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Museum Tech Newsletter
September 02, 2026
 
An AI-curated digest of what museums, archives, heritage organizations, and individual researchers are building on GitHub — plus curated news from the cultural heritage sector — delivered every Wednesday.
13 New Repos 85 Releases 125 Active Orgs
This week, from the 736 sources we track in 55+ countries.
01  Spotlight
cesium-unity
CessiumJS
Cesium for Unity is a C# library that brings the 3D geospatial ecosystem into Unity, supporting Windows, macOS, Android, iOS, UWP, and Web builds. Version 1.25.1 adds a fix for a NullReferenceException in CesiumCreditSystem and ensures proper delegate unsubscription to prevent duplicate subscriptions. The release also upgrades the underlying cesium-native dependency from v0.63.0 to v0.64.0, bringing all native improvements into the Unity package.
View on GitHub
02  Releases
cesium-unity
CessiumJS  · C#  · ★ 533
Cesium for Unity v1.25.1 adds support for Windows, macOS (including Apple Silicon), Android, iOS, UWP, and Web (Unity 6+). The release includes sample project download instructions and quick‑start guidance via the Unity Package Manager.
cesium-unreal
CessiumJS  · C++  · ★ 1232
Cesium for Unreal v2.29.1 adds binaries for Unreal 5.6, 5.7, and 5.8 across Windows, Linux, macOS, Android, and iOS, and updates the underlying cesium‑native library from v0.63.0 to v0.64.0.
cesium
CessiumJS  · JavaScript  · ★ 15639
CesiumJS 1.145 introduces draping of clamped vector‑tile polygons and polylines onto 3D Tiles with a new heightReference option, improves clipping polygon quality and hole support, and adds an experimental IonSnapService for server‑side snap‑to‑geometry against BIM/CAD assets.
dpo-voyager
Smithsonian  · JavaScript  · ★ 203
Adds an "Enabled" property for actions and new EnableAction/DisableAction types, plus several bug fixes such as platform‑dependent AR button visibility, annotation crash handling, tour step UI fixes, animation alternation, shader loading, and slicerEnabled behavior, plus memory‑management improvements.
collection
Museum of Modern Art  · ★ 1538
Release v2026-08-25 provides an updated snapshot of the Museum of Modern Art collection data.
smartcompanion-library
SmartCompanion Audioguide  · TypeScript  · ★ 2
Adjusted page padding to avoid content being obscured by the Android navigation bar in Ionic WebView, affecting multiple SmartCompanion UI components.
colmap  · 4.2.0
Colmap
portal.js  · v2.37.0
Europeana
kepler.gl  · v3.3.0-alpha.9
Kepler.gl
data-aggregator  · 1.15
Art Institute of Chicago
iisg-tastade-editor  · v2.0.0
Loghi (HTR Tooling)
translation-api  · translation-api-0.1.4
Europeana
spoon  · v11.5.1-beta-7
Inria - Cultural Heritage
annorepo  · 0.10.0
Loghi (HTR Tooling)
Weaver-Webservice-Core  · 2.2.1-RC1
TAMU Digital Scholarship
03  Most Active Repos
1. convert-a-card  — britishlibrary
150 commits, 300 files changed
2. LinkedDataHub  — AtomGraph
32 commits, 301 files changed
3. mod-oai-pmh  — TAMULib
145 commits, 182 files changed
4. angular-osf  — CenterForOpenScience
11 commits, 304 files changed
5. sustainability  — chnm
5 commits, 300 files changed
04  Notable Pushes
sustainability
Roy Rosenzweig Center for History and New Media  · HTML
Added AI transcription data for over 15,000 documents, repaired corrupted image lists, and rebuilt the search index.
dpo-voyager
Smithsonian  · JavaScript  · ★ 203
Multiple feature enhancements and bug fixes for the Voyager 3D explorer, including memory cleanup, AR button handling, new action APIs, and UI tweaks.
embARC
Library of Congress  · Java  · ★ 12
Released version 1.4.2 of embARC, a Java tool for embedding and validating metadata in MXF and DPX files, and merged the corresponding pull request.
decidim-module-challenges
Generalitat de Catalunya - Cultura  · Ruby  · ★ 1
Upgraded the Decidim module to version 0.30, modifying many files to align with the new core.
parser
IIIF Commons  · TypeScript  · ★ 19
Fixed double‑encoding of percent‑escaped identifiers in the IIIF Presentation 2 parser.
iiif-manifest-editor
Digirati  · TypeScript  · ★ 45
Merges two pull requests for the IIIF Manifest Editor, including fixes for the 2.2.0 release.
MitoPilot
Smithsonian Institution  · R  · ★ 6
Implemented mitogenome search, circularization, scaffold joining, and topology generation for user‑supplied assemblies in the R package.
crsw-data-ingestion-tool
King’s Digital Lab  · Python
Adds a project picker, renames sidecar.py to record.py, introduces a dataset record API, expands dataset schema, and implements a DCAT JSON‑LD exporter.
hyku
Samvera
data-aggregator
Art Institute of Chicago
opendata
National Gallery of Art
pwd
Roy Rosenzweig Center for History and New Media
linked.art
Linked Art
maplibre-gl-js
maplibre
heritage.tudelft.nl
Digirati
cookbook-recipes
IIIF Consortium
collections-exporter
The Science Museum Group
plugin-LocalContexts
Omeka
rdu-fileidentification-galaxy
Cooperative Information Systems
mirador
Mirador Viewer
annotorious
annotorious
CloudCompare
CloudCompare
pcl
Point Cloud Library (PCL)
triplestore
Luomus
dmg-rest-api
Design Museum Gent
redlist_evaluation_tool
Luomus
arches-rascolls
Arches Project
StoryMapJS
Northwestern University Knight Lab
tainacan-openalex
Tainacan Project
jatsinform-view
German Archaeological Institute
kitodo-production
Saxony State and University Library (SLUB)
cesium
CessiumJS
arches-catalog
Arches Project
plugin-Geolocation
Omeka
kitodo-production
Kitodo
kitodo-presentation
Kitodo
kiba-extend
Lyrasis
geniza
Center for Digital Humanities at Princeton
tileserver-gl
MapTiler
dfg-viewer
Saxony State and University Library (SLUB)
m3gim
Digital Humanities Craft
arches-rascoll-etl
Open Context
iisg-tastade-editor
Loghi (HTR Tooling)
laji
Luomus
plugin-ItemRelations
Omeka
theme-rhythm
Omeka
theme-seasons
Omeka
AliceVision
AliceVision
RDFa-Editor
Knowledge Graph Management System
Omeka
Omeka
openlayers
OpenLayers
timdex-ui
MIT Libraries
concepts
German Archaeological Institute
convert-a-card
The British Library
marinegeo-metadata
Smithsonian Institution
dsp-tools
Cooperative Information Systems
fcs-ql
CLARIN ERIC
fcs-sru-aggregator-ui
CLARIN ERIC
mgr-applications
Folio (Library Services)
caas-aspace-scripts
Smithsonian Institution
metis-core
Europeana
omeka-s
Omeka
framesense
King’s Digital Lab
saxon-ror
Saxony State and University Library (SLUB)
cul-my-account
Cornell University Library
slub_zotero
Saxony State and University Library (SLUB)
QtAliceVision
AliceVision
website
IIIF Consortium
atrium-galaxy-tools
DARIAH-EU
clarin-learner-corpora-editor
CLARIN ERIC
05  Tool Watch
IIIF
dezoomify
Audited legacy test fixtures, affecting many test files.
View on GitHub
Annotorious
Added a new `getAt` function signature to the Annotorious library.
View on GitHub
MapLibre GL
MapLibre GL
Fixed the navigation control behavior at the effective minimum zoom level in MapLibre GL JS.
View on GitHub
Three.js
Voyager  · v0.65.0
Adds an "Enabled" property for actions and new EnableAction/DisableAction types, plus several bug fixes such as platform‑dependent AR button visibility, annotation crash handling, tour step UI fixes, animation alternation, shader loading, and slicerEnabled behavior, plus memory‑management improvements.
View on GitHub
Voyager
Multiple feature enhancements and bug fixes for the Voyager 3D explorer, including memory cleanup, AR button handling, new action APIs, and UI tweaks.
View on GitHub
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