# Unable to manually install extension to manual Slicer build

**URL:** <https://discourse.slicer.org/t/unable-to-manually-install-extension-to-manual-slicer-build/19359>\
**Category:** Support\
**Created:** [August 25, 2021, 3:42pm UTC](https://discourse.slicer.org/t/unable-to-manually-install-extension-to-manual-slicer-build/19359 "2021-08-25T15:42:56Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [August 26, 2021, 1:16am UTC](https://discourse.slicer.org/t/unable-to-manually-install-extension-to-manual-slicer-build/19359/5 "2021-08-26T01:16:21Z")

</div>

Commits in question include:

- [ENH: Update extensions manager to support Girder · Slicer/Slicer@109e79c · GitHub](https://github.com/Slicer/Slicer/commit/109e79ce24a24fae7d053696b5eb46ebe193e1cf#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [ENH: Set default extensions manager ServerAPI to "Girder\_v1" · Slicer/Slicer@489a919 · GitHub](https://github.com/Slicer/Slicer/commit/489a919a321c7911dc49183745375269a5b99e9b#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [BUG: Fix loading of extension installed using "Girder\_v1" serverAPI · Slicer/Slicer@5c7c2e4 · GitHub](https://github.com/Slicer/Slicer/commit/5c7c2e4c1614167fbe96a23bd889897ad57066a1#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [BUG: Fix retrieval of extension metadata by name using "Girder\_v1" se… · Slicer/Slicer@57ce038 · GitHub](https://github.com/Slicer/Slicer/commit/57ce038ac3dc761d19906af5045ec18c953fd673#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [BUG: Fix extension compatibility check if installed using "Girder\_v1"… · Slicer/Slicer@1c71a32 · GitHub](https://github.com/Slicer/Slicer/commit/1c71a320711e4a88fa7a443037e8cc4cd301aa69#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [BUG: Ensure all Girder\_v1 extension metadata are added to the model · Slicer/Slicer@e074b36 · GitHub](https://github.com/Slicer/Slicer/commit/e074b36cd66aa986bc2974e69799b3a5cb38bb6c#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)
- [BUG: Ensure extensions installed using "Girder\_v1" serverAPI are enabled · Slicer/Slicer@e2ea8af · GitHub](https://github.com/Slicer/Slicer/commit/e2ea8afa61a4d4b0372f3650c7843c56b757a20c#diff-28a05eaf07fcf6d76c0acf5469b48e5c86f2c0f169d995f027e1f6be14debce0)

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_[View the full topic](https://discourse.slicer.org/t/unable-to-manually-install-extension-to-manual-slicer-build/19359)._