[image] The 6th participant was annoymous which disappeared when a member post. I am wondering if I can increase this number and if this is expected behavior.

I think you get up to 5 users. For example: author of the first post, 3 frequent posters, author of the last post author of the first and last post, 4 frequent posters author of the first post, author of the solution, 2 frequent posters, author of the last post or similar combinations. If the author of the first post is also the author of the last post there is the frame around their avatar

Is this on a PM in the header or this? If it’s the 1st, I believe the logic is here: frontend/discourse/app/components/header/topic/info.gjs main get maxExtraItems() { return this.args.topicInfo.tags?.length > 0 ? 5 : 10; } frontend/discourse/app/components/header/topic/info.gjs main get participants() { const participants = [ ...this.args.topicInfo.details.allowed_users, ...this.args.topicInfo.details.allowed_groups, ]; return participants.slice(0, this.maxExtraItems); }

this is just in the topic list , I gave up on customizing the header participants. These replies are part of Discourse with no modification. [image]

This list is about the topic’s featured users. I’m not sure if you can modify it. Perhaps you could, programmatically.

[image] NateDhaliwal: This list is about the topic’s featured users. I’m not sure if you can modify it. Perhaps you could, programmatically. I am just wondering how many get displayed by default

/* Reduce spacing between avatars */ td.posters.topic-list-data a { margin-right: 2px !important; /* Reduce gap between avatars */ display: inline-block; } /* Remove any padding inside the cell */ td.posters.topic-list-data { white-space: nowrap !important; padding-left: 4px !important; padding-right: 4px !important; } /* Ensure avatars don't have extra spacing */ td.posters.topic-list-data .avatar { margin: 0 !important; } td.posters.topic-list-data, th.topic-list-data.posters { min-width: 175px !important; width: 175px !important; } This fixed the wrapping issue, where the avatars were stacking on top of each other.

you can modify it by css to target a single poster, latest or op, etc.. for example, you can do: to hide OP: @if $this_setting == "false" { td.posters a:first-child .avatar { display: none; } } for latest poster if they are the OP and not the only poster: … .posters { a:first-child .avatar.latest:not(.single) { …} }

For what it’s worth, since you don’t seem to have a deep knowledge of CSS or programming (I apologize if you do!), I’d recommend keeping the customizations few and simple. Only do what you feel is necessary. Each additional customization is a potential point of failure in the future. I’ve gone down this path before, and regretted some modifications I made to my instances.

the only thing I am doing to the mobile view is removing things that are overlapping or taking up too much space like Group titles or flair.

[image] hipp0: this is just in the topic list , I gave up on customizing the header participants. These replies are part of Discourse with no modification. It would be nice to switch this to max 8 participants since for some reason it wants to wrap double lined like this. I tried fixing this wrap but it affects my other areas that have thumbnail/blog view. [image]

Whats the max number of participants that will get displayed on a topic?

Product Support

Lilly (Lillian ) January 26, 2026, 10:24pm 13

https://meta.discourse.org/tags/c/documentation/developer-guides/56/theme-guides

Topic		Replies	Views
Show all users in a PM Product Support	4	644	January 14, 2022
Different theme for personal message topics list? Development personal-messages	20	921	January 15, 2024
Default view only showing 2 poster avatars, unlike Discourse Meta Product Support	3	1034	June 8, 2018
How to hide tags after N and show “+X more” like categories Product Support tags	4	218	September 22, 2025
The most liked topic of any discourse UX	9	4648	October 14, 2017

Whats the max number of participants that will get displayed on a topic?

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