Instagram accidentally released an update that removed scrolling and replaced it with a horizontal feed. And people are furious.

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It may soon be time to say goodbye to Instagram as we know it. 

On Thursday, the company started rolling out a major redesign to its interface that eliminated vertical scrolling. Users who had gotten the update quickly took to Twitter to express their displeasure about the change.

It turns out that Instagram didn't intend to roll out the update as widely as it did. Head of Instagram Adam Mosseri tweeted out an apology, stating that "this was supposed to be a very small test but we went broader than we anticipated."

TechCrunch was the first to report about the redesign back in October. At the time, the feature was being tested internally and only on the app's Explore page. 

But on Thursday, Instagram expanded the update to the main feed as well, whether intentionally or not. Users who received the update reported that when they opened Instagram, they were only be able to swipe left or right through photos rather than scrolling up and down, which has been the norm on Instagram since the app's inception. 

Much like past Instagram updates, the change sparked everything from mild displeasure to outright rage on Twitter: 

Instagram has not publicly announced the change, and Instagram users at Business Insider with both iPhone and Android devices have not received the update.