stringio 3.1.9 - 2025-12-01

Improvements

• [DOC] Tweaks for StringIO#each_line

  • GH-165

• [DOC] Doc for StringIO.size

  • GH-175

• [DOC] Tweaks for StringIO#fsync

  • GH-173

• [DOC] Fix #seek link

  • GH-174

• Add a note about chilled string support to 3.1.8 release note

  • GH-180 fixes GH-179

Fixes

• JRuby: Removed use of RubyBasicObject.flags
  • GH-182

Thanks

• Burdette Lamar

• Charles Oliver Nutter

stringio 3.1.8 - 2025-11-12

Improvements

• Improved documents
  • Patch by Burdette Lamar

Fixes

• Fixed SEGV in StringIO#seek with SEEK_END on StringIO.new(nil)

  • GH-137
  • Patch by koh-sh

• Fixed SEGV in StringIO#read on StringIO.new(nil)

• Fixed SEGV in StringIO#pread on StringIO.new(nil)

• Fixed SEGV in StringIO#eof? on StringIO.new(nil)

• JRuby: Fixed a bug that StringIO#read doesn't clear code range

  • GH-156
  • Patch by Karol Bucek

Thanks

• koh-sh

• Burdette Lamar

• Karol Bucek

stringio 3.1.7 - 2025-04-21

Improvements

• CRuby: Added support for rb_io_mode_t that will be introduced in
  Ruby 3.5 or later.
  • GH-129
  • Patch by Samuel Williams

Thanks

• Samuel Williams

stringio 3.1.6 - 2025-03-25

Fixes

• CRuby: Fix SEGV at unget to a null device StringIO
• JRuby:
  • Fix NullPointerException at unget to a null device StringIO
  • Use proper checkEncoding signature
  • Update strioWrite logic to match CRuby
  • GH-124

stringio 3.1.5 - 2025-02-21

Improvements

• JRuby: Improved compatibility with CRuby for StringIO#seek with
  frozen string.
  • GH-119
  • GH-121

stringio 3.1.4 - 2025-02-20

Improvements

• JRuby: Improved compatibility with CRuby.
  • GH-116

Fixes

• CRuby: Fixed a bug that StringIO may mutate a shared string.
  • GH-117

stringio 3.1.3 - 2025-02-14

Fixes

• JRuby: Fixed a bug that JRuby may not be able to be started
  • GH-112
  • GH-113
  • Reported by Karol Bucek

Thanks

• Karol Bucek

stringio 3.1.2 - 2024-11-07

Improvements

• JRuby: Added support for detecting encoding by BOM.
  • GH-100
  • GH-101

Fixes

• CRuby: Fixed a bug that unknown memory may be used by
  StringIO#ungetc/StringIO#ungetbyte.
  • https://hackerone.com/reports/2805165
  • Reported by manun.

Thanks

• manun

stringio 3.1.1 - 2024-06-13

Improvements

• JRuby: Improved.

  • GH-83
  • GH-84
  • GH-85

• Added StringIO::MAX_LENGTH.

• Added support for NULL StringIO by StringIO.new(nil).

• Improved IO compatibility for partial read.

  • GH-95
  • https://bugs.ruby-lang.org/issues/20418

Fixes

• Fixed a bug that coderange isn't updated after overwrite.
  • Reported by Tiago Cardoso.
  • https://bugs.ruby-lang.org/issues/20185
  • GH-77
  • GH-79

Thanks

• Tiago Cardoso

stringio 3.1.0 - 2023-11-28

Fixes

• TruffleRuby: Do not compile the C extension

  GH-71