This is the workflow.
1.- Open FreeCAD v0.18 and switch to DraftWorkbench.
2.- Create an Annotation.
3.- Save the File.
4.- Open FreCAD v0.17 and open de File we've just saved.
5.- The Annotation get's corrupted. The "Display Mode" property get's blank and don't show anymore.
- I test the reversed workflow from 0.17 and modify it in 0.18 and reopen in 0.17 and the annotations get's no problem.
Here are the versions and screen shots.
OS: Windows 8.1
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.18.16093 (Git)
Build type: Release
Branch: releases/FreeCAD-0-18
Hash: 690774c0effe4fd7b8d2b5e2fb2b8c8d145e21ce
Python version: 3.6.6
Qt version: 5.6.2
Coin version: 4.0.0a
OCC version: 7.3.0
Locale: Spanish/Mexico (es_MX)
OS: Windows 8.1
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.13541 (Git)
Build type: Release
Branch: releases/FreeCAD-0-17
Hash: 9948ee4f1570df9216862a79705afb367b2c6ffb
Python version: 2.7.14
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.2.0
Locale: Spanish/Mexico (es_MX)
First Open V0.17 error messages.
Open in Version 0.17
Modifying in version 0.17