Blogs | ArcGIS Maps SDK for JavaScript

Sites

The blog articles referenced in this page are also available via the ArcGIS Blog: JavaScript , mostly focused on the ArcGIS Maps SDK for JavaScript ArcGIS Maps SDK for JavaScript, previously known as ArcGIS API for JavaScript, is a developer product for building mapping and spatial analysis applications for the web. Learn more . There are also many additional developer related topics in Rene Rubalcava's blog ( https://odoe.net/blog). All additional topics related to Esri technology can be found in the ArcGIS Blog.

Latest blogs

Scripted, Visual, and AI-Driven Analysis of Item Dependencies: Combining the Newest Tools in ArcGIS Knowledge and the ArcGIS API for Python

Use new tools in the ArcGIS API for Python and ArcGIS Knowledge to visualize & analyze your organization's item …

July 8, 2026

ArcGIS Maps SDK for JavaScript: What’s New in 5.1

Discover the release highlights in version 5.1 of ArcGIS Maps SDK for …

June 25, 2026

Concepts

Blogs are categorized by their concept topic. Navigate to any concept by clicking on the concept title in the sidebar or link below.

Apps and solutions

Arcade

Contingent attributes

Developers

Developer tooling

FlowRenderer

Heatmap

Labeling

Layers and graphics

MapImageLayer

Measurement

Popups

Routing

SubtypeGroupLayer

Symbols

Tasks/rest

Time

Utility Network

Widgets

Visualization

Release blog

Conferences

3D

Date	Title	Release
February 25, 2026	3D Object Layer: Upload Georeferenced 3D Models	5.0
February 24, 2026	Visualizing Flood Simulations: from ArcGIS Pro to the Web with Flow Rendering	5.0
July 11, 2025	From GIS to CAD: 3D Site Download	4.33
February 24, 2025	3D Object Layer in ArcGIS Maps SDK for JavaScript	4.32
October 17, 2024	3D Object Layer: A Comprehensive Overview	4.30
August 7, 2024	How to combine mobile 3D scans with ArcGIS	4.30
July 23, 2024	Bring your 3D web applications to life with mesh animations	4.30
March 8, 2024	SaGIS: See more of your 3D Web Content	4.29
November 10, 2022	Voxel layers - exploring world atmospheric temperature and pressure with ArcGIS Maps SDK for JavaScript	4.25
October 20, 2022	Cartographic styles for visualizing 3D bars in web scenes	4.24
October 5, 2022	Experimenting with 3D labels in ArcGIS Maps SDK for JavaScript	4.24
August 1, 2022	Exploring Earth's artificial satellites	4.24
July 8, 2021	Feature selection styles in web scenes: the defaults and beyond	4.20
April 29, 2021	Map your outdoor activities in 3D with the elevation profile widget	4.19
February 18, 2021	Explore Mars with GIS	4.18
August 20, 2020	3D camera intro using the ArcGIS Maps SDK for JavaScript	4.16
April 22, 2020	A low poly ski resort map : part II: add thematic data	4.15
April 22, 2020	A low poly ski resort map : part I: generating the terrain	4.15
April 10, 2020	Thoughts on creating 3D maps in low poly style	4.15
January 26, 2020	An in depth 3D globe of earthquakes	4.14
December 23, 2019	Showcase your BIM data in the Building Viewer	4.14
December 13, 2019	A classical visualization of earthquakes using ArcGIS Maps SDK for JavaScript	4.14
November 26, 2019	Clicking in a 3D web scene can do that?	4.13
August 26, 2019	An interactive 3D globe of extremes : a DIY mapping guide	4.12
April 25, 2019	Create your next neighborhood in 3D	4.11
March 1, 2019	Visualize large feature datasets in 3D with ArcGIS Maps SDK for JavaScript	4.11
October 15, 2018	Turbulence Ahead – Using ArcGIS Maps SDK for JavaScript to Design and Evaluate a 3D Web-Based Aviation Weather Visualizer	4.9
September 27, 2018	Improved map and scene navigation with gamepad support	4.9
July 20, 2018	Get creative with globe visualizations	4.8
July 12, 2018	City visualizations on the edge with ArcGIS Maps SDK for JavaScript	4.8
June 5, 2018	Scene Layer Performance in Scene Viewer, Part 2	4.7
May 26, 2018	Fun facts about creating an interactive 3D hiking map	4.7
May 21, 2018	How to Publish Web Styles with 3D Symbols	4.7
April 24, 2018	Build 3D web apps with your 2D data	4.7
February 13, 2018	Scene Layer Performance in Scene Viewer, Part 1	4.6
September 5, 2017	Mapping art in 3D	4.5
August 15, 2017	Exploring 3D object data in a custom web app	4.4
July 14, 2017	Manhattan Skyscraper Explorer – when Open Data and ArcGIS Maps SDK for JavaScript meet	4.4
April 12, 2017	C-Through – A Prototype for Interactive 3D Urban Planning Analysis on the Web	4.3
February 1, 2016	3D visualization: Using attributes to represent real-world sizes of features	4.0
January 25, 2016	3D visualization: working with objects, paths, and extrusion	4.0
January 19, 2016	3D visualization: working with icons, lines, and fill symbols	4.0

Apps and solutions

Date	Title	Release
December 20, 2024	Web maps—the foundation of ArcGIS web applications	4.31
December 19, 2024	Good, better, best—Simplify your web app development with Map Viewer	4.31
April 29, 2024	Build Accessibility into your Web Maps with ArcGIS Maps SDK for JavaScript	4.29
January 20, 2021	Electoral swing in the 2020 U.S. presidential election	4.18
August 13, 2020	Animate and explore COVID-19 data through time	4.16
May 5, 2020	Capacity Analysis: a custom web mapping solution for understanding the impact of social distancing	4.15
March 3, 2017	Styler: A new configurable app template for creating 2D and 3D map apps	4.3

Arcade

Date	Title	Release
June 16, 2023	Introducing new Arcade functions and an enhanced playground	4.27
June 6, 2023	Five under-appreciated Arcade functions	4.26
April 25, 2023	Visualize data from related records using Arcade	4.26
December 5, 2022	How to summarize aggregate data using Arcade in popups	4.25
November 10, 2022	Introducing new Arcade documentation	4.25
September 7, 2022	How to create a custom Arcade profile	4.24
August 22, 2022	Execute Arcade expressions on your terms	4.24
August 16, 2022	I'm a developer. Do I really need Arcade?	4.24
April 21, 2022	Create a diversity map with Arcade	4.23
January 10, 2022	Summarize and explore point clusters with Arcade in popups	4.22
August 19, 2020	Generate data for interactive charts using Arcade in popups	4.16
June 10, 2020	Your Arcade Questions Answered	4.15
December 8, 2018	GeoDev Webinar Series: Using Arcade with Your Apps	4.10
January 15, 2019	Create powerful popups in web apps with Arcade feature sets	4.10
October 15, 2018	Functions aren't fields; use Arcade instead	4.9
October 10, 2018	Smart Mapping with Arcade: Visualizing predominance	4.9
October 8, 2018	Smart Mapping with Arcade: Exploring relationships	4.9
October 3, 2018	Smart Mapping with Arcade: Exploring age	4.9
October 1, 2018	Generating Arcade expressions: what Smart Mapping does for you	4.9
June 5, 2018	Generate Arcade expressions for data exploration web apps	4.7
March 15, 2018	Share your Arcade expressions as templates	4.6
October 18, 2017	Unwinding the Clock: Visualizing Time with Arcade	4.5
May 23, 2017	Creating a predominance visualization with Arcade	4.3
January 10, 2017	Using Arcade expressions in web apps	4.2

Contingent attributes

Date	Title	Release
April 18, 2022	Contingent Attribute Values in the ArcGIS Maps SDK for JavaScript	4.23

Developers

Date	Title	Release
June 26, 2026	Support for transparency and emissive materials on limited WebGL devices	5.1
June 1, 2026	Why AI Orchestration Belongs in the Browser	5.1
October 10, 2025	Develop internationalized applications	4.34
October 9, 2024	Implementation of feature highlights in the ArcGIS Maps SDK for JavaScript	4.30
July 9, 2024	Supporting Reduced Motion: Enhancing Accessibility in Web Apps	4.30
November 13, 2023	Build GIS Web Apps with JavaScript Maps SDK components	4.28
April 10, 2023	Build accessible web apps with ArcGIS Maps SDK for JavaScript and Calcite Design System	4.26
February 22, 2023	Why you should be using reactiveUtils instead of watchUtils	4.26
February 21, 2023	Using the ArcGIS Maps SDK for JavaScript in Virtualized Environments	4.25
December 16, 2022	2022 Year in Review: ArcGIS Maps SDK for JavaScript	4.25
November 16, 2022	Introducing the ArcGIS Maps SDKs	4.25
September 22, 2021	Performance improvements in version 4.21 of the ArcGIS Maps SDK for JavaScript	4.21
May 18, 2021	Building dynamic web applications with the ArcGIS Maps SDK for JavaScript	4.19
August 16, 2020	So Long Internet Explorer 11, and Thanks for All the Views	4.16
July 10, 2020	JavaScript Debugging Tips Part IV : Error Handling	4.16
June 30, 2020	Use Parts of the New Map Viewer to Build Your Own Web Apps	4.15
April 24, 2020	Customize to Meet Your Unique Needs : ArcGIS Open Platform Series: Part 3	4.15
July 8, 2019	Useful code snippets for ArcGIS Maps SDK for JavaScript	4.12
March 29, 2019	A Better Experience with the new ArcGIS Maps SDK for JavaScript Website	4.11
January 17, 2019	New Mapping Experience Available for Developers	4.10
August 30, 2018	Migrating Web Apps from Google to ArcGIS: Adding a Shape	4.8
August 23, 2018	Migrating Web Apps from Google to ArcGIS: Searching and Geocoding	4.8
August 17, 2018	Migrating Web Apps from Google to ArcGIS: Directions and Routing	4.8
August 9, 2018	Migrating from Google Maps JavaScript API to ArcGIS Maps SDK for JavaScript	4.8
December 14, 2017	Making Better Promises	4.6
December 28, 2017	Tips and Tricks for Navigating the ArcGIS Maps SDK for JavaScript Website	4.6
February 26, 2018	Maps App JavaScript	4.6
December 21, 2017	ArcGIS Maps SDK for JavaScript : Improved Website Accessibility	4.6
October 4, 2017	Speed up your JavaScript development with autocasting	4.5
January 11, 2017	The Esri community and JavaScript Team at Esri	4.2
February 6, 2017	Enliven your web apps with custom actions	4.2
September 29, 2011	Cross Origin Resource Sharing (CORS) with the ArcGIS Maps SDK for JavaScript	4.0
April 14, 2016	Increased web API security in Google Chrome	4.0
January 23, 2014	10 open source projects every JavaScript geo dev should know about	4.0
September 10, 2009	ArcGIS RIA Developers: Tips on using cross-domain policy files – Part 1 (Intro)	4.0

Developer tooling

Date	Title	Release
July 5, 2022	Using Svelte with the ArcGIS Maps SDK for JavaScript	4.24
June 21, 2022	ArcGIS Maps SDK for JavaScript – Learn about ES modules	4.23
April 14, 2022	Building ArcGIS Maps SDK for JavaScript Apps with NextJS	4.23
April 26, 2021	JavaScript Just Works	4.19
April 22, 2021	ArcGIS Maps SDK for JavaScript : Working with frameworks and build tools just got easier : Part 2	4.19
January 15, 2021	Server Side Rendering Frameworks with @arcgis/core	4.18
November 3, 2020	ArcGIS Maps SDK for JavaScript : Working with frameworks and build tools just got easier	4.17
March 26, 2020	Writing Modern JavaScript with the ArcGIS Maps SDK for JavaScript	4.14
February 25, 2019	5 Tips for Developers who work with Designers	4.10
December 4, 2018	Using React with the ArcGIS Maps SDK for JavaScript	4.10
October 16, 2018	Using TypeScript with the ArcGIS Maps SDK for JavaScript	4.9
June 21, 2018	Introducing a cli for the ArcGIS Maps SDK for JavaScript	4.7
April 27, 2018	Using the new webpack plugin for the ArcGIS Maps SDK for JavaScript	4.7
December 14, 2017	Improved TypeScript development with ArcGIS Maps SDK for JavaScript	4.6
September 8, 2017	React Redux: Building Modern Web Apps with the ArcGIS JS API	4.5

FlowRenderer

Date	Title	Release
March 29, 2022	Preparing your data for use with the FlowRenderer	4.23
March 23, 2022	Create an animated flow visualization with the ArcGIS Maps SDK for JavaScript	4.23

Heatmap

Date	Title	Release
June 27, 2022	How to create heat maps that work at all scales	4.24
June 23, 2022	Heat maps now render faster and smoother in the browser	4.24

Labeling

Date	Title	Release
October 5, 2022	Experimenting with 3D labels in ArcGIS Maps SDK for JavaScript	4.24
July 9, 2020	Labeling support added to point clustering	4.16
January 2, 2019	Choose Your Own Labeling Adventure	4.10
July 5, 2018	Introduction to labeling in 2D	4.8

Layers and graphics

Date	Title	Release
February 13, 2020	Using GeoJSON layers and more in the ArcGIS Maps SDK for JavaScript	4.14
September 29, 2017	FeatureLayer rendering: taking advantage of WebGL in 2D	4.5
October 27, 2017	Creating a custom tile layer with TypeScript	4.5
June 29, 2011	High performance web apps with big datasets as feature layers	4.0
February 8, 2010	Find graphics under a mouse click with the ArcGIS Maps SDK for JavaScript	4.0
November 11, 2009	Looping through graphics using the ArcGIS Maps SDK for JavaScript	4.0

MapImageLayer

Date	Title	Release
September 6, 2018	Now Showing in 3D: MapImageLayer	4.9
May 8, 2018	What’s the Deal with MapImageLayer?	4.7

Measurement

Date	Title	Release
October 10, 2019	Measure Once with the new Measurement Widget	4.13
December 13, 2018	Measure Twice with the new 2D Measurement Widgets	4.10

Popups

Date	Title	Release
June 20, 2023	A fresh new look for pop-ups	4.27
December 6, 2022	Browsing Related Records with the ArcGIS Maps SDK for JavaScript	4.25
October 22, 2020	Pop-ups for Web Developers	4.17
September 1, 2020	Generate popup templates for data exploration	4.16
April 10, 2020	Using HTML with Popups in the ArcGIS Maps SDK for JavaScript	4.15
October 26, 2018	Use Business Analyst Infographics in Your Custom Applications	4.9

Routing

Date	Title	Release
June 28, 2022	Changing Directions	4.24
March 24, 2022	Introducing the new RouteLayer	4.23

SubtypeGroupLayer

Date	Title	Release
July 9, 2021	How to use the SubtypeGroupLayer with the ArcGIS Maps SDK for JavaScript	4.20

Symbols

Date	Title	Release
August 7, 2023	Visualizing Air Quality with Animated Symbols	4.27
November 17, 2022	Upload symbols from SVG in the updated CIM Symbol Builder	4.25
September 22, 2021	CIM Symbol Builder	4.21
July 24, 2020	Create points, lines, and polygons using CIMSymbols	4.16
March 28, 2017	Take advantage of the JavaScript symbol playground	4.3
October 26, 2009	Working with TextSymbol in the ArcGIS JavaScript API	4.0
June 22, 2016	Play in the JavaScript symbol playground	4.0
February 3, 2012	Esri picture marker symbol generator for JavaScript developers	4.0

Tasks/rest

Date	Title	Release
April 7, 2022	Rest is up to the task	4.23

Time

Date	Title	Release
October 27, 2023	Time Traveler’s Guide: Timestamp-offsets Exposed	4.28

Utility Network

Date	Title	Release
December 13, 2021	Trace a Utility Network with the ArcGIS API for JavaScript	4.22
September 30, 2021	What's new in Utility Network JavaScript API 4.21	4.21
July 1, 2021	Utility Network is now on ArcGIS JavaScript API 4.20	4.20

Widgets

Date	Title	Release
August 4, 2020	Applying custom ticks and labels for the TimeSlider widget	4.16
October 18, 2019	A New Widget That'll Have You Swiping Right	4.13
August 27, 2019	Make your histogram legendary	4.12
August 7, 2019	Interactive widgets for data exploration	4.12
June 21, 2019	Build a Tailored Web Editing Experience with the ArcGIS Maps SDK for JavaScript	4.12
January 11, 2019	Sketch your city with ArcGIS Maps SDK for JavaScript	4.10
May 15, 2018	Add power and context to your web apps with LayerList panels	4.7

Visualization

Date	Title	Release
November 4, 2024	Visualize voting trends in 20 years’ worth of U.S. election data	4.31
April 10, 2024	Watercolor your city (on the web, no paint involved)	4.29
January 3, 2023	Five ways to visualize point density using the same dataset	4.25
December 13, 2022	Density mapping with binning and Wurman dots	4.25
November 29, 2022	8 ways to style point clusters on the web	4.25
July 6, 2022	Binning now available in the ArcGIS Maps SDK for JavaScript	4.24
March 31, 2022	Jumpstart your visualization: build on top of an existing custom 2D layer	4.23
March 3, 2022	How to add an inner glow to polygons with the ArcGIS Maps SDK for JavaScript	4.22
December 9, 2021	Techniques for visualizing high density data on the web	4.22
October 11, 2021	How and why to configure feature display order in web apps	4.21
August 31, 2021	Visualize and animate flow in MapView with a custom WebGL layer	4.20
August 31, 2021	Animating your data with the ArcGIS Maps SDK for JavaScript	4.20
May 12, 2021	Six ways to visualize change over time in web maps	4.19
May 3, 2021	Inset maps for the web	4.19
April 22, 2021	Data visualization in the ArcGIS Maps SDK for JavaScript	4.19
February 3, 2021	Visualize diverging datasets with size in web maps	4.18
January 5, 2021	Summarize and explore point clusters in web apps	4.18
October 5, 2020	Visualize electoral swing using composite symbols	4.17
September 8, 2020	How to create a sparkline map with the ArcGIS Maps SDK for JavaScript	4.16
April 27, 2020	Mapping large datasets on the web	4.15
January 29, 2020	How and why to adjust symbol size by scale in web maps	4.14
January 14, 2020	Better colors for better mapping	4.14
January 7, 2020	Point clustering now available in ArcGIS JavaScript 4.x API	4.14
April 25, 2019	Visualizing change with dot density	4.11
April 16, 2019	Visualizing growth with dot density	4.11
April 9, 2019	Interactive dot density maps for the web	4.11
April 1, 2019	Dot density for the web	4.11
December 20, 2018	Hillshade Blending Sorcery via JavaScript API	4.10
January 14, 2019	Render millions of features in your maps	4.10
September 4, 2018	Build web apps for exploring data in dynamic workspaces	4.9
August 6, 2018	Turbo charge your web apps with client-side queries	4.8
October 11, 2017	Thematic point clustering for data exploration	4.5
April 13, 2017	Visualizing data in web apps: leveraging the platform	4.3
May 25, 2016	Smart Mapping with dynamic workspaces	4.0
March 28, 2016	Using Smart Mapping in custom web apps	4.0
January 11, 2016	Multivariate Rendering – 2D visualization techniques in JavaScript	4.0

Release blog

Date	Title	Release
June 25, 2026	ArcGIS Maps SDK for JavaScript: What's New in 5.1	5.1
February 24, 2026	ArcGIS Maps SDK for JavaScript: What's New in 5.0	5.0
October 21, 2025	Version 4.34 of JavaScript Maps SDK released!	4.34
June 24, 2025	What's new in ArcGIS Maps for JavaScript (4.33)	4.33
February 24, 2025	What's new in ArcGIS Maps for JavaScript (4.32)	4.32
November 22, 2024	Join us for a livestream: What's New in the ArcGIS Maps SDK for JavaScript, v4.31	4.31
November 7, 2024	What's New in ArcGIS Maps SDK for JavaScript (4.31)	4.31
July 2, 2024	Join us for a livestream: What's new in the ArcGIS Maps SDK for JavaScript, v4.30	4.30
June 27, 2024	What's New in ArcGIS Maps SDK for JavaScript (4.30)	4.30
February 26, 2024	What’s New in ArcGIS Maps SDK for JavaScript (4.29)	4.29
October 23, 2023	Join us for the JavaScript Maps SDK v4.28 Livestream!	4.28
October 23, 2023	What’s New in ArcGIS Maps SDK for JavaScript (4.28)	4.28
June 28, 2023	Live discussion: What's new in ArcGIS Maps SDK for JavaScript (version 4.27)	4.27
June 12, 2023	What's new in ArcGIS Maps SDK for JavaScript (4.27)	4.27
April 3, 2023	Join us for a live discussion: What's new in the ArcGIS Maps SDK for JavaScript, v4.26	4.26
February 27, 2023	ArcGIS API for JavaScript, Version 3.x Retirement	4.26
February 22, 2023	What's new in ArcGIS Maps SDK for JavaScript (4.26)	4.26
November 17, 2022	Live discussion: What's new in ArcGIS Maps SDK for JavaScript (version 4.25)	4.25
November 9, 2022	What's new in ArcGIS Maps SDK for JavaScript (v4.25)	4.25
June 23, 2022	What's new in ArcGIS Maps SDK for JavaScript (version 4.24)	4.24
June 22, 2022	Live discussion: What's new in ArcGIS Maps SDK for JavaScript (version 4.24)	4.23
April 7, 2022	Join us for a live discussion: What's New in the ArcGIS Maps SDK for JavaScript, version 4.23	4.23
March 23, 2022	What's new in ArcGIS Maps SDK for JavaScript (4.23)	4.23

Conferences

Date	Title	Release
June 23, 2025	Developer Summit at UC 2025	4.33
March 6, 2025	All things Web Development at the Esri Developer and Technology Summit 2025!	4.32
August 20, 2024	Enhancing the Consumption Experience of Esri DevSummit Videos	4.30
March 4, 2024	Web Developer's Guide to the 2024 Esri Developer Summit	4.29
February 24, 2023	Web Developer's Guide to the 2023 Esri Developer Summit	4.26
July 11, 2021	Calling All Developers at User Conference 2021!	4.20
April 4, 2021	Web Developer's Guide to the 2021 Esri Developer Summit	4.18
July 2, 2020	Web Developers Guide to the 2020 Esri Users Conference	4.16
June 23, 2020	The Developer Experience at the 2020 Virtual User Conference	4.15
April 24, 2020	DevSummit 2020 – ArcGIS Maps SDK for JavaScript Recordings Available!	4.15

Authors

View all blog posts from an individual author by selecting their name.

Andy Gup

Anne Fitz

Arno Fiva

Dario D'Amico

Jose Banuelos

Julie Powell

Kitty Hurley

Kristian Ekenes

Lauren Boyd

Manoja Gadde

Matteo Rizzi

Nikola Marincic

Noah Sager

Omar Kawach

Raluca Nicola

Rene Rubalcava

Richie Carmichael

Stefan Eilemann

Undral Batsukh

Yann Cabon

Yixuan 'Emily' Hu