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Latest blogs from our community

Mar 20, 2026 - Syndicated blog

Integrating Searchspring with Optimizely – Part 1: Architecture & Setup

Wiselin Jaya Jos

Mar 20, 2026

CMS 13 Preview 4 — Upgrading from Preview 3

This is the third post in a series where I use the Alloy template as a reference to walk through each CMS 13 preview. The first post covered upgrading from CMS 12 to Preview 2, and the second looked at the key changes in Preview 3. If you're following along, pick up where we left off. Preview 4 is out. The package bump is easy enough, but there'...

Robert Svallin

Mar 20, 2026 - Syndicated blog

The move to CMS 13: Upgrade Notes for Technical Teams

A technical walkthrough of CMS 13 preview3 and headless work: what is changing, where the risks are, and how an upgrade and what to expect

Hristo Bakalov

Mar 20, 2026 - Syndicated blog

Customizing Product Data Sent to Optimizely Product Recommendations in Optimizely Commerce

A practical guide to customizing IEntryAttributeService in Optimizely Commerce so you can override product titles, add custom feed attributes, and keep safe fallbacks to the default behavior.

Wojciech Seweryn

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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.

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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.

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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
SMTP - Outlook Basic Auth deprecation - alternatives?	CMS 7.5 - 11	5	3/19/2026 5:10:53 PM By: Jonas Boman
IP Whitlisting calls between nextjs and backend	Developer to developer	0	3/19/2026 4:55:00 PM By: Fahmawi
Change meta title in CMS depending of environment CMS12 and CMS11	Developer to developer	5	3/17/2026 10:01:41 AM By: Jonas Boman
Optimizely Graph (CMS 12): Support for IList<T> / PropertyList<T> with POCOs?	Content Management System 12	11	3/15/2026 6:25:39 PM By: Piotr
[.NET 9] PlatformNotSupportedException: BinaryFormatter serialization and deserialization have been removed	Content Management System 12	11	3/12/2026 4:26:56 PM By: Karol Berezicki