CEP to UXP: What Developers Need to Know

Announcements
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CEP is going away, and UXP will be available across Creative Cloud flagship apps.

If you maintain CEP plugins for Photoshop, Premiere, InDesign, or other Creative Cloud apps, it is time to start planning your move to UXP.

We just laid out the full timeline. Every flagship app gets a guaranteed two year runway from its own UXP beta. Photoshop, InDesign, Premiere, and now Media Encoder, which is also in beta, already support UXP for plugins. After Effects and Illustrator will follow.

CEP itself stops shipping in any of these apps after December 2029, and existing plugins already in the Marketplace will keep working until then.

The post breaks down exactly which dates apply to each app, what “CEP disabled by default” actually means for your users along the way, and the tooling, docs, and support we are standing up to help with the migration.

If you have anything running on CEP, it is worth five minutes.

Please join us on September 29 and 30 for Adobe Developers Live, where you can find the answers you are looking for.

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CEP - Is there and end of road planned in Photoshop yet?
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My Premiere UXP panel needs to start and stop timeline (Program Monitor) playback.

Right now a companion CEP extension does it through ExtendScript QE (app.enableQE(); qe.project.getActiveSequence().player.play()).

In the UXP API (types 26.5) I can only find Sequence.setPlayerPosition() / getPlayerPosition() and SourceMonitor.play(). I can’t find anything that plays or stops the sequence.

Is QE the only way in here? Do you know if Adobe has this in the UXP roadmap?