Issue #21680 has been updated by k0kubun (Takashi Kokubun). Backport changed from 3.2: REQUIRED, 3.3: DONE, 3.4: REQUIRED to 3.2: REQUIRED, 3.3: DONE, 3.4: DONE ruby_3_4 commit:fe8221af30768cbd15409d4cc52b2bb18e91667e merged revision(s) commit:f4f728b319086eea3db6e9909fb9c849c276f813. ---------------------------------------- Bug #21680: Integer#digits bug starting from Ruby 3.1 https://bugs.ruby-lang.org/issues/21680#change-115501 * Author: sigsys (Math Ieu) * Status: Closed * ruby -v: ruby 3.3.10 (2025-10-23 revision 343ea05002) [amd64-freebsd14] * Backport: 3.2: REQUIRED, 3.3: DONE, 3.4: DONE ---------------------------------------- ``` (2**512).digits(256).last ``` The result was 1 on Ruby 3.0. Starting from Ruby 3.1 it turned to 256 (which can't possibly be right). -- https://bugs.ruby-lang.org/