diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe6a399..b940559 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [5.5.0-beta.1] 2024-10-30
+### Added
+- Support servers running DLC content (fixes Frostline servers)
+- Text autocompletion in maps search field
+- Add disk space warning to popup dialog
+### Fixed
+- Abort fallback query method if DLC is required
+
 ## [5.4.2-beta.1] 2024-10-05
 ### Fixed
 - Sanitize third-party API IDs to remove UGC collisions
diff --git a/dzgui.sh b/dzgui.sh
index 638435f..3fee9a7 100755
--- a/dzgui.sh
+++ b/dzgui.sh
@@ -525,14 +525,14 @@ fetch_a2s(){
     logger INFO "Updated A2S helper to sha '$sha'"
 }
 fetch_dzq(){
-    local sum="232f42b98a3b50a0dd6e73fee55521b2"
+    local sum="9caed1445c45832f4af87736ba3f9637"
     local file="$helpers_path/a2s/dayzquery.py"
     if [[ -f $file ]] && [[ $(get_hash "$file") == $sum ]]; then
         logger INFO "DZQ is current"
         return 0
     fi
-    local sha=ccc4f71b48610a1885706c9d92638dbd8ca012a5
-    local author="yepoleb"
+    local sha=788e85b82189cb3485d4a08ee350c67994b29ea3
+    local author="aclist"
     local repo="dayzquery"
     local url="https://raw.githubusercontent.com/$author/$repo/$sha/dayzquery.py"
     curl -Ls "$url" > "$file"
@@ -566,10 +566,10 @@ fetch_helpers_by_sum(){
     [[ -f "$config_file" ]] && source "$config_file"
     declare -A sums
     sums=(
-        ["ui.py"]="9cac4d3b87ef292e7d30b25ca86cc438"
+        ["ui.py"]="91ea4d842d35a7d5e1441174f1f463c5"
         ["query_v2.py"]="55d339ba02512ac69de288eb3be41067"
         ["vdf2json.py"]="2f49f6f5d3af919bebaab2e9c220f397"
-        ["funcs"]="71d3a941209792a41f381f011e78def8"
+        ["funcs"]="105e7be170eea48ce61fcfe7b50b8f59"
         ["lan"]="c62e84ddd1457b71a85ad21da662b9af"
     )
     local author="aclist"
diff --git a/helpers/funcs b/helpers/funcs
index 8bf10c5..6aa8790 100755
--- a/helpers/funcs
+++ b/helpers/funcs
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -o pipefail
-version=5.4.2
+version=5.5.0
 
 #CONSTANTS
 aid=221100
@@ -280,6 +280,14 @@ initialize_remote_servers(){
     res=$(get_remote_servers)
     parse_server_json "$res" >> "$file"
 }
+is_dlc(){
+    local dlc
+    local ip="$1"
+    local gport="$2"
+    local res="$(curl -Ls "https://api.steampowered.com/IGameServersService/GetServerList/v1/?filter=\gameaddr\\${ip}:${gport}\appid\221100&key=$steam_api")"
+    dlc=$(<<< "$res" jq '.response.servers[].gametype|contains("isDLC")')
+    printf "%s\n" "$dlc"
+}
 a2s(){
     local ip="$1"
     local qport="$2"
@@ -1081,25 +1089,39 @@ try_fallback(){
     local qport="$2"
     local mode="$3"
     if [[ $mode != "rules" ]] && [[ $mode != "names" ]]; then
+        logger WARN "Fallback query API called with an invalid mode: '$mode'"
         return 1
     fi
     [[ -z $api_key ]] && return 1
+    logger INFO "Using fallback query API on '$ip:$qport' with mode: '$mode'"
     local res=$(curl -s "$bm_api" -H "Authorization: Bearer "$api_key"" \
         -G -d "filter[game]=$game" \
         -d "filter[search]=%22${ip}:${qport}%22")
     [[ -z $res ]] && return 1
     local len=$(<<< "$res" jq '.data|length')
     [[ $len -eq 0 ]] && return 1
+
+    # cull defunct entries
     local record=$(<<< "$res" jq -r '
         .data[].attributes
-        |select(.status != "removed").details')
+        |select(.status != "removed")')
+
+    # reverse lookup gport
+    local dlc
+    local gport=$(<<< "$record" jq -r '.port')
+    dlc=$(is_dlc "$ip" "$gport")
+    if [[ $dlc == "true" ]]; then
+        logger FAIL "Fallback query API called on DLC-enabled server"
+        return 1
+    fi
+
     case "$mode" in
         "rules")
-            <<< "$record" jq '.modIds[]'
+            <<< "$record" jq '.details.modIds[]'
             ;;
         "names")
             <<< "$record" jq '
-            [.modNames, .modIds] as [$n, $i]
+            .details|[.modNames, .modIds] as [$n, $i]
             | {names: $n, ids: $i}'
         ;;
     esac
@@ -1403,7 +1425,7 @@ manual_mod_install(){
 
             if [[ $mode == "auto" ]] || [[ $mode == "force" ]]; then
                 $steam_cmd "steam://url/CommunityFilePage/${stage_mods[$i]}+workshop_download_item $aid ${stage_mods[$i]}"
-                echo "# Opening workshop page for ${stage_mods[$i]}"
+                echo "# Opening workshop page for ${stage_mods[$i]}. If you see no progress, you may be out of disk space."
             else
                 $steam_cmd "steam://url/CommunityFilePage/${stage_mods[$i]}"
                 echo "# Opening workshop page for ${stage_mods[$i]}. If you see no progress after subscribing, try unsubscribing and resubscribing again until the download commences."
diff --git a/helpers/ui.py b/helpers/ui.py
index 5e77f68..7e7e4f6 100644
--- a/helpers/ui.py
+++ b/helpers/ui.py
@@ -19,7 +19,7 @@ gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk, GLib, Gdk, GObject, Pango
 from enum import Enum
 
-# 5.4.1
+# 5.5.0
 app_name = "DZGUI"
 
 start_time = 0
@@ -895,8 +895,7 @@ class TreeView(Gtk.TreeView):
                 case Gdk.KEY_m:
                     if self.get_first_col() == "Mod":
                         return
-                    grid.right_panel.filters_vbox.maps_combo.grab_focus()
-                    grid.right_panel.filters_vbox.maps_combo.popup()
+                    grid.right_panel.filters_vbox.maps_entry.grab_focus()
                 case _:
                     return False
         elif keyname.isnumeric() and int(keyname) > 0:
@@ -1566,7 +1565,7 @@ def KeysDialog(parent, text, mode):
     Enter/Space/Double click: connect to server
     Right-click on row/Ctrl-l: displays additional context menus
     Ctrl-f: jump to keyword field
-    Ctrl-m: jump to maps dropdown
+    Ctrl-m: jump to maps field
     Ctrl-d: toggle dry run (debug) mode
     Ctrl-r: refresh player count for active row
     1-9: toggle filter ON/OFF
@@ -1639,7 +1638,7 @@ class ModDialog(GenericDialog):
         def _load():
             dialog.destroy()
             if data.returncode == 1:
-                spawn_dialog(parent, "Server has no mods installed", "NOTIFY")
+                spawn_dialog(parent, "Server has no mods installed or is unsupported in this mode", "NOTIFY")
                 return
             self.show_all()
             self.set_markup("Modlist (%s mods)" %(mod_count))
@@ -1858,15 +1857,29 @@ class FilterPanel(Gtk.Box):
         self.keyword_entry.set_placeholder_text("Filter by keyword")
         self.keyword_entry.connect("activate", self._on_keyword_enter)
         self.keyword_entry.connect("key-press-event", self._on_esc_pressed)
+    
+        completion = Gtk.EntryCompletion(inline_completion=True)
+        completion.set_text_column(0)
+        completion.set_minimum_key_length(1)
+        completion.connect("match_selected", self._on_completer_match)
 
         renderer_text = Gtk.CellRendererText(ellipsize=Pango.EllipsizeMode.END)
-        self.maps_combo = Gtk.ComboBox.new_with_model(map_store)
+        self.maps_combo = Gtk.ComboBox.new_with_entry()
+        self.maps_combo.set_entry_text_column(0)
+        self.maps_combo.set_model(map_store)
+    
+        # instantiate maps completer entry
+        self.maps_entry = self.maps_combo.get_child()
+        self.maps_entry.set_completion(completion)
+        self.maps_entry.set_placeholder_text("Filter by map")
+        self.maps_entry.connect("changed", self._on_map_completion, True)
+        self.maps_entry.connect("key-press-event", self._on_map_entry_keypress)
+
         self.maps_combo.pack_start(renderer_text, True)
         self.maps_combo.add_attribute(renderer_text, "text", 0)
         self.maps_combo.connect("changed", self._on_map_changed)
         self.maps_combo.connect("key-press-event", self._on_esc_pressed)
 
-
         self.pack_start(self.filters_label, False, False, True)
         self.pack_start(self.keyword_entry, False, False, True)
         self.pack_start(self.maps_combo, False, False, True)
@@ -1874,6 +1887,37 @@ class FilterPanel(Gtk.Box):
         for i, check in enumerate(checks[0:]):
             self.pack_start(checks[i], False, False, True)
 
+    def _on_map_entry_keypress(self, entry, event):
+        match event.keyval:
+            case Gdk.KEY_Return:
+                text = entry.get_text()
+                if text is None:
+                    return
+                # if entry is exact match for value in liststore,
+                # trigger map change function
+                for i in enumerate(map_store):
+                    if text == i[1][0]:
+                        self.maps_combo.set_active(i[0])
+                        self._on_map_changed(self.maps_combo)
+            case Gdk.KEY_Escape:
+                GLib.idle_add(self.restore_focus_to_treeview)
+                # TODO: this is a workaround for widget.grab_remove()
+                # set cursor position to SOL when unfocusing
+                text = self.maps_entry.get_text()
+                self.maps_entry.set_position(len(text))
+            case _:
+                return
+
+    def _on_completer_match(self, completion, model, iter):
+        self.maps_combo.set_active_iter(iter)
+
+    def _on_map_completion(self, entry, editable):
+        text = entry.get_text()
+        completion = entry.get_completion()
+
+        if len(text) >= completion.get_minimum_key_length():
+            completion.set_model(map_store)
+            self._on_map_changed(self.maps_combo)
 
     def grab_keyword_focus(self):
         self.keyword_entry.grab_focus()
@@ -1884,9 +1928,11 @@ class FilterPanel(Gtk.Box):
         return False
 
     def _on_esc_pressed(self, entry, event):
-        keyname = Gdk.keyval_name(event.keyval)
-        if keyname == "Escape":
-            GLib.idle_add(self.restore_focus_to_treeview)
+        match event.keyval:
+            case Gdk.KEY_Escape:
+                GLib.idle_add(self.restore_focus_to_treeview)
+            case _:
+                return True
 
     def get_outer_grid(self):
         panel = self.get_parent()
@@ -1952,13 +1998,19 @@ class FilterPanel(Gtk.Box):
 
         tree_iter = combo.get_active_iter()
         if tree_iter is not None:
-            selected_map.clear()
+            # take no action if completer query is same as current map sel
+            old_sel = selected_map[0].split("Map=")[1]
             model = combo.get_model()
             selection = model[tree_iter][0]
-            selected_map.append("Map=" + selection)
-            logger.info("User selected map '%s'" %(selection))
-            filter_servers(transient_parent, self, treeview, context)
+            if selection == old_sel:
+                return
 
+            selected_map.clear()
+            if selection is not None:
+                selected_map.append("Map=" + selection)
+                logger.info("User selected map '%s'" %(selection))
+                filter_servers(transient_parent, self, treeview, context)
+                self.maps_entry.set_text(selection)
 
 def main():