Upgrade to Ruby 2.7.4.
Fix command injection vulnerability in RDoc.
Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.
Fix StartTLS stripping vulnerability in Net::IMAP.
Revert a commit changing CFLAGS to avoid failures in test_jit.rb.
Upgrade to Bundler 2.2.24.
2020-36327
Fix some failing Bundler tests with old Git.

Upgrade to Ruby 2.7.3.
Resolv::DNS: timeouts if multiple IPv6 name servers are given and address

Upgrade to Ruby 2.7.1.
Call load builtin macro if it is defined, or call own load macro.

Fix did_you_mean (LoadError) that happens when running `bundle install`.

Provide StdLib links for Racc and install it by default.

Upgrade to Ruby 2.7.0.

Exclude {rdoc,irb}.rb dangling symlinks from ruby-libs.

Link IRB back to StdLib.

Upgrade to Ruby 2.6.2.

Don't ship .stp files when SystemTap support is disabled.

Upgrade to Ruby 2.6.1.

Upgrade to Ruby 2.6.0.

Update to Ruby 2.5.3.
2018-16395
2018-16396
2.5.0-parse.y-assignable_error.patch; subsumed
2.5.0-Disable-Tokyo-TZ-tests.patch; subsumed
2.5.0-st.c-retry-operations-if-rebuilt.patch; subsumed
Properly harden package using -fstack-protector-strong.
Fix: return default path with nonexistent home dir

They are broken by recen tzdata update.
Fix thread_safe test suite segfaults.
Fix invalid licenses.

Fix segfaults during generating of documentation.

Update for did_you_mean required by ruby