# News ## 3.1.2 - 2019-10-12 ### Improvements * Added `:col_sep` check. [GitHub#94][Reported by Florent Beaurain] * Suppressed warnings. [GitHub#96][Patch by Nobuyoshi Nakada] * Improved documentation. [GitHub#101][GitHub#102][Patch by Vitor Oliveira] ### Fixes * Fixed a typo in documentation. [GitHub#95][Patch by Yuji Yaginuma] * Fixed a multibyte character handling bug. [GitHub#97][Patch by koshigoe] * Fixed typos in documentation. [GitHub#100][Patch by Vitor Oliveira] * Fixed a bug that seeked `StringIO` isn't accepted. [GitHub#98][Patch by MATSUMOTO Katsuyoshi] * Fixed a bug that `CSV.generate_line` doesn't work with `Encoding.default_internal`. [GitHub#105][Reported by David Rodríguez] ### Thanks * Florent Beaurain * Yuji Yaginuma * Nobuyoshi Nakada * koshigoe * Vitor Oliveira * MATSUMOTO Katsuyoshi * David Rodríguez ## 3.1.1 - 2019-04-26 ### Improvements * Added documentation for `strip` option. [GitHub#88][Patch by hayashiyoshino] * Added documentation for `write_converters`, `write_nil_value` and `write_empty_value` options. [GitHub#87][Patch by Masafumi Koba] * Added documentation for `quote_empty` option. [GitHub#89][Patch by kawa\_tech] ### Fixes * Fixed a bug that `strip; true` removes a newline. ### Thanks * hayashiyoshino * Masafumi Koba * kawa\_tech ## 3.1.0 - 2019-04-17 ### Fixes * Fixed a backward incompatibility bug that `CSV#eof?` may raises an error. [GitHub#86][Reported by krororo] ### Thanks * krororo ## 3.0.9 - 2019-04-15 ### Fixes * Fixed a test for Windows. ## 3.0.8 - 2019-04-11 ### Fixes * Fixed a bug that `strip: String` doesn't work. ## 3.0.7 - 2019-04-08 ### Improvements * Improve parse performance 1.5x by introducing loose parser. ### Fixes * Fix performance regression in 3.0.5. * Fix a bug that `CSV#line` returns wrong value when you use `quote_char: nil`. ## 3.0.6 - 2019-03-30 ### Improvements * `CSV.foreach`: Added support for `mode`. ## 3.0.5 - 2019-03-24 ### Improvements * Added `:liberal_parsing => {backslash_quote: true}` option. [GitHub#74][Patch by 284km] * Added `:write_converters` option. [GitHub#73][Patch by Danillo Souza] * Added `:write_nil_value` option. * Added `:write_empty_value` option. * Improved invalid byte line number detection. [GitHub#78][Patch by Alyssa Ross] * Added `quote_char: nil` optimization. [GitHub#79][Patch by 284km] * Improved error message. [GitHub#81][Patch by Andrés Torres] * Improved IO-like implementation for `StringIO` data. [GitHub#80][Patch by Genadi Samokovarov] * Added `:strip` option. [GitHub#58] ### Fixes * Fixed a compatibility bug that `CSV#each` doesn't care `CSV#shift`. [GitHub#76][Patch by Alyssa Ross] * Fixed a compatibility bug that `CSV#eof?` doesn't care `CSV#each` and `CSV#shift`. [GitHub#77][Reported by Chi Leung] * Fixed a compatibility bug that invalid line isn't ignored. [GitHub#82][Reported by krororo] * Fixed a bug that `:skip_lines` doesn't work with multibyte characters data. [GitHub#83][Reported by ff2248] ### Thanks * Alyssa Ross * 284km * Chi Leung * Danillo Souza * Andrés Torres * Genadi Samokovarov * krororo * ff2248 ## 3.0.4 - 2019-01-25 ### Improvements * Removed duplicated `CSV::Row#include?` implementations. [GitHub#69][Patch by Max Schwenk] * Removed duplicated `CSV::Row#header?` implementations. [GitHub#70][Patch by Max Schwenk] ### Fixes * Fixed a typo in document. [GitHub#72][Patch by Artur Beljajev] * Fixed a compatibility bug when row headers are changed. [GitHub#71][Reported by tomoyuki kosaka] ### Thanks * Max Schwenk * Artur Beljajev * tomoyuki kosaka ## 3.0.3 - 2019-01-12 ### Improvements * Migrated benchmark tool to benchmark-driver from benchmark-ips. [GitHub#57][Patch by 284km] * Added `liberal_parsing: {double_quote_outside_quote: true}` parse option. [GitHub#66][Reported by Watson] * Added `quote_empty:` write option. [GitHub#35][Reported by Dave Myron] ### Fixes * Fixed a compatibility bug that `CSV.generate` always return `ASCII-8BIT` encoding string. [GitHub#63][Patch by Watson] * Fixed a compatibility bug that `CSV.parse("", headers: true)` doesn't return `CSV::Table`. [GitHub#64][Reported by Watson][Patch by 284km] * Fixed a compatibility bug that multiple-characters column separator doesn't work. [GitHub#67][Reported by Jesse Reiss] * Fixed a compatibility bug that double `#each` parse twice. [GitHub#68][Reported by Max Schwenk] ### Thanks * Watson * 284km * Jesse Reiss * Dave Myron * Max Schwenk ## 3.0.2 - 2018-12-23 ### Improvements * Changed to use strscan in parser. [GitHub#52][Patch by 284km] * Improves CSV write performance. 3.0.2 will be about 2 times faster than 3.0.1. * Improves CSV parse performance for complex case. 3.0.2 will be about 2 times faster than 3.0.1. ### Fixes * Fixed a parse error bug for new line only input with `headers` option. [GitHub#53][Reported by Chris Beer] * Fixed some typos in document. [GitHub#54][Patch by Victor Shepelev] ### Thanks * 284km * Chris Beer * Victor Shepelev ## 3.0.1 - 2018-12-07 ### Improvements * Added a test. [GitHub#38][Patch by 284km] * `CSV::Row#dup`: Changed to duplicate internal data. [GitHub#39][Reported by André Guimarães Sakata] * Documented `:nil_value` and `:empty_value` options. [GitHub#41][Patch by OwlWorks] * Added support for separator detection for non-seekable inputs. [GitHub#45][Patch by Ilmari Karonen] * Removed needless code. [GitHub#48][Patch by Espartaco Palma] * Added support for parsing header only CSV with `headers: true`. [GitHub#47][Patch by Kazuma Shibasaka] * Added support for coverage report in CI. [GitHub#48][Patch by Espartaco Palma] * Improved auto CR row separator detection. [GitHub#51][Reported by Yuki Kurihara] ### Fixes * Fixed a typo in document. [GitHub#40][Patch by Marcus Stollsteimer] ### Thanks * 284km * André Guimarães Sakata * Marcus Stollsteimer * OwlWorks * Ilmari Karonen * Espartaco Palma * Kazuma Shibasaka * Yuki Kurihara ## 3.0.0 - 2018-06-06 ### Fixes * Fixed a bug that header isn't returned for empty row. [GitHub#37][Patch by Grace Lee] ### Thanks * Grace Lee ## 1.0.2 - 2018-05-03 ### Improvements * Split file for CSV::VERSION * Code cleanup: Split csv.rb into a more manageable structure [GitHub#19][Patch by Espartaco Palma] [GitHub#20][Patch by Steven Daniels] * Use CSV::MalformedCSVError for invalid encoding line [GitHub#26][Reported by deepj] * Support implicit Row <-> Array conversion [Bug #10013][ruby-core:63582][Reported by Dawid Janczak] * Update class docs [GitHub#32][Patch by zverok] * Add `Row#each_pair` [GitHub#33][Patch by zverok] * Improve CSV performance [GitHub#30][Patch by Watson] * Add :nil_value and :empty_value option ### Fixes * Fix a bug that "bom|utf-8" doesn't work [GitHub#23][Reported by Pavel Lobashov] * `CSV::Row#to_h`, `#to_hash`: uses the same value as `Row#[]` [Bug #14482][Reported by tomoya ishida] * Make row separator detection more robust [GitHub#25][Reported by deepj] * Fix a bug that too much separator when col_sep is `" "` [Bug #8784][ruby-core:63582][Reported by Sylvain Laperche] ### Thanks * Espartaco Palma * Steven Daniels * deepj * Dawid Janczak * zverok * Watson * Pavel Lobashov * tomoya ishida * Sylvain Laperche * Ryunosuke Sato ## 1.0.1 - 2018-02-09 ### Improvements * `CSV::Table#delete`: Added bulk delete support. You can delete multiple rows and columns at once. [GitHub#4][Patch by Vladislav] * Updated Gem description. [GitHub#11][Patch by Marcus Stollsteimer] * Code cleanup. [GitHub#12][Patch by Marcus Stollsteimer] [GitHub#14][Patch by Steven Daniels] [GitHub#18][Patch by takkanm] * `CSV::Table#dig`: Added. [GitHub#15][Patch by Tomohiro Ogoke] * `CSV::Row#dig`: Added. [GitHub#15][Patch by Tomohiro Ogoke] * Added ISO 8601 support to date time converter. [GitHub#16] ### Fixes * Fixed wrong `CSV::VERSION`. [GitHub#10][Reported by Marcus Stollsteimer] * `CSV.generate`: Fixed a regression bug that `String` argument is ignored. [GitHub#13][Patch by pavel] ### Thanks * Vladislav * Marcus Stollsteimer * Steven Daniels * takkanm * Tomohiro Ogoke * pavel