diff --git a/v3.md b/v3.md
index b64c734a..f6bccb29 100644
--- a/v3.md
+++ b/v3.md
@@ -42,3 +42,5 @@ Make easier / possible to mock Conn or ConnPool (https://github.com/jackc/pgx/pu
 Every field that should not be set by user should be replaced by accessor method (e.g. Conn.PID, Conn.SecretKey)
 
 Investigate strongly typed queries. i.e. Some sort of interface where varargs of Query, Exec, and Scan wouldn't happen. Need to be some low-level interface where (probably generated) functions could (more or less) directly read and write to the connection.
+
+Reject scanning non-string like things into a string (e.g. binary encoded timestamptz to string). See https://github.com/jackc/pgx/issues/223