Release 2.9 Key Dates:
M1: Release Announcement (08/13)
M2: Land Target PRs in PyTorch repo - DEADLINE (09/05)
M3.1: Release branch cut (09/08)
M3.2: Release first RC1 Binary for PyTorch Core (09/10)
M3.3: Ecosystem libraries cut RC Branch (09/11)
M4: Release branch finalized, Announce final launch date, new features published (week of 09/29) - Final RC is produced.
M4.1 Tutorial drafts submission deadline (10/08)
M5: External-Facing Content Finalized (10/10)
M6: Release Day (10/15)