diff -r 7d67245e5121 -r 6a21bb926e02 src/main/kotlin/de/uapcore/lightpit/viewmodel/Issues.kt
--- a/src/main/kotlin/de/uapcore/lightpit/viewmodel/Issues.kt	Fri Dec 30 19:14:04 2022 +0100
+++ b/src/main/kotlin/de/uapcore/lightpit/viewmodel/Issues.kt	Tue Jan 03 17:04:39 2023 +0100
@@ -37,7 +37,7 @@
 
 class IssueSorter(private vararg val criteria: Criteria) : Comparator<Issue> {
     enum class Field {
-        PHASE, ETA, UPDATED
+        STATUS, CATEGORY, ETA, UPDATED, CREATED
     }
 
     data class Criteria(val field: Field, val asc: Boolean = true)
@@ -48,16 +48,11 @@
         }
         for (c in criteria) {
             val result = when (c.field) {
-                Field.PHASE -> left.status.phase.compareTo(right.status.phase)
-                Field.ETA -> {
-                    val l = left.eta
-                    val r = right.eta
-                    if (l == null && r == null) 0
-                    else if (l == null) 1
-                    else if (r == null) -1
-                    else l.compareTo(r)
-                }
+                Field.STATUS -> left.status.compareTo(right.status)
+                Field.CATEGORY -> left.category.compareTo(right.category)
+                Field.ETA -> left.compareEtaTo(right.eta)
                 Field.UPDATED -> left.updated.compareTo(right.updated)
+                Field.CREATED -> left.created.compareTo(right.created)
             }
             if (result != 0) {
                 return if (c.asc) result else -result