📜🤖 Added by blurb_it.

blurb-it[bot] · web-flow · commit 21a12e934064 · 2020-03-25T00:35:51.000Z
diff --git a/Misc/NEWS.d/next/Library/2020-03-25-00-35-48.bpo-39812.rIKnms.rst b/Misc/NEWS.d/next/Library/2020-03-25-00-35-48.bpo-39812.rIKnms.rst
@@ -0,0 +1,4 @@
+Removed daemon threads from :mod:`concurrent.futures` by adding
+an internal `threading._register_atexit()`, which calls registered functions
+prior to joining all non-daemon threads. This allows for compatibility
+with subinterpreters, which don't support daemon threads.
