diff -r 1d48b38ca349 -r 9365c7fb0240 src/main/kotlin/de/uapcore/lightpit/servlet/FeedServlet.kt
--- a/src/main/kotlin/de/uapcore/lightpit/servlet/FeedServlet.kt	Sun Oct 10 15:12:12 2021 +0200
+++ b/src/main/kotlin/de/uapcore/lightpit/servlet/FeedServlet.kt	Sat Nov 27 10:44:17 2021 +0100
@@ -125,10 +125,14 @@
             http.response.sendError(404)
             return
         }
+        val assignees = http.param("assignee")?.split(',')
 
         val days = http.param("days")?.toIntOrNull() ?: 30
 
-        val issueHistory = dao.listIssueHistory(project.id, days)
+        val issuesFromDb = dao.listIssueHistory(project.id, days)
+        val issueHistory = if (assignees == null) issuesFromDb else
+            issuesFromDb.filter { assignees.contains(it.data.assigneeUsername) }
+
         // TODO: add comment history depending on parameter
 
         http.view = IssueFeed(project, generateFeedEntries(issueHistory))