AI OnAI Off

Home / Community /

Developer Updates

Get all the latest updates on World in one place.

Latest blogs from our community

Dec 01, 2025

Introducing the OMVP Strategy Roundtable: Our First Episode Is Live

One of our biggest priorities this year was strengthening the strategic voice within the OMVP community. While the group has always been rich with engineering excellence, we saw an opportunity to elevate the practitioners who guide the organisational , operational, and human side of digital transformation. So we reached out to OMVPs intereste...

Satata Satez

Dec 01, 2025 - Syndicated blog

Optimizely CMS - Learning by Doing: EP08 - Integrating UI : Demo

Episode 8 is Live!! The latest installment of my Learning by Doing: Build Series on Optimizely CMS 12 is now available on YouTube! This video focuses on integrating UI elements into a custom CMS website using Bootstrap and custom CSS. The Process involves Creating a custom stylesheet (style.css) and placing it in a new wwwroot/css folder...

Ratish

Dec 01, 2025

Migrating Optimizely 11 to 12: SQL Membership & Legacy Hashes (Part 2)

In [Part 1] , we handled the migration of users who were already using ASP.NET Identity. Now, we tackle the more complex scenario: the MembershipUsersUpgrade project. This project is still using the legacy SQL Server Membership Provider ( aspnet_* tables). This adds two layers of complexity: Data Migration: We need to physically move user data...

Amit Mittal

Dec 01, 2025

Migrating Optimizely 11 to 12: Handling Legacy Password Hashes (Part 1)

Recently, I was tasked with a complex migration: moving existing users from two Optimizely 11 projects to the new Optimizely 12 (ASP.NET Core). The core requirement for both projects was seamlessness—existing users needed to be able to log in with their current passwords without being forced to reset them. This presented two distinct scenarios:...

Amit Mittal

See all blogs

Local Dev Meetups

We've been getting back together again since the beginning of this year and we're still meeting up.

We've got more locations coming up.
Check out our Local Dev Meetups page for more info.

Learn more

Opt-Up: Optimizely Training & Certification Program

Are you a developer currently certified in a CMS other than in Optimizely? We want you to be part of our ever-expanding developer community by supporting you with our Content Cloud training and certification program.

Learn more

You're Invited to Optimizely's Happy Hour Costume Contest

Join us on October 28th for the Happy Hour Halloween Costume Contest!

NA Happy Hour @ 3:30pm EST

EMEA Happy Hour Canceled

Learn more

.NET 5/6

Optimizely CMS Version 12 and Commerce Version 14 now released! Find out more about our latest version of CMS and Commerce - our move to .NET 5/6

Learn more

Release Notes

Release Notes

Optimizely - update 510

^{Posted on May 14, 2024}

Bug fixes for Optimizely Content Management System (CMS) and Optimizely Connect for Marketing Automation.

Read release notes

Optimizely - update 509

^{Posted on May 07, 2024}

New release for Optimizely Customized Commerce. Bug fixes for Optimizely Content Management System (CMS).

Read release notes

Optimizely - update 508

^{Posted on Apr 30, 2024}

Bug fixes for Optimizely Content Management System (CMS).

Read release notes

Optimizely - update 507

^{Posted on Apr 23, 2024}

New release for Optimizely Forms.

Read release notes

Optimizely - update 506

^{Posted on Apr 16, 2024}

New releases for Optimizely Commerce, Optimizely Content Delivery API, and Optimizely Graph.

Read release notes

Optimizely - update 505

^{Posted on Apr 09, 2024}

New release for Optimizely Language Manager and bug fixes for Optimizely Forms.

Read release notes

Want to find out more on what we've been doing for each release?

See release notes

Documentation

We've moved! Please visit https://docs.developers.optimizely.com/ for your latest documentation needs.

Optimizely Most Valuable Professionals

Optimizely Most Valuable Professionals (OMVP)

The OMVP program is our way of featuring and saying 'thank you' to our most active community members.

They lead the way in our community by providing copious amounts of help, inspiration and knowledge in a manner that is open, courteous, and professional.

Learn more

Latest Forum Posts

Thread	Room	Replies	Last Update
Duplicate key issue when creating a new settings tab	Content Management System 12	2	12/1/2025 2:52:40 PM By: Dileep D
DXP Deployment issue	Developer to developer	3	11/28/2025 9:11:31 PM By: Pär Wissmark
How to safely force full order recalculation before saving a PurchaseOrder?	Customized Commerce 14	0	11/28/2025 10:49:10 AM By: Sunil
Application crashes with SqlNullValueException when loading the CMS UI due to NULL values in the synchronized users table.	Problems and bugs	4	11/28/2025 3:04:27 AM By: Cuong Nguyen Dinh
Asynchronous Payment Flow Best Practices	Customized Commerce 14	3	11/27/2025 3:56:39 PM By: Sunil