Hi Arnobio,
Just updating. I do not think I will be able to do it today now. Will be releasing tomorrow.

Regards
Brajesh

Hi Carsten,
You can override templates but not the core files of a plugin.

For BuddyPress, things inside the bp-templates are part of template and can be overridden(with the template pack acting as root).

For your case, the dropdown is in messages-loop.php

	<div class="messages-options-nav">
			<?php bp_messages_bulk_management_dropdown(); ?>
		</div><!-- .messages-options-nav -->

Regards
Brajesh

Hi,
My apologies for the delayed reply. I had to install OcenWp to see if the include custom js for BuddyPress or not.

Please copy the plugins/buddypress/bp-templates/bp-legacy/buddypress/js/buddypress.js to your theme/buddyoress/js/buddypress.js and look for the code which looks like this

		/* Load more updates at the end of the page */
		if ( target.parent().hasClass('load-more') ) {
			if ( bp_ajax_request ) {
				bp_ajax_request.abort();
			}

			jq('#buddypress li.load-more').addClass('loading');

			oldest_page = activity_oldestpage + 1;
			just_posted = [];

			jq('.activity-list li.just-posted').each( function(){
				just_posted.push( jq(this).attr('id').replace( 'activity-','' ) );
			});

			load_more_args = {
				action: 'activity_get_older_updates',
				'cookie': bp_get_cookies(),
				'page': oldest_page,
				'exclude_just_posted': just_posted.join(',')
			};

			load_more_search = bp_get_querystring('s');

			if ( load_more_search ) {
				load_more_args.search_terms = load_more_search;
			}

			bp_ajax_request = jq.post( ajaxurl, load_more_args,
			function(response)
			{
				jq('#buddypress li.load-more').removeClass('loading');
				activity_oldestpage = oldest_page;
				jq('#buddypress ul.activity-list').append(response.contents);

				target.parent().hide();
			}, 'json' );

			return false;
		}

It is around line 431, we need to add 1 line

MathJax.typeset();

as shown below.

		/* Load more updates at the end of the page */
		if ( target.parent().hasClass('load-more') ) {
			if ( bp_ajax_request ) {
				bp_ajax_request.abort();
			}

			jq('#buddypress li.load-more').addClass('loading');

			oldest_page = activity_oldestpage + 1;
			just_posted = [];

			jq('.activity-list li.just-posted').each( function(){
				just_posted.push( jq(this).attr('id').replace( 'activity-','' ) );
			});

			load_more_args = {
				action: 'activity_get_older_updates',
				'cookie': bp_get_cookies(),
				'page': oldest_page,
				'exclude_just_posted': just_posted.join(',')
			};

			load_more_search = bp_get_querystring('s');

			if ( load_more_search ) {
				load_more_args.search_terms = load_more_search;
			}

			bp_ajax_request = jq.post( ajaxurl, load_more_args,
			function(response)
			{
				jq('#buddypress li.load-more').removeClass('loading');
				activity_oldestpage = oldest_page;
				jq('#buddypress ul.activity-list').append(response.contents);

				target.parent().hide();
                               // New line added. 
                               MathJax.typeset();
			}, 'json' );

			return false;
		}

You will need to rename the file to buddypress.min.js (or you can minify and name the new file as this) and BuddyPress will load it.

All we are doing is folllowing the re-initialization for MatchJAX as specified here
https://docs.mathjax.org/en/latest/web/typeset.html#resetting-automatic-equation-numbering

That should take care of it.

Regards
Brajesh

Hi Rob,
Thank you for bringing it. Yes, I see the issue with thi. I will add it in the next version of the plugin.

Regards
Brajesh

Thank you.