Update TODO_PATCH.md

docs/TODO_PATCH.md

@@ -8,6 +8,10 @@ The bugfixes of the still not released version are in `beta` branche.
 ## Contributing
 Please create an issue to introduce a bug instead of adding pull request to this file.
 
-## v.4.2  (released at: 17.08.2017)
+
+## Nest release
+- [ ] lv_btnm: check hide code (\177) at 0. byte position too (if width is not specified)
+
+## v4.2  (released at: 17.08.2017)
 - [x] lv_slider: don't let indicator or bar to disappear because of hpad/vpad
 - [x] lv_ta: memory leak if deleted in password mode