X Messaging System Under Scrutiny Following User Reports of Disrupted Conversations

A user on X (formerly Twitter) has reported a significant issue with the platform's direct messaging (DM) system, claiming that replies to older direct messages are appearing in a "new chat" interface, rather than within the original conversation thread. This alleged change or bug is causing users to miss messages and inadvertently ignore conversations. The user, identified as "terminally onλine εngineer," tagged X's Head of Product, Nikita Bier, in the post, questioning if the behavior is intended or a defect.

"looks like if u message in old dms people can reply from the new chat and u dont get these dms/chats in the old chat? anyway ive been ignoring a bunch of chats and dms due to this, idk if intended or a bug this is so weird cc @nikitabier" the user posted, highlighting the disruption.

Nikita Bier, who assumed the role of Head of Product at X in July 2025, has been a central figure in the platform's ongoing product evolution under Elon Musk's ownership. His appointment signaled a focus on enhancing user engagement and introducing new features. Prior to joining X, Bier was known for co-founding viral social apps like tbh and Gas, both of which were acquired by larger tech companies.

X has undergone several significant changes to its direct messaging capabilities in recent years, including the introduction of encrypted DMs and the expansion of group chat features. While the platform has aimed to enhance privacy and functionality, these rapid developments have occasionally led to user confusion or technical glitches. The reported issue suggests a potential disconnect between legacy DM threads and newer chat functionalities, impacting the continuity of user communications.

The reported problem could significantly affect user experience, particularly for those managing numerous conversations or relying on X for professional communication. Unintended message segregation could lead to missed opportunities, miscommunications, or a general decline in user satisfaction. The attention of a high-ranking product executive like Nikita Bier indicates the severity of the user's concern and the potential need for a swift resolution or clarification from the company.