Instagram now allows users to add music to their Carousel posts that include videos. Previously, users could only add music to Carousels composed of photos. When music is added, the sound from the video(s) is muted.

Instagram has begun encouraging users to share their posts with friends. After publishing a post, some users have received a notification saying, "Want to send it directly to friends?" along with a Send button.

Instagram has added a new way to reorder photos and videos in Carousel posts.

TikTok has rolled out support for image search for some users in the United States and Southeast Asia. Those with access can take or upload a photo to find similar products in TikTok Shop.

Instagram has expanded its 'Open to Collaborating' feature to more creators. With this, creators can toggle on an 'Open to Collaborating' option in the Professional Dashboard to discover other creators interested in working together.

Threads now displays full-sized image posts from Instagram directly within posts. When an Instagram post is shared to Threads, the images are displayed in their entirety rather than as small thumbnails with a URL link.

YouTube has started rolling out the Test & Compare feature to creators with access to Advanced Features. This tool allows creators to upload up to three video thumbnails for testing with their viewers, selecting the most effective thumbnail based on which generates the highest watch time share.

YouTube is currently testing Creator QR Codes.

LinkedIn is expanding Newsletter access, allowing all users to publish one.

Pinterest has launched Pinterest Ad Labs, an innovation program enabling brands to test prototypes of new creative and ad tools.

TikTok's Collaboration feature has been spotted again.. The feature, similar to Instagram Collabs, allows multiple accounts to co-author a post. This post is then shared on all of their profiles and with their followers. It was initially spotted back in May in a post between Will Smith and his Westbrook Racing team.

Instagram is testing a 'Prompt' option for Feed posts and Reels.