Looking at the attached image it's kind of weird that the roundabout is not there. This belongs to http://www.openstreetmap.org/#map=19/41.35792/2.10283
Created attachment 102511 [details] image of the missing roundabout
Git commit 70213164ba4709b9d006991998d729af6d2e7992 by Dennis Nienhüser. Committed on 17/12/2016 at 07:31. Pushed by nienhueser into branch 'master'. Fix Douglas Peucker node reduction for small circular line strings This lead to missing roundabouts on level 15 and lower. FIXED-IN: Android/1.0.2 M +1 -1 tools/vectorosm-tilecreator/NodeReducer.h https://commits.kde.org/marble/70213164ba4709b9d006991998d729af6d2e7992
Some roundabouts are still missing.
Git commit 296b6269c5ed5d87eec7f37a5a0b39d37c1acb8f by Dennis Nienhüser. Committed on 03/02/2017 at 13:45. Pushed by nienhueser into branch 'master'. Fix corner case when lines degenerate to points M +1 -1 tools/vectorosm-tilecreator/NodeReducer.cpp https://commits.kde.org/marble/296b6269c5ed5d87eec7f37a5a0b39d37c1acb8f