1) although upgrading to 0.16.4957 on Windows my Templates are not recognized (in the pull-down-menu) by FreeCAD.
Yes i am sorry i mislead you. I just tested this commit yesterday:
https://github.com/FreeCAD/FreeCAD_sf_m ... 7eb17461e5
And honestly i don't know what it does. I assumed it will look for templates in UserAppDataDir/Templates and show them in drop down menu but at least for me it does not do anything or i am doing something wrong. I asked for feedback here:
2) the names of the standard-templates seem to be "hard coded", which means adding templates in the FreeCaD\Mod\Drawing\Templates
directory won't work either
Yes they are hardcoded with a bit of customization allowed. Until recently there were basically NO customizations allowed. You could only rewrite 2 default ones and everything else had to be done manually (Template Property).
X = Paper size A,B,C,D,E
Y = Paper size number
custom = any text
For example this will work:
And this will not:
That is why i said if Querformat should be used instead of Landschaft for German localization somebody should probably change that in official German translations.
b) have "edited" versions of the Templates in my user-directory (better for backup and updating FreeCAD) and insert a
"standard" template and then replace it via the data-tab with the edited version.
You are probably talking about Template Property. ATM i would advise you not to change templates this way as there is bug involved:
But as new DW is being pursued i am not sure if current one is in "feature/bug fix freeze" state already or not. I could easily believe there is lack of motivation to work on current DW but i could be wrong.