https://github.com/finos/perspective/compare/v4.0.1...v4.1.0))
+
+**Breaking**
+
+- Add `table` to `ViewerConfig` [#3107](https://github.com/finos/perspective/pull/3107)
+
+Features
+
+- DuckDB Virtual Server [#3062](https://github.com/finos/perspective/pull/3062)
+
+Fixes
+
+- Fix Arrow decimal type conversion to float instead of integer [#3099](https://github.com/finos/perspective/pull/3099)
+- Fix viewport scroll regression in datagrid [#3098](https://github.com/finos/perspective/pull/3098)
+
+Misc
+
+- `<PerspectiveWorkspace>` React component [#3109](https://github.com/finos/perspective/pull/3109)
+- Fix windows Python builds [#3110](https://github.com/finos/perspective/pull/3110)
+- Convert `viewer-datagrid` to TypeScript [#3108](https://github.com/finos/perspective/pull/3108)
+
 # [v4.0.1](https://github.com/perspective-dev/perspective/releases/tag/v4.0.1)
 
-_16 December 2025_ ([Full changelog](https://github.com/finos/perspective/compare/v4.0.0...v4.0.1))
+_15 December 2025_ ([Full changelog](https://github.com/finos/perspective/compare/v4.0.0...v4.0.1))
 
 Features
 

Cargo.lock

@@ -13,7 +13,6 @@
 [book]
 authors = ["Andrew Stein"]
 language = "en"
-multilingual = false
 src = "md"
 title = "Perspective"
 
@@ -26,9 +25,7 @@ build-dir = "static/guide"
 # preferred-dark-theme = "navy"
 # smart-punctuation = true
 # mathjax-support = false
-copy-fonts = true
 git-repository-url = "https://github.com/perspective-dev/perspective"
-git-repository-icon = "fa-github"
 site-url = "https://perspective-dev.github.io/guide/"
 additional-css = [
     "md/perspective.css",

docs/book.toml

@@ -1,6 +1,6 @@
 {
     "name": "@perspective-dev/docs",
-    "version": "4.0.1",
+    "version": "4.1.0",
     "private": true,
     "scripts": {
         "build": "node build.js && docusaurus build",

docs/package.json

@@ -1,7 +1,7 @@
 {
     "name": "blocks",
     "private": true,
-    "version": "4.0.1",
+    "version": "4.1.0",
     "description": "A collection of simple client-side Perspective examples for `http://bl.ocks.org`.",
     "scripts": {
         "start": "mkdir -p dist && node --experimental-modules server.mjs",

examples/blocks/package.json

@@ -33,7 +33,7 @@
     },
     "viewers": {
         "PERSPECTIVE_GENERATED_ID_0": {
-            "version": "4.0.1",
+            "version": "4.1.0",
             "plugin": "Datagrid",
             "plugin_config": {
                 "columns": {},
@@ -64,7 +64,7 @@
             "settings": false
         },
         "PERSPECTIVE_GENERATED_ID_1": {
-            "version": "4.0.1",
+            "version": "4.1.0",
             "plugin": "Y Area",
             "plugin_config": {},
             "columns_config": {},
@@ -82,7 +82,7 @@
             "aggregates": {}
         },
         "PERSPECTIVE_GENERATED_ID_2": {
-            "version": "4.0.1",
+            "version": "4.1.0",
             "plugin": "Y Line",
             "plugin_config": {},
             "columns_config": {},

examples/blocks/src/dataset/layout.json

@@ -1,7 +1,5 @@
-index.html: 48 {
-    "sizes": [
-        1
-    ],
+{
+    "sizes": [1],
     "detail": {
         "main": {
             "type": "split-area",
@@ -17,29 +15,23 @@ index.html: 48 {
                 },
                 {
                     "type": "tab-area",
-                    "widgets": [
-                        "PERSPECTIVE_GENERATED_ID_3"
-                    ],
+                    "widgets": ["PERSPECTIVE_GENERATED_ID_3"],
                     "currentIndex": 0
                 },
                 {
                     "type": "tab-area",
-                    "widgets": [
-                        "PERSPECTIVE_GENERATED_ID_2"
-                    ],
+                    "widgets": ["PERSPECTIVE_GENERATED_ID_2"],
                     "currentIndex": 0
                 }
             ],
             "sizes": [
-                0.3765432098765432,
-                0.24691358024691357,
-                0.3765432098765432
+                0.3765432098765432, 0.24691358024691357, 0.3765432098765432
             ]
         }
     },
     "viewers": {
         "PERSPECTIVE_GENERATED_ID_0": {
-            "version": "3.5.0",
+            "version": "4.1.0",
             "plugin": "Datagrid",
             "plugin_config": {
                 "columns": {},
@@ -48,18 +40,9 @@ index.html: 48 {
             },
             "columns_config": {},
             "title": "Sales Report 2",
-            "group_by": [
-                "Region",
-                "State"
-            ],
-            "split_by": [
-                "Category",
-                "Sub-Category"
-            ],
-            "columns": [
-                "Sales",
-                "Profit"
-            ],
+            "group_by": ["Region", "State"],
+            "split_by": ["Category", "Sub-Category"],
+            "columns": ["Sales", "Profit"],
             "filter": [],
             "sort": [],
             "expressions": {},
@@ -68,7 +51,7 @@ index.html: 48 {
             "settings": false
         },
         "PERSPECTIVE_GENERATED_ID_1": {
-            "version": "3.5.0",
+            "version": "4.1.0",
             "plugin": "Datagrid",
             "plugin_config": {
                 "columns": {},
@@ -110,7 +93,7 @@ index.html: 48 {
             "settings": false
         },
         "PERSPECTIVE_GENERATED_ID_3": {
-            "version": "3.5.0",
+            "version": "4.1.0",
             "plugin": "Datagrid",
             "plugin_config": {
                 "columns": {},
@@ -119,18 +102,9 @@ index.html: 48 {
             },
             "columns_config": {},
             "title": "Sales Report 2 (*)",
-            "group_by": [
-                "Region",
-                "State"
-            ],
-            "split_by": [
-                "Category",
-                "Sub-Category"
-            ],
-            "columns": [
-                "Sales",
-                "Profit"
-            ],
+            "group_by": ["Region", "State"],
+            "split_by": ["Category", "Sub-Category"],
+            "columns": ["Sales", "Profit"],
             "filter": [],
             "sort": [],
             "expressions": {},
@@ -139,31 +113,20 @@ index.html: 48 {
             "settings": false
         },
         "PERSPECTIVE_GENERATED_ID_2": {
-            "version": "3.5.0",
+            "version": "4.1.0",
             "plugin": "Treemap",
             "plugin_config": {},
             "columns_config": {},
             "title": "Sales Report (by State)",
-            "group_by": [
-                "State"
-            ],
+            "group_by": ["State"],
             "split_by": [],
-            "columns": [
-                "Sales",
-                "Profit",
-                null
-            ],
+            "columns": ["Sales", "Profit", null],
             "filter": [],
-            "sort": [
-                [
-                    "Profit",
-                    "desc"
-                ]
-            ],
+            "sort": [["Profit", "desc"]],
             "expressions": {},
             "aggregates": {},
             "table": "superstore",
             "settings": false
         }
     }
-}
+}

examples/blocks/src/duckdb/preview.png

@@ -1,7 +1,7 @@
 {
     "name": "esbuild-duckdb-virtual",
     "private": true,
-    "version": "3.8.0",
+    "version": "4.1.0",
     "type": "module",
     "description": "Example of a custom VirtualServer running in a Web Worker",
     "scripts": {