Comment 9 for bug 1643179

Answer to my previous comment:

I can see now this is fixed, but not released. I just tested the last nightly build (1.0alpha (5f7a1b4, 2019-05-04)) and the guides remain locked when opening the same SVG file. Sorry for reopening an already fixed issue.
I download the nightly build from here: https://ci.appveyor.com/project/inkscape/inkscape/builds/24307242/job/5ihjji235qsm9awi/artifacts

I hope this comment answers the next person having this issue and reaching here.

Windows 10 64-bit
Inkscape 1.0alpha (5f7a1b4, 2019-05-04)