Remove 4-1 related entries from master [ci skip]
CHANGELOG for JSON refactor + added back the `encode_big_decimal_as_string` option with warning
If you're using it to compare hashes for the purpose of testing, please use MiniTest's assert_equal instead.
Use native Array#uniq and Array#uniq! instead.
And improve AS changelog a bit [ci skip]
Other minor changelog improvements [ci skip]
Also some minor improvements to other changelogs. [ci skip]
Check #4575 (comment).
Kernel#capture replaced by version which can catch output from subprocesses
…:class See #7613. [ci skip]
Also fix some wrong formatting. Related discussion: ab72040#commitcomment-1525256