0.27.0-alpha.7

✨ Highlights

• Many new view properties settable from blueprints
• Enable multiple instance poses for Points3D
• Allow eye-tracking camera to follow arbitrary entity
• Keyboard navigation in all tree UIs
• Improved OSS server with support for layers, properties and column projections
• OSS server accessible from Python

⚠️ Breaking changes

• Dropped support for Python 3.9

🧳 Migration guide: https://github.com/rerun-io/rerun/blob/0.27.0-alpha.7/docs/content/reference/migration/migration-0-27.md

🪵 Log API

• Functionality to add_time_column via lenses #11596

🌊 C++ API

• CMake: Download Arrow from Tarball URL Instead of Git #11558 (thanks @threeal!)

🐍 Python API

• Expose view container visibility in python blueprint api #11602
• Drop Python 3.9 Support #11426
• Try to avoid timestamp footguns #11601
• py-sdk: add register_prefix SDK call #11600
• Improve errors in mesh3d_ext #11662 (thanks @iwanders!)
• Return optional DebugInfo with memory_used as part of CreateIndexResponse #11691
• Add a new target_partition_num_rows API parameter to the CreateIndex API #11686
• Add Ability to Launch OSS Server From Python #11689
• Our IndexValuesLike type is overly strict. Allow np.datetime64 inputs #11721
• Add play state, loop mode and loop selection to blueprint #11664

🪳 Bug fixes

• Fix handling of components that only vary by descriptors #11593
• Fix selection panel infinite redraw #11623

🌁 Viewer improvements

• Background of graph view is now blueprint configurable #11522
• Enable multiple instance poses for Points3D #11572
• Disable toast when copying component path #11495
• Add cyclic colormap #11498
• Allow eye-camera tracking arbitrary entities in 3D view #11554 (thanks @Gentlegg!)
• Introduce experimental CoordinateFrame archetype #11674

🗄️ OSS server

• Add support for layers in OSS server #11532
• Add support for properties in OSS server #11630
• Simplify CreateIndexRequest #11636
• Improve column projection specification and implement it for OSS server #11687

🚀 Performance improvements

• Perform transform tree walk only once per frame, rather than for every View #11470
• Significantly improve transform ingestion speed #11655
• Update mimalloc allocator from v2 to v3 #11703

📚 Docs

• Clarify that 0B memory limit for grpc server only makes sense if client/server are connected from the start #11599
• Add documentation to dataframe query workflow and fix api rendering for bindings #11650

🖼 UI improvements

• Fix blueprint / streams tree navigation ignoring focus #11574
• Keyboard navigation in tree UIs (left panel, streams panel, etc.) #11595
• Improve formatting of durations and timestamps #11659
• When scrubbing time, intelligently round to a nice value #11658

🤷‍ Other

• Add client object table writing functions #11657