[postgis-tickets] [PostGIS] #4541: ST_ConcaveHull returns a "geometrycollection" type instead of the expected "polygon"

[PostGIS]

#4541: ST_ConcaveHull returns a "geometrycollection" type instead of the expected
"polygon"
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  Reporter:  v89461   |      Owner:  robe
      Type:  defect   |     Status:  new
  Priority:  blocker  |  Milestone:  PostGIS 2.5.5
 Component:  postgis  |    Version:  2.5.x
Resolution:           |   Keywords:
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Comment (by pramsey):

 Confirmed, master returns a lot of points, and 2.4 returns a basic
 polygon. What changed in this function?

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4541#comment:3>
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