Issue #19387 has been updated by luke-gru (Luke Gruber). Subject changed from Issue with ObjectSpace.each_objects not returning IO objects after starting a ractor to Issue with ObjectSpace.each_objects not returning objects after starting a ractor The problem is actually for any objects, not just IO. ---------------------------------------- Bug #19387: Issue with ObjectSpace.each_objects not returning objects after starting a ractor https://bugs.ruby-lang.org/issues/19387#change-101525 * Author: luke-gru (Luke Gruber) * Status: Open * Priority: Normal * Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN ---------------------------------------- ```ruby r = Ractor.new do receive # block, the problem is not the termination of the ractor but the starting end ObjectSpace.each_object(IO) { |io| p io # we get no objects } ``` -- https://bugs.ruby-lang.org/