Windows Installer MSI via Github Actions #4668

eff3ry · 2025-08-12T02:45:30Z

Progress towards #3118 as an installer of sorts is needed for a WinGet package

This pull request adds support for building a Windows MSI installer for SuperSlicer using the WiX Toolset. The changes automate the creation of an MSI package in the CI workflow and introduce a new WiX installer definition.

MSI Installer Build Integration:

Updated .github/workflows/ccpp_win.yml to install WiX Toolset, harvest build files, generate a versioned installer, build the MSI using WiX, and upload the resulting artifact.

WiX Installer Definition:

Added a new installer.wxs file that defines the structure and behavior of the MSI installer, including, uninstall cleanup

On the first layer, after a travel: move a bit of the extrusion at the start, while not moving, do increase the squish of the start.

when two parts in the same object have a different extruder: slice_merge_min_width: don't remove areas thinner than that fromother parts, remove it from yourself (if it intersect). slice_merge_dent: when another part remove areas from you, keep this width from the removal.

resolve WipeTowerIntegration.cpp / filament_pressure_advance

…safe it by using double or by shifting the bits to remove enough of the epsilon-part to be safe to multiply. note: when doing dot or other computation, the removal of the epsilon part when trying to simplify by epsilon lead to great imprecision. note: simplify_quick coded but not tested (only suitable for EPSILON-like simplification) note: need to check which version (int vs double) is the quickest. note: need to optimize the douglas-peuker for the worst case (nothing to remove)

…ngs avoid_travel_island & avoid_travel_island_weight)

…en intersection is on a corner)

…e minimal correct polygon.

…uded this layer for each extruder (vector of float). supermerill: updated to comply with 2.7, remove the variable in the stat, it's not needed rn. supermerill#4380

… it will create gaps between them.

Add extra perimeters where the area is smaller than the setting value.

eff3ry · 2025-08-19T05:33:27Z

its probably not very polished right now, kinda short on time as well :)

eff3ry · 2025-08-27T04:21:35Z

Currently the version number is extracted from version.inc i.e. SLIC3R_VERSION_FULL "2.7.62.0"
for the nightly workflow file the trailing 0 is replaced by the current date i.e. yyMMdd
and on the release candidate workflow the version number is just used as is from the version.inc file

also on the nightly workflow file the product name is set with a suffix so the full product name is like SuperSlicer-Beta-Nightly

eff3ry · 2025-09-02T01:42:51Z

Sorry had to fix some names from nightly to rc on the Release Candidate workflow, should be fixed now :)

supermerill · 2025-09-02T12:14:23Z

tried it.
Had to change the name of the import for rc to rc (like you just did).
The nightly seems to work, have to retry the rc one next time.

supermerill · 2025-09-05T08:33:06Z

D:\a\SuperSlicer\SuperSlicer\winInstaller.wxs(2) : error CNDL0108 : The Product/@Version attribute's value, '2.7.61.9.250904', is not a valid version. Legal version values should look like 'x.x.x.x' where x is an integer from 0 to 65534.

But it succeed with 2.7.62.250901
Should I remove the latest version bit (here the '9') to put the date?

Also, it seems like the upper limit of 65534 isn't enforced.

eff3ry · 2025-09-06T00:39:53Z

D:\a\SuperSlicer\SuperSlicer\winInstaller.wxs(2) : error CNDL0108 : The Product/@Version attribute's value, '2.7.61.9.250904', is not a valid version. Legal version values should look like 'x.x.x.x' where x is an integer from 0 to 65534.

But it succeed with 2.7.62.250901 Should I remove the latest version bit (here the '9') to put the date?

Also, it seems like the upper limit of 65534 isn't enforced.

oh yeah, the workflow is trying to replace the last 0 in the version number with the date,
we could change this to just use the version number as it is from the version file

supermerill · 2025-09-12T13:49:41Z

I've updated the msi creation with 4ac150f
it move the windows fil in the windows-only directory, and I changed from hardcoded names to using the ones from the version.ini
I'll integrate your last two commit rn.

supermerill · 2025-09-17T15:20:30Z

I'll replace ProgramFilesFolder by ProgramFiles64Folder, as it's a 64b program.

I have some questions:

how did you get/generate the guid (Product -> UpgradeCode). It seems used to identify the software, and if used by a fork, it wants to erase superslicer, so I need a way to generate new ones.
How to have the currently used path when you upgrade? Currently, it display c:/program files/superslicer even if I installed it somewhere else. I saw that https://stackoverflow.com/questions/55964/make-wix-installation-set-upgrade-to-the-same-folder and I guess I need to save the path in a registry key (where do I need to put the RegistryValue item?) and then use the <Property Id="INSTALLDIR"> <RegistrySearch ... to get it and set it inside the INSTALLDIR before the <Directory item?

eff3ry · 2025-09-20T02:01:54Z

hey, no worries

I generated the GUID via powershell running [guid]::NewGuid() i suppose you can generate this once and keep it in github secrets, and load it in via the workflow that way no other programs can use the same GUID
it seems you're correct about the registry entry, ill look into it and see if i can get something working

eff3ry · 2025-09-20T02:03:20Z

also if the licence file is saying AGPLv3 instead of GPLv3 it will be a processing error i believe

The installer now reads and writes the installation directory to the HKCU\Software\SuperSlicer registry key. This enables detection of previous install locations

supermerill and others added 30 commits February 1, 2025 12:37

Make the wipe tower works with absolute positioning.

29b5d4e

Set EmbossText to the left bar

e0a2049

emboss: also create, better icon (using a stroke instead of fill)

54f501a

fix emboss

f05f5b5

new setting: first_layer_strong_start

7ded2d2

On the first layer, after a travel: move a bit of the extrusion at the start, while not moving, do increase the squish of the start.

Merge branch 'dev' into dev2.7.62

1d8a4f4

new: wipe_return

594a12d

Merge commit '79e2285530e238ab082bd7753caa05f1f00e7b11' into dev2.7.62

07f3bf1

resolve WipeTowerIntegration.cpp / filament_pressure_advance

Merge branch 'dev' into dev2.7.62

79878a4

fix merge

3d7808f

Merge branch 'dev' into dev2.7.62

8a2de05

Merge branch 'dev' into dev2.7.62

e89ef7d

Merge commit 'ff98629463ac043bdb5194dd00b00526b3738020' into dev_27_62

2a166ad

change version to 2.7.62

19e35c9

avoid crossing perimeter: better inter-island pathing (with new setti…

16a5c66

…ngs avoid_travel_island & avoid_travel_island_weight)

Merge commit '73a1d3070418739f016ec0b7c886b1386e8bf8ad' into dev_27_62

dd7d1ae

Fixed intersection rounding

baae87f

fix Polygon::intersections returning the same point multiple time (wh…

71a3b93

…en intersection is on a corner)

renamed remove_point_too_near to remove_point_too_close

6d0be56

* Updates to thinwalls code in PerimeterGenerator, to optimise the code.

31630b4

new clip_clipper_polygon_with_subject_bbox implementation that produc…

150dcc4

…e minimal correct polygon.

Merge commit '1cad78b0c56d605963cdba2545c20ea5fd721482' into dev_27_62

fa7452b

Merge 2.7.61.1 into dev_27_62

29af483

New macro variable (before layer only) - layer_used_filament: mm extr…

be83fe8

…uded this layer for each extruder (vector of float). supermerill: updated to comply with 2.7, remove the variable in the stat, it's not needed rn. supermerill#4380

Merge branch 'dev_27_61' into dev_27_62

1b7ff14

fix infill merging to easily, overlapping the perimeters.

b802cdd

Don't simplify up to resolution while splitting slice into region, or…

a5c456e

… it will create gaps between them.

New setting: extra_perimeters_below_area

fd1edf2

Add extra perimeters where the area is smaller than the setting value.

supermerill force-pushed the nightly_dev branch from 6f66612 to beaa1bf Compare August 20, 2025 15:07

eff3ry added 3 commits August 27, 2025 15:51

Clean Code for readability

ad90e86

Undo Licence Change

7a7a89c

change date format for version number

2173983

Fix incorrect installer object name in Windows build

736ecde

eff3ry marked this pull request as ready for review August 27, 2025 07:09

eff3ry requested a review from supermerill as a code owner August 27, 2025 07:09

eff3ry added 2 commits September 2, 2025 13:40

Update artifact name in Windows RC workflow

52b5c88

Update MSI artifact name in Windows RC workflow

f4ff66a

eff3ry added 2 commits September 9, 2025 23:02

Change version number format, Add version number null check

c5f37de

only remove trailing zero?

5450dfc

eff3ry added 3 commits September 20, 2025 14:04

Add registry-based install location detection to installer (TO TEST)

878bb13

The installer now reads and writes the installation directory to the HKCU\Software\SuperSlicer registry key. This enables detection of previous install locations

reorder tags

9afa388

Switch registry operations to HKLM in installer

4c7c65d

supermerill force-pushed the nightly_dev branch from eeaa4ad to 7f41751 Compare October 14, 2025 10:06

supermerill force-pushed the nightly_dev branch 5 times, most recently from fe5af4c to e5004df Compare November 27, 2025 12:33

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Windows Installer MSI via Github Actions #4668

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