rubygems/rubygems v3.3.20

on GitHub

Enhancements:

• Include backtrace with crashes by default. Pull request #5811 by
  deivid-rodriguez
• Don't create broken symlinks when a gem includes them, but print a
  warning instead. Pull request #5801 by deivid-rodriguez
• Warn (rather than crash) when setting nil specification versions. Pull
  request #5794 by deivid-rodriguez
• Installs bundler 2.3.20 as a default gem.

Bug fixes:

• Always consider installed specs for resolution, even if prereleases.
  Pull request #5821 by deivid-rodriguez
• Fix gem install with --platform flag not matching simulated platform
  correctly. Pull request #5820 by deivid-rodriguez
• Fix platform matching for index specs. Pull request #5795 by Ilushkanama