Could not open file.BMP
Dmitry, I'm sorry, but I cannot reproduce what I am guessing you mean: I can save and open bmp files just fine. If your report is about a specific .bmp file, please attach it to the bug report.
http://www.mediafire.com/view/7x3z2l5z8z3872h/%D0%9F%D0%B5%D1%80%D0%B5%D0%B4%D0%BD%D1%8F%D1%8F_%D0%BF%D0%B0%D0%BD%D0%B5%D0%BB%D1%8C_%E2%80%94_%D0%B1%D0%B5%D0%B7_%D1%80%D0%B0%D0%B7%D0%BC%D0%B5%D1%80%D0%BE%D0%B2_%E2%80%94_%D1%83%D0%BA%D1%80.BMP THIS FILE
Git commit 8b2309a39fa581493e9398db6dbb3ff1c47666c1 by Boudewijn Rempt. Committed on 06/05/2018 at 13:55. Pushed by rempt into branch 'master'. Make it possible to load bmp images with the suffix in all CAPS M +1 -5 plugins/impex/qimageio/kis_qimageio_import.cpp https://commits.kde.org/krita/8b2309a39fa581493e9398db6dbb3ff1c47666c1