diff --git a/katrain/config.json b/katrain/config.json
index 4afee61..a8e5203 100644
--- a/katrain/config.json
+++ b/katrain/config.json
@@ -17,7 +17,7 @@
         "anim_pv_time": 0.5,
         "debug_level": 0,
         "lang": "en",
-        "version": "1.4.1"
+        "version": "1.5.0"
     },
     "timer": {
         "byo_length": 30,
diff --git a/katrain/core/constants.py b/katrain/core/constants.py
index f0d880e..2fc1fb6 100644
--- a/katrain/core/constants.py
+++ b/katrain/core/constants.py
@@ -1,4 +1,4 @@
-VERSION = "1.4.1"
+VERSION = "1.5.0"
 HOMEPAGE = "https://github.com/sanderland/katrain"
 CONFIG_MIN_VERSION = "1.4.0"  # keep config files from this version
 
diff --git a/katrain/gui/badukpan.py b/katrain/gui/badukpan.py
index a6ed5cd..5a33829 100644
--- a/katrain/gui/badukpan.py
+++ b/katrain/gui/badukpan.py
@@ -480,7 +480,6 @@ class BadukPanWidget(Widget):
             # children of current moves in undo / review
             if katrain.analysis_controls.show_children.active:
                 for child_node in current_node.children:
-                    points_lost = child_node.points_lost
                     move = child_node.move
                     if move and move.coords is not None:
                         if child_node.analysis_ready:
diff --git a/katrain/i18n/locales/de/LC_MESSAGES/katrain.po b/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
index fe88754..953620d 100644
--- a/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
@@ -671,6 +671,13 @@ msgstr ""
 msgid "show point loss as text"
 msgstr "Zeig den Punkteverlust auf Beste Züge"
 
+#. TODO - updated
+msgid "teaching undo message"
+msgstr ""
+"Zug {move} zurückgenommen, da er {points_lost:.1f} Punkte verliert. Bewege "
+"Mauszeiger über den Zug,um die erwartete Widerlegung zu sehen. Bitte "
+"versuche es erneut."
+
 #. TODO - resign the game
 msgid "resign"
 msgstr "Resign"
@@ -679,13 +686,6 @@ msgstr "Resign"
 msgid "analysis:alternatives"
 msgstr "Find alternative moves"
 
-#. TODO - updated
-msgid "teaching undo message"
-msgstr ""
-"Zug {move} zurückgenommen, da er {points_lost:.1f} Punkte verliert. Bewege "
-"Mauszeiger über den Zug,um die erwartete Widerlegung zu sehen. Bitte "
-"versuche es erneut."
-
 #. TODO - status message
 msgid "alternative analysis"
 msgstr "Searching for alternative moves"
diff --git a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
index 5061478..705244c 100644
--- a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
@@ -671,7 +671,7 @@ msgstr "投了"
 msgid "analysis:alternatives"
 msgstr "他の候補手を分析"
 
-#. TODO - updated
+#. message shown when move is undone
 msgid "teaching undo message"
 msgstr ""
 "待った。{move}は{points_lost:.1f}目損です。打ち直してください。ヒント：マウスカーソルをこの手にかざせばとがめる手順が表示されます。あるいは、地合推定をオンに（tキー）すれば盤上どのあたりで損をしたかが見られます。"
diff --git a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo
index ebb66c4..c14eca3 100644
Binary files a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
index 147b422..eaf984b 100644
--- a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
@@ -646,14 +646,11 @@ msgstr ""
 msgid "show point loss as text"
 msgstr "돌 위에 집 손해 표시하기"
 
-#. TODO - resign the game
 msgid "resign"
-msgstr "기권함"
+msgstr "기권"
 
-#. TODO - Analyze again but exclude all currently considered moves
 msgid "analysis:alternatives"
-msgstr "Find alternative moves"
+msgstr "다른 수 찾기"
 
-#. TODO - status message
 msgid "alternative analysis"
-msgstr "Searching for alternative moves"
+msgstr "다른 수를 찾는 중입니다"