id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,port 56873,Inconsistent behavior between ncurses 6.1.20180127 and ncurses 5.7,LiamFry,jmroot,"While working on an ncurses app, I discovered inconsistent behavior between ncurses 5.7 (bundled with macOS) and ncurses 6.1 (installed via MacPorts). I do not know what is causing the issue but I have isolated the relevant code. I have reproduced the issue on several machines running Mavericks, El Capitan, and High Sierra. The code to exercise this problem is very short and straightforward. I've attached a copy to the ticket. The intent of the code is to ""blink the screen"" similar to flash() without using flash(). When compiled against the macOS-bundled ncurses library (5.7), behavior in Terminal, iTerm, and tmux is as expected. When compiled against MacPorts ncurses library (6.1), behavior in Terminal and tmux is as expected. However, when run in iTerm, only a column of characters appears on the left side of the screen. I initially thought this was an iTerm issue as it only happens when using iTerm. However, it only happens when using ncurses 6.1 from MacPorts.",defect,closed,Normal,,ports,2.5.3,invalid,,,ncurses