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Developer Updates

Get all the latest updates on World in one place.

Latest blogs from our community

Sep 20, 2025 - Syndicated blog

Get last run of a scheduled job in Optimizely CMS

Learn how to get the last execution time of a scheduled job in Optimizely CMS.

Tomas Hensrud Gulla

Sep 20, 2025

Replacement Language Settings

Hi, Today I would like to share my learnings about the Replacement Language option in Optimizely CMS and Commerce. Replacement language is used to display content in a specific language, whether the requested language content exists on the site or not. This topic may be familiar for few and not for many. It may sound like its fallback language,...

Harinarayanan

Sep 19, 2025 - Syndicated blog

Locating Blocks Stored in “For This Page” When Retiring Block Models

When maintaining a long-lived Optimizely CMS site, you’ll eventually need to deprecate block types. The usual approach is to remove the block class from your codebase and then delete the corresponding content type from the CMS Admin interface. However, the CMS will not let you delete a content type if any content instances still use […]

Pär Wissmark

Sep 19, 2025

World Login is Moving to Opti ID

Starting Wednesday, September 24th, (at 2:00 PM EST) world.optimizely.com will require Opti ID for all logins. This change brings World in line with the rest of the Optimizely ecosystem and ensures a seamless, secure experience across products. Here’s what’s changing, why it matters, and how to prepare. Next Step: Check Your Inbox for Your Opti ...

Satata Satez

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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.

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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

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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).

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Optimizely - update 508

^{Posted on Apr 30, 2024}

Bug fixes for Optimizely Content Management System (CMS).

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Optimizely - update 507

^{Posted on Apr 23, 2024}

New release for Optimizely Forms.

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Optimizely - update 506

^{Posted on Apr 16, 2024}

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

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Optimizely - update 505

^{Posted on Apr 09, 2024}

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

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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
Autocomplete Substring Match	Developer to developer	0	9/20/2025 4:34:52 PM By: Sandeep Sahoo
Image/Media need translated versions like language variation	Developer to developer	1	9/20/2025 10:50:50 AM By: Pär Wissmark
Trouble Logging in to CMS12 with Token-Based Authentication	Developer to developer	1	9/19/2025 12:25:16 PM By: Mikael Mansour
TinyMCE, iframe and sandbox	Content Management System 12	2	9/19/2025 11:31:48 AM By: Kristoffer Lindén
Only displays blocks "For this page" in in "Choose content" popup	Content Management System 12	7	9/19/2025 10:08:39 AM By: Linus