Hiroshi SHIBATA

I didn't review this yet. Don't rush this.

@tmtm Should we deprecate `auth_cram_md5` and related methods like `cram_md5_response` and `cram_secret`?

I'm +1 to this feature. But I'm not sure what `meta` is best name for this usecase.

>I need more recent version of the gem so I install it by running gem install bundler:2.4.19 --default You don't need to add `--default` option for your use-case. Use just...

`test_build_cdylib` and `test_rubygems_cfg_passed_to_rustc` are leaked from temp directory.

>ri keeps an humongous backlog of old versions. A single gem may have nearly 10.000 files worth, to the extent that it slows down find /opt noticeably. Can it be...

You can ignore to generate docs from `gem install` with `--no-document` option. ``` $ cat ~/.config/gem/gemrc gem: "--no-document" ```

How `gem selfupdate` and `bundle selfupdate`?

I also reproduce this.

FYI: I request to backport my fixes to Ruby 3.3.1.