Changes since last release

• Added support for uniform geometry attributes to queries and helide
• Added empty libhelium device (hecore) for use as a starting template
• Improved error messages when libhelium element type is incorrectly queried
• Update Dear ImGui version to v1.94 for anari_viewer
• Various bug fixes and reduced compiler warnings

PRs

• add uniform geometry attributes to queries and implement in helide by @jeffamstutz in #175
• Helium object leak warnings by @jeffamstutz in #176
• Add empty helium device example by @jeffamstutz in #177
• improved error checking messages when querying bad array element types by @jeffamstutz in #178
• avoid using std::thread for top-level async support in helide by @jeffamstutz in #179
• enable render tests in CI for debug builds by @jeffamstutz in #180
• improve viewport controls for laptop trackpads by @jeffamstutz in #181
• fix incorrect name for spatial field on transferFunction1D volumes by @jeffamstutz in #182
• move more utility functions from helide into helium by @jeffamstutz in #183
• fix warnings caught by clang by @jeffamstutz in #184
• remove duplicate operator==() for ANARIDataType by @jeffamstutz in #187
• remove C++17 usage in linalg.h by @jeffamstutz in #188
• v0.9.0 release maintenance by @jeffamstutz in #189
• rename src dir + fix anari_viewer teardown order for some GL backends by @jeffamstutz in #190

Full Changelog: v0.8.0...v0.9.0