Interesting! I didn’t mention, but if I delete the project file I get a slightly different behavior on 7.0.8-43-ge6e29b6c4c. With the project file deleted I’m able to move the vias, but only a few pixels. With the project file in place, the vias won’t budge at all. On 7.99 I get the same behavior regardless if the project file is there or not.
On todays 7.99 on Windows, the via shoves smoothly
On 7.0.8 release on Ubuntu 23.04, the shove is very reluctant and tiny shifts only
Okay… I don’t get it to work! 
Application: KiCad PCB Editor x64 on x64
Version: 7.99.0-3095-gbf29b25190, release build
Libraries:
wxWidgets 3.2.2
FreeType 2.12.1
HarfBuzz 8.0.0
FontConfig 2.14.2
libcurl/8.2.1-DEV Schannel zlib/1.2.13
Platform: Windows 11 (build 22621), 64-bit edition, 64 bit, Little endian, wxMSW
Build Info:
Date: Oct 6 2023 07:18:14
wxWidgets: 3.2.2 (wchar_t,wx containers)
Boost: 1.82.0
OCC: 7.7.1
Curl: 8.2.1-DEV
ngspice: 41
Compiler: Visual C++ 1936 without C++ ABI
Build settings:
I think this should be raised as a bug on 7.0.8 on the tracker
But how come it doesn’t work for me on 7.99? See my last post. We’re both on Windows so I don’t see why it works for you but not for me.
Because i have a somewhat outdated 7.99 version. I can’t compile newer versions.
Can you try different versions between 7.0.1 and 7.0.8?
I just noticed that my test pcb on Ubuntu 7.0.8 had a 1mm grid. Changed this to 0.1mm and I get smooth shove back. Grid could be involved here
Sorry, my last comment was ment for @davidsrsb. I’m experiencing this problem on both latest and nightly builds.
Sure, I can start hunting for in which particular version this started happening. But unfortionately I don’t think that I will find the time to do this until Monday.
Good idea, but nope. I just tested on todays nightly and it doesn’t matter if I have all or none checked in the Selection Filter. Regardless the traces moves but not the vias.
For me it doesn’t matter which grid I’m using. The vias don’t budge at all on latest nightly.
Was just a thought. I’ve caught myself out more than once with that easy to forget bottom corner 
Good thought!
It was only yesterday I learned that the Selection Filter impacts at which point the footprint is grabbed when moving a footprint. Sort of nice feature, but not that intuitive to me. Forum post
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On Windows 7.0.8, the shove is very hard with 1mm grid, smooth with 0.1mm
It’s something in the constraints-section of the provided example.
copper to hole clearance: reduce from 0.25 → 0.2mm → shoving vias is working
Nice find!! I’ll add this information to the bug. I’m not sure if it is a bug, or if it should be this way. If this is as correct behavior, it would be nice with some sort of warning.
For me with Copper to hole clearance,
0,25 mm: absolutely no movement on the vias
0,2 mm: the vias shoves very reluctantly and moves only a few pixels
0,18 mm: its a bit easier to get the vias to shove, and they move a bit further
0,15 mm: it’s easy to shove the vias, and I can shove them far. everything works as I believe it should.
Save behavior in both 7.0.8-43-ge6e29b6c4c and 7.99.0-3095-gbf29b25190.
Offtopic, but why can’t you?
Because it depends on a lot of new library versions i don’t have.
The copper to hole is involved.
I am playing with a trivial test board with a single via in the area and no tracks beyond it to complicate things, so it should not be a factor.
The bottom right via is hard to shove unless you reduce grid or the copper to hole clearance
Test.zip (10.6 KB)
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Hi, I posted something similar some time ago: when I try to drag [w] a via with tracks attached it will resist to move and when I try harder it will suddenly jump several grids. I can move [m] the via without problems and afterwards refit the tracks and all clearences are ok !?
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