HiliteViewer 15.2: - restored network synchronization; - restored vivaldi export (HILITEEXT-187); - restored reset and center pivot actions; - improved light config UI (indication of active config and unsaved changes in list); - fixed screen refresh after FlipNormal action (HILITEEXT-188); - fixed missing simulation update when shadow flags are changed (HILITEEXT-156); - fixed missing cancellation of TreeNode editing in some cases of focus lost (HILITEEXT-178); - fixed reset of orbit center when new project is loaded (HILITEEXT-177); - fixed restoration of light configuration that contains Spot/Point/Directional/Sky/Image lights; - fixed crash when applying light config (HILITEEXT-191) - fixed crash when ImageLight is created without an image (crash when light cofiguration with image light is applied); - fixed text input with "R" in light tree (HILITEEXT-193); - fixed possible crash when deleting material; - fixed possible crash when assigning material (HILITEEXT-182); - fixed fallback material if geometry initially does not have any material subsets; - fixed crash in scene tree drag&drop (HILITEEXT-179); - fixed conflicts between transformation handle and transformation state of scene nodes (HILITEEXT-184); - fixed some memory leaks (still some remaining);