Revision 23389 of "Unicode/Versions" on kowikibooks

{{Unicode page}}
{{TOC right}}

This page is about each version specification, and the differences between the versions.

==Unicode 1.0==

Unicode 1.0 was the first version of Unicode, released October 1991. It encoded 7,161 characters.

===“Blocks”===
This version of Unicode did not formally group characters in blocks. But in comparison with version 2.0, the following “blocks” were available:
*'''Basic Latin''', containing 128 characters.
*'''Latin-1 Supplement''', containing 128 characters.
*'''Latin Extended-A''', containing 127 characters.
*'''Latin Extended-B''', containing 113 characters.
*'''IPA Extensions''', containing 89 characters.
*'''Spacing Modifier Letters''', containing 57 characters.
*'''Combining Diacritical Marks''', containing 66 characters.
*'''Greek''', containing 112 characters.
*'''Cyrillic''', containing 192 characters.
*'''Armenian''', containing 84 characters.
*'''Hebrew''', containing 52 characters.
*'''Arabic''', containing 169 characters.
*'''Devanagari''', containing 104 characters.
*'''Bengali''', containing 89 characters.
*'''Gurmukhi''', containing 74 characters.
*'''Gujarati''', containing 75 characters.
*'''Oriya''', containing 78 characters.
*'''Tamil''', containing 61 characters.
*'''Telugu''', containing 80 characters.
*'''Kannada''', containing 80 characters.
*'''Malayalam''', containing 78 characters.
*'''Thai''', containing 92 characters.
*'''Lao''', containing 70 characters.
*'''Tibetan''', containing 71 characters.
*'''Georgian''', containing 78 characters.
*'''General Punctuation''', containing 67 characters.
*'''Superscripts and Subscripts''', containing 28 characters.
*'''Currency Symbols''', containing 11 characters.
*'''Combining Marks for Symbols''', containing 18 characters.
*'''Letterlike Symbols''', containing 57 characters.
*'''Number Forms''', containing 48 characters.
*'''Arrows''', containing 91 characters.
*'''Mathematical Operators''', containing 242 characters.
*'''Miscellaneous Technical''', containing 45 characters.
*'''Control Pictures''', containing 37 characters.
*'''Optical Character Recognition''', containing 11 characters.
*'''Enclosed Alphanumerics''', containing 139 characters.
*'''Box Drawing''', containing 128 characters.
*'''Block Elements''', containing 22 characters.
*'''Geometric Shapes''', containing 79 characters.
*'''Miscellaneous Symbols''', containing 106 characters.
*'''Dingbats''', containing 160 characters.
*'''CJK Symbols and Punctuation''', containing 56 characters.
*'''Hiragana''', containing 90 characters.
*'''Katakana''', containing 90 characters.
*'''Bopomofo''', containing 40 characters.
*'''Hangul Compatibility Jamo''', containing 94 characters.
*'''Kanbun''', containing 16 characters.
*'''Enclosed CJK Letters and Months''', containing 191 characters.
*'''CJK Compatibility''', containing 187 characters.
*'''Hangul Syllables''', containing 2,350 characters.
*'''Private Use''', reserved for 5,632 characters.
*'''CJK Compatibility Forms''', containing 28 characters.
*'''Small Form Variants''', containing 26 characters.
*'''Arabic Presentation Forms-B''', containing 140 characters.
*'''Halfwidth and Fullwidth Forms''', containing 216 characters.
*'''Specials''', containing 1 character.

==Unicode 1.1==

Unicode 1.1 was released June 1993. It encoded 34,233 characters, and finalized the long anticipated Han Unification.

===New blocks===

*'''Hangul Jamo''', containing 240 ''jamos'' for the Hangul script, was added.
*'''Latin Extended Additional''', containing 245 precomposed characters for transliteration and Vietnamese, was added.
*'''Greek Extended''' , containing 233 precomposed characters for polytonic Greek, was added.
*'''CJK Unified Ideographs''', containing 20,902 Han Ideographs for Chinese, Japanese and Korean was added.
*'''CJK Compatibility Ideographs''', containing 302 Han Ideographs for compatibility with existing character sets was added.
*'''Alphabetic Presentation Forms''', containing 57 precomposed characters and ligatures, was added.
*'''Arabic Presentation Forms-A''', containing 593 combinations of Arabic letters, was added.
*'''Combining Half Marks''', containing 4 halves of diacritical marks, was added.

===Removed blocks===

*'''Tibetan''', containing 71 letters for the Tibetan script, was removed from the Unicode standard.

===Extended blocks===

*The long S (ſ) (total 1 character) was added to '''Latin Extended-A'''.
*The Hungarian Dz, characters for transliteration purposes and precomposed characters with double grave and inverted breve (total 35 characters) were added to '''Latin Extended-B'''.
*Diacritics for polytonic Greek and double width diacritics (total 6 characters) were added to '''Combining Diacritical Marks'''.
*Compatibility characters now deprecated (total 5 characters) were added to '''Greek and Coptic'''.
*Additional characters for non-Slavic languages (total 38 characters) were added to '''Cyrillic'''.
*A ligature of Ech and Yiwn (և) (total 1 character) was added to '''Armenian'''.
*One deprecated compatibility character and several characters for biblical texts (total 25 characters) were added to '''Arabic'''.
*The virama (o੍) (total 1 character) was added to '''Gurmukhi'''.
*The candra O and candra E vowels (total 3 characters) were added to '''Gujarati'''.
*The Ai length mark (oୖ) (total 1 character) was added to '''Oriya'''.
*An undertie, a pair of brackets and six formatting characters (total 9 characters) were added to '''General Punctuation'''.
*Some additional symbols and the complete set of APL functional symbols (total 78 characters) were added to '''Miscellaneous Technical'''.
*A large circle () (total 1 character) was added to '''Geometric Shapes'''.
*The ideographic telegraph line feed separator symbol () (total 1 character) was added to '''CJK Symbols and Punctuation'''.
*Four Katakana letters not in use since 1945 (total 4 characters) were added to '''Katakana'''.
*Ideographic telegraph symbols for the twelve months (total 12 characters) were added to '''Enclosed CJK Letters and Months'''.
*Ideographic telegraph symbols for hours and days and six additional measure units (total 62 characters) were added to '''CJK Compatibility'''.
*Some more space (total 2,304 characters) was added to the '''Private Use Area'''.
*Seven halfwidth geometric shapes (total 7 characters) were added to '''Halfwidth and Fullwidth Forms'''.

==Unicode 2.0==

Unicode 2.0 was released July 1996. It encoded 38,950 characters, and was the first Unicode version to reserve blocks outside of the Basic Multilingual Plane.

===New blocks===

*'''Tibetan''', containing 168 characters for the Tibetan script including religious signs, was readded.
*'''Hangul Syllables''', containing 11,172 precomposed syllables for the Hangul script, was added.
*'''Supplementary Private Use Area-A''' and '''Supplementary Private Use Area-B''', reserving a total of 131,068 characters for private use, was added.

===Extended blocks===

*The long S with dot above (ẛ) (total 1 character) was added to '''Latin Extended Additional'''.
*The Vietnamese dong (₫) (total 1 character) was added to '''Currency Symbols'''.
*Cantillation marks for use in religious texts (total 31 characters) were added to '''Hebrew'''.

==Unicode 2.1==

Unicode 2.1 was released May 1998. It encoded 38,952 characters, only 2 characters more than the last version.

===Extended blocks===

*The euro sign (€) (total 1 character) was added to '''Currency Symbols'''.
*The object replacement character () (total 1 character) was added to '''Specials'''.

==Unicode 3.0==

Unicode 3.0 was released September 1999. It was a big update and encoded 49,259 characters.

===New blocks===

*'''Syriac''', containing 71 characters used for writing in Syriac script, was added.
*'''Thaana''', containing 49 characters used for writing in Thaana script, was added.
*'''Sinhala''', containing 80 characters for the Sinhala script, was added.
*'''Myanmar''', containing 78 characters for the Burmese script, was added.
*'''Ethiopic''', containing 345 syllables and punctuation marks for the Ethiopic script, was added.
*'''Cherokee''', containing 85 syllables for the Cherokee script, was added.
*'''Unified Canadian Aboriginal Syllabics''', containing 630 syllables and punctuation marks for writing in aboriginal languages of Canada, was added.
*'''Ogham''', containing 29 characters for the ancient Ogham script, was added.
*'''Runic''', containing 81 characters for the Germanic runes, was added.
*'''Khmer''', containing 103 characters for the Khmer script, was added.
*'''Mongolian''', containing 155 characters for the classical Mongolian script, was added.
*'''Braille Patterns''', containing 256 Braille letters, was added.
*'''CJK Radicals Supplement''', containing 115 non-Kangxi radicals, was added.
*'''Kangxi Radicals''', containing 214 radicals from the Kangxi dictionary, was added.
*'''Ideographic Description characters''', used to describe a Han ideograph not available in the font, was added.
*'''Bopomofo Extended''', containing 24 characters used for phonetic transcription of minority languages of Taiwan, was added.
*'''CJK Unified Ideographs Extension A''', containing 6,582 additional Han Ideographs, was added.
*'''Yi Syllables''', containing 1,165 syllables of the modern Yi script, was added.
*'''Yi Radicals''', containing 50 radicals of Yi Syllables, was added.

===Extended blocks===

*Additional precomposed characters, letters and capital letters of lowercase-only letters (total 30 characters) were added to '''Latin Extended-B'''.
*Extensions for disordered speech (total 5 characters) were added to '''IPA Extensions'''.
*Some additional modifier letters (total 6 characters) were added to '''Spacing Modifier Letters'''.
*Additional diacritics for IPA notation (total 10 characters) were added to '''Combining Diacritical Marks'''.
*Lowercase versions of archaic letters and the Kai symbol (total 5 characters) were added to '''Greek and Coptic'''.
*Nonstandard letters for Macedonian, combining numeral signs and three letters for Kildin Sami (total 12 characters) were added to '''Cyrillic'''.
*The hyphen (֊) (total 1 character) was added to '''Armenian'''.
*Combining hamza and maddah and nine additional Arabic characters (total 12 characters) were added to '''Arabic'''.
*Additional letters and religious symbols (total 25 characters) were added to '''Tibetan'''.
*A narrow no-break space and 6 additional punctuation marks (total 7 characters) were added to '''General Punctuation'''.
*The Kip, Tugrik and Drachma sign (total 3 characters) were added to '''Currency Symbols'''.
*An enclosing screen and an enclosing key (total 2 characters) were added to '''Combining Diacritical Marks for Symbols'''.
*The information symbol and a rotated Q (total 2 characters) were added to '''Letterlike Symbols'''.
*A mirrored Roman capital numeral hundred (Ↄ) (total 1 character) was added to '''Number Forms'''.
*Some additional arrows (total 9 characters) were added to '''Arrows'''.
*Some additional technical symbols, including common keys on a 101 keyboard (total 32 characters) were added to '''Miscellaneous Technical'''.
*Two additional control pictures (total 2 characters) were added to '''Control Pictures'''.
*Squares and circles with quadrants (total 8 characters) were added to '''Geometric Shapes'''.
*Two Syriac crosses and a signature mark (total 3 characters) were added to '''Miscellaneous Symbols'''.
*Three Hangzhou numerals and a variation indicator (total 4 characters) were added to '''CJK Symbols and Punctuation'''.
*An additional Hebrew ligature (יִ) (total 1 character) was added to '''Alphabetic Presentation Forms'''.
*Three additional control characters for ruby markup (total 3 characters) were added to '''Specials'''.

==Unicode 3.1==

Unicode 3.1 was released March 2001. It encoded 94,205 characters and mainly focused on blocks outside of the Basic Multilingual Plane.

===New blocks===

*'''Old Italic''', containing 35 letters for the Etruscan script, was added.
*'''Gothic''', containing 27 letters for the Gothic script, was added.
*'''Deseret''', containing 76 letters for the artificial Deseret script, was added.
*'''Byzantine Musical Symbols''', containing 246 symbols for musical notation in Byzantine, was added.
*'''Musical Symbols''', containing 219 characters for current musical notation, was added.
*'''Mathematical Alphanumeric Symbols''', containing 991 Latin and Greek letters in serif, sans-serif, bold, italic, double-struck, script and Fraktur, was added.
*'''CJK Unified Ideographs Extension B''', containing 42,711 additional Han Ideographs, was added.
*'''CJK Compatibility Ideographs Supplement''', containing 542 additional ideographs for compatibility purposes, was added.
*'''Tags''', containing 97 language tags, was added.

===Extended blocks===

*The capital Theta symbol and the Lunate Epsilon symbol (total 2 characters) were added to '''Greek and Coptic'''.

==Unicode 3.2==

Unicode 3.2 was released March 2002. It encoded 95,221 characters.

===New blocks===

*'''Cyrillic Supplement''', containing 16 characters used for the Komi language, was added.
*'''Tagalog''', containing 20 characters for the Baybayin script, was added.
*'''Hanunoo''', containing 23 characters and punctuation for the Hanunoo script, was added.
*'''Buhid''', containing 20 characters for the Buhid script, was added.
*'''Tagbanwa''', containing 18 characters for the Tagbanwa script, was added.
*'''Miscellaneous Mathematical Symbols-A''', containing 28 symbols used in math notation, was added.
*'''Supplemental Arrows-A''', containing 16 additional arrows, was added.
*'''Supplemental Arrows-B''', containing 128 special arrows, was added.
*'''Miscellaneous Mathematical Symbols-B''', containing 128 additional mathematical symbols, was added.
*'''Supplemental Mathematical Operators''', containing 256 additional mathematical operators, was added.
*'''Katakana Phonetic Extensions''', containing 16 Katakana letters used for Ainu, was added.
*'''Variation Selectors''', containing 16 symbols used for indicating variations, was added.

===Extended blocks===

*The capital letter N with long right leg (Ƞ) (total 1 character) was added to '''Latin Extended-B'''.
*The combining grapheme joiner and combining Latin letters used in medieval texts (total 14 characters) were added to '''Combining Diacritical Marks'''.
*The Qoppa and a reversed lunate epsilon symbol (total 3 characters) were added to '''Greek and Coptic'''.
*Four additional letters used for the Kildin Sami language (total 8 characters) were added to '''Cyrillic'''.
*A dotless Beh and a dotless Qaf (total 2 characters) were added to '''Arabic'''.
*The letter Naa (ޱ) (total 1 character) was added to '''Thaana'''.
*The letters Yn and Elifi (total 2 characters) were added to '''Georgian'''.
*Some additional punctuation marks and control characters (total 12 characters) were added to '''General Punctuation'''.
*A superscript i (ⁱ) (total 1 character) was added to '''Superscripts and Subscripts'''.
*The old penny sign and the peso sign (total 2 characters) were added to '''Currency Symbols'''.
*Some additional combining characters (total 7 characters) were added to '''Combining Diacritical Marks for Symbols'''.
*Some double-struck and reversed/turned letters (total 15 characters) were added to '''Letterlike Symbols'''.
*Some additional arrows (total 12 characters) were added to '''Arrows'''.
*Some additional mathematical operators (total 14 characters) were added to '''Mathematical Operators'''.
*Variable-width and additional symbols (total 53 characters) were added to '''Miscellaneous Technical'''.
*Black and double circled numerals (total 20 characters) were added to '''Enclosed Alphanumerics'''.
*Quadrant elements (total 10 characters) were added to '''Block Elements'''.
*Some additional triangles and squares (total 8 characters) were added to '''Geometric Shapes'''.
*Shogi pieces ,recycling symbols, dices and dotted circles (total 24 characters) were added to '''Miscellaneous Symbols'''.
*Additional parenthesis (total 14 characters) were added to '''Dingbats'''.
*Three additional marks (total 3 characters) were added to '''CJK Symbols and Punctuation'''.
*A digraph and two additional characters (total 3 characters) were added to '''Hiragana'''.
*A digraph and a double hyphen (total 2 characters) were added to '''Katakana'''.
*Additional circled numerals (total 30 characters) were added to '''Enclosed CJK Letters and Months'''.
*Five missing radicals (total 5 characters) were added to '''Yi Radicals'''.
*Additional compatibility characters (total 59 characters) were added to '''CJK Compatibility Ideographs'''.
*The rial sign (﷼) (total 1 character) was added to '''Arabic Presentation Forms-A'''.
*Two sesame dots (total 2 characters) were added to '''CJK Compatibility Forms'''.
*A tail fragment (ﹳ) (total 1 character) was added to '''Arabic Presentation Forms-B'''.
*A pair of double parenthesis (total 2 characters) was added to '''Halfwidth and Fullwidth Forms'''.

==Unicode 4.0==

Unicode 4.0 was released April 2003. It encoded 96,447 characters.

===New blocks===

*'''Limbu''', containing 66 characters for the Limbu abugida, was added.
*'''Tai Le''', containing 35 letters for the Tai Le script, was added.
*'''Khmer Symbols''', containing 32 symbols for the lunar calendar, was added.
*'''Phonetic Extensions''', containing 108 letters used in phonetic transcription, was added.
*'''Miscellaneous Symbols and Arrows''', containing 14 additional arrows, was added.
*'''Yijing Hexagram Symbols''', containing 64 hexagrams, was added.
*'''Linear B Syllabary''', containing 88 syllables of the ancient Linear B script, was added.
*'''Linear B Ideograms''', containing 123 ideograms of the ancient Linear B script, was added.
*'''Aegean Numbers''', containing 57 numerals used in the Aegean area, was added.
*'''Ugaritic''', containing 31 characters used in Ugaritic cuneiform, was added.
*'''Shavian''', containing 48 letters used for the artificial Shavian script, was added.
*'''Osmanya''', containing 40 characters used in the artificial Osmanya script, was added.
*'''Cypriot Syllabary''', containing 55 characters formerly used on Cyprus, was added.
*'''Tai Xuan Jing Symbols''', containing 87 symbols of Tai Xuan Jing, was added.
*'''Variation Selectors Supplement''', containing 240 additional variation selectors, was added.

===Extended blocks===

*Letters with curl used in Sinology (total 4 characters) were added to '''Latin Extended-B'''.
*Former IPA letters (total 2 characters) were added to '''IPA Extensions'''.
*Some additional characters (total 17 characters) were added to '''Spacing Modifier Letters'''.
*Additional combining double-width diacritics and diacritics corresponding to their spacing equivalent (total 11 characters) were added to '''Combining Diacritical Marks'''.
*The archaic letters Sho and San and the capital Lunate Sigma (total 5 characters) were added to '''Greek and Coptic'''.
*Some additional markers, biblical signs, and letters with inverted V (total 19 characters) were added to '''Arabic'''.
*Letters used for foreign words from Persian and Sogdian (total 6 characters) were added to '''Syriac'''.
*The short A (ऄ) (total 1 character) was added to '''Devanagari'''.
*The Avagraha sign (ঽ) (total 1 character) was added to '''Bengali'''.
*The Adak Bindi and Visarga signs (total 2 characters) were added to '''Gurmukhi'''.
*The vocalic l and ll and the Rupee sign (total 5 characters) were added to '''Gujarati'''.
*The letters Va and Wa (total 2 characters) were added to '''Oriya'''.
*Additional signs for date and finance environments (total 8 characters) were added to '''Tamil'''.
*The Nukta and Avagraha signs (total 2 characters) were added to '''Kannada'''.
*Some symbols and signs (total 11 characters) were added to '''Khmer'''.
*An inverted undertie and a swung dash (total 2 characters) were added to '''General Punctuation'''.
*The facsimile sign (℻) (total 1 character) was added to '''Letterlike Symbols'''.
*The eject symbol and a vertical line (total 2 characters) were added to '''Miscellaneous Technical'''.
*A black circled digit zero (⓿) (total 1 character) was added to '''Enclosed Alphanumerics'''.
*Monograms and diagrams, flags, warning and weather symbols and a cup of tea (total 12 characters) were added to '''Miscellaneous Symbols'''.
*Additional parenthesized and circled Korean characters and supplemental signs (total 9 characters) were added to '''Enclosed CJK Letters and Months'''.
*Additional measure units (total 7 characters) were added to '''CJK Compatibility'''.
*An additional Arabic sign (﷽) (total 1 character) was added to '''Arabic Presentation Forms-A'''.
*A pair of vertical parenthesis (total 2 characters) was added to '''CJK Compatibility Forms'''.
*The letters Oi and Ew (total 4 characters) were added to '''Deseret'''.
*A small script l (ℓ) (total 1 character) was added to '''Mathematical Alphanumeric Symbols'''.

==Unicode 4.1==

Unicode 4.1 was released March 2005. It encoded 97,720 characters.

===New blocks===

*'''Arabic Supplement''', containing 30 characters for various languages written with the Arabic script, was added.
*'''Ethiopic Supplement''', containing 26 characters and signs for Sebatbeit, was added.
*'''New Tai Lue''', containing 80 characters for the New Tai Lue script, was added.
*'''Buginese''', containing 30 characters for the Lontara script, was added.
*'''Phonetic Extensions Supplement''', containing 64 additional letters for phonetic transcription, was added.
*'''Combining Diacritical Marks Supplement''', containing 4 additional diacritics, was added.
*'''Glagolitic''', containing 94 characters for the Glagolitic script, was added.
*'''Coptic''', containing 114 characters for the Coptic script, was added.
*'''Georgian Supplement''', containing 38 Nuskhuri letters, was added.
*'''Tifinagh''', containing 55 characters for the Tifinagh script, was added.
*'''Ethiopic Extended''', containing 79 additional Ethiopic syllables, was added.
*'''Supplemental Punctuation''', containing 26 additional punctuation marks, was added.
*'''CJK Strokes''', containing 16 strokes for Han Ideographs, was added.
*'''Modifier Tone Letters''', containing 23 letters for Chinese tones, was added.
*'''Syloti Nagri''', containing 44 characters for the Syloti Nagri abugida, was added.
*'''Vertical Forms''', containing 10 punctuation marks suited for vertical text, was added.
*'''Ancient Greek Numbers''', containing 75 numerals and signs used in Ancient Greek, was added.
*'''Old Persian''', containing 50 characters for Old Persian cuneiform, was added.
*'''Kharoshthi''', containing 65 characters for the Kharoshthi abugida, was added.
*'''Ancient Greek Musical Notation''', containing 70 musical signs used in Ancient Greek, was added.

===Extended blocks===

*Letters for Sencoten, digraphs, letters with swash tail and other additions (total 11 characters) were added to '''Latin Extended-B'''.
*Additional diacritics for transliteration (total 5 characters) were added to '''Combining Diacritical Marks'''.
*Rho with stroke, reversed and dotted Lunate Sigma (total 4 characters) were added to '''Greek and Coptic'''.
*Ghe with descender (Ӷ) (total 2 characters) was added to '''Cyrillic'''.
*An additional biblical mark and some punctuation marks (total 4 characters) were added to '''Hebrew'''.
*Additional biblical marks, punctuation marks and the Afghani sign (total 8 characters) were added to '''Arabic'''.
*A glottal stop (ॽ) (total 1 character) was added to '''Devanagari'''.
*The Khanda Ta letter (ৎ) (total 1 character) was added to '''Bengali'''.
*The letter Sha and the digit zero (total 2 characters) were added to '''Tamil'''.
*Two marks used in Bhutan (total 2 characters) were added to '''Tibetan'''.
*Two letters and a modifier letter (total 3 characters) were added to '''Georgian'''.
*Some additional syllables (total 11 characters) were added to '''Ethiopic'''.
*Additional phonetic symbols (total 20 characters) were added to '''Phonetic Extensions'''.
*A flower and dot punctuation marks (total 9 characters) were added to '''General Punctuation'''.
*Additional subscript letters (total 5 characters) were added to '''Superscripts and Subscripts'''.
*The Guarani, Austral, Hryvnia and Cedi signs (total 4 characters) were added to '''Currency Symbols'''.
*A combining long double solidus (⃫) (total 1 character) was added to '''Combining Diacritical Marks for Symbols'''.
*The per sign and a double-struck letter Pi (total 2 characters) were added to '''Letterlike Symbols'''.
*Metrical and electrical signs (total 11 characters) were added to '''Miscellaneous Technical'''.
*Additional gender and map symbols (total 30 characters) were added to '''Miscellaneous Symbols'''.
*Some additional mathematical symbols (total 7 characters) were added to '''Miscellaneous Mathematical Symbols-A'''.
*Additional arrows and squares (total 6 characters) were added to '''Miscellaneous Symbols and Arrows'''.
*A circled Hangul character (㉾) (total 1 character) was added to '''Enclosed CJK Letters and Months'''.
*Additional Han Ideographs (total 22 characters) were added to '''CJK Unified Ideographs'''.
*Additional Compatibility Ideographs (total 106 characters) were added to '''CJK Compatibility Ideographs'''.
*Italic dotless small i and j (total 2 characters) were added to '''Mathematical Alphanumeric Symbols'''.

==Unicode 5.0==

Unicode 5.0 was released July 2006. It encoded 99,089 characters.

===New blocks===

*'''N'Ko''', containing 59 characters for the N'Ko script, was added.
*'''Balinese''', containing 121 characters and musical signs for the Balinese abugida, was added.
*'''Latin Extended-C''', containing 17 letters for various languages, was added.
*'''Latin Extended-D''', containing 2 characters for UPA, was added.
*'''Phags-pa''', containing 56 characters for the Phags-pa script, was added.
*'''Phoenician''', containing 27 letters and numerals for the Phoenician script, was added.
*'''Cuneiform''', containing 879 signs for Sumero-Akkadian Cuneiform, was added.
*'''Cuneiform Numbers and Punctuation''', containing 103 numerals and punctuation signs for Sumero-Akkadian Cuneiform, was added.
*'''Counting Rod Numerals''', containing 18 numerals used with counting rods, was added.

===Extended blocks===

*Various letters used mainly for aboriginal languages (total 14 characters) were added to '''Latin Extended-B'''.
*Lowercase lunate sigma symbols (total 3 characters) were added to '''Greek and Coptic'''.
*Lowercase palochka and 3 letters used in Nivkh (total 7 characters) were added to '''Cyrillic'''.
*Two letters used in Khanty and other languages (total 4 characters) were added to '''Cyrillic Supplement'''.
*A specific point meant for Vav (ֺ) (total 1 character) was added to '''Hebrew'''.
*Four letters used in Sindhi (total 4 characters) were added to '''Devanagari'''.
*Four letters used in Sanskrit (total 4 characters) were added to '''Kannada'''.
*Additional IPA diacritics (total 9 characters) were added to '''Combining Diacritical Marks Supplement'''.
*Four combining arrows (total 4 characters) were added to '''Combining Diacritical Marks for Symbols'''.
*A danish symbol and a lowercase turned F (total 2 characters) were added to '''Letterlike Symbols'''.
*A lowercase reversed C (ↄ) (total 1 character) was added to '''Number Forms'''.
*Vertical parenthesis, geometric forms and electrical symbols (total 12 characters) were added to '''Miscellaneous Technical'''.
*A neuter symbol (⚲) (total 1 character) was added to '''Miscellaneous Symbols'''.
*Four additional mathematical symbols (total 4 characters) were added to '''Miscellaneous Mathematical Symbols-A'''.
*Additional squares, pentagons and hexagons (total 11 characters) were added to '''Miscellaneous Symbols and Arrows'''.
*Four additional tone letters used in Chinantec (total 4 characters) were added to '''Modifier Tone Letters'''.
*Bold Digamma (𝟊/'''Ϝ''') (total 2 characters) was added to '''Mathematical Alphanumeric Symbols'''.

==Unicode 5.1==

Unicode 5.1 was released March 2008. It encoded 100,713 characters.

===New blocks===
*'''Sundanese''', containing 55 characters, was added.
*'''Lepcha''', containing 74 characters, was added.
*'''Ol Chiki''', containing 48 characters, was added.
*'''Cyrillic Extended-A''', containing 32 characters, was added.
*'''Vai''', containing 300 characters, was added.
*'''Cyrillic Extended-B''', containing 78 characters, was added.
*'''Saurashtra''', containing 81 characters, was added.
*'''Kayah Li''', containing 48 characters, was added.
*'''Rejang''', containing 37 characters, was added.
*'''Cham''', containing 83 characters, was added.
*'''Ancient Symbols''', containing 12 characters, was added.
*'''Phaistos Disc''', containing 46 characters, was added.
*'''Lycian''', containing 29 characters, was added.
*'''Carian''', containing 49 characters, was added.
*'''Lydian''', containing 27 characters, was added.
*'''Mahjong Tiles''', containing 44 characters, was added.
*'''Domino Tiles''', containing 100 characters, was added.

===Extended blocks===
*(total 7 characters) were added to '''Greek and Coptic'''.
*(total 1 character) was added to '''Cyrillic'''.
*(total 16 characters) were added to '''Cyrillic Supplement'''.
*(total 15 characters) were added to '''Arabic'''.
*(total 18 characters) were added to '''Arabic Supplement'''.
*(total 2 characters) were added to '''Devanagari'''.
*(total 2 characters) were added to '''Gurmukhi'''.
*(total 3 characters) were added to '''Oriya'''.
*(total 1 character) was added to '''Tamil'''.
*(total 13 characters) were added to '''Telugu'''.
*(total 17 characters) were added to '''Malayalam'''.
*(total 6 characters) were added to '''Tibetan'''.
*(total 78 characters) were added to '''Myanmar'''.
*(total 1 character) was added to '''Mongolian'''.
*(total 28 characters) were added to '''Combining Diacritical Marks Supplement'''.
*(total 10 characters) were added to '''Latin Extended Additional'''.
*(total 1 character) was added to '''General Punctuation'''.
*(total 1 character) was added to '''Combining Diacritical Marks for Symbols'''.
*(total 1 character) was added to '''Letterlike Symbols'''.
*(total 4 characters) were added to '''Number Forms'''.
*(total 15 characters) were added to '''Miscellaneous Symbols'''.
*(total 5 characters) were added to '''Miscellaneous Mathematical Symbols-A'''.
*(total 51 characters) were added to '''Miscellaneous Symbols and Arrows'''.
*(total 12 characters) were added to '''Latin Extended-C'''.
*(total 23 characters) were added to '''Supplemental Punctuation'''.
*(total 1 character) was added to '''Bopomofo'''.
*(total 20 characters) were added to '''CJK Strokes'''.
*(total 8 characters) were added to '''CJK Unified Ideographs'''.
*(total 5 characters) were added to '''Modifier Tone Letters'''.
*(total 112 characters) were added to '''Latin Extended-D'''.
*(total 3 characters) were added to '''Combining Half Marks'''.
*(total 1 character) was added to '''Musical Symbols'''.

==Unicode 5.2==

Unicode 5.2 was released in October 2009. It encoded 107,361 characters.

===New blocks===
*'''Samaritan''', containing 61 characters, was added.
*'''Unified Canadian Aboriginal Syllabics Extended''', containing 70 characters, was added.
*'''Tai Tham''', containing 127 characters, was added.
*'''Vedic Extensions''', containing 35 characters, was added.
*'''Lisu''', containing 48 characters, was added.
*'''Bamum''', containing 88 characters, was added.
*'''Common Indic Number Forms''', containing 10 characters, was added.
*'''Devanagari Extended''', containing 28 characters, was added.
*'''Hangul Jamo Extended-A''', containing 29 characters, was added.
*'''Javanese''', containing 91 characters, was added.
*'''Myanmar Extended-A''', containing 28 characters, was added.
*'''Tai Viet''', containing 72 characters, was added.
*'''Meetei Mayek''', containing 56 characters, was added.
*'''Hangul Jamo Extended-B''', containing 72 characters, was added.
*'''Imperial Aramaic''', containing 31 characters, was added.
*'''Old South Arabian''', containing 32 characters, was added.
*'''Avestan''', containing 61 characters, was added.
*'''Inscriptional Parthian''', containing 30 characters, was added.
*'''Inscriptional Pahlavi''', containing 27 characters, was added.
*'''Old Turkic''', containing 73 characters, was added.
*'''Rumi Numeral Symbols''', containing 31 characters, was added.
*'''Kaithi''', containing 66 characters, was added.
*'''Egyptian hieroglyphics''', containing 1,071 characters, was added.
*'''Enclosed Alphanumeric Supplement''', containing 63 characters, was added.
*'''Enclosed Ideographic Supplement''', containing 44 characters, was added.
*'''CJK Unified Ideographs Extension C''', containing 4,149 characters, was added.

===Extended blocks===
*(total 2 characters) was added to '''Cyrillic Supplement'''.
*(total 5 characters) was added to '''Devanagari'''.
*(total 1 character) was added to '''Bengali'''.
*(total 4 characters) was added to '''Tibetan'''.
*(total 4 characters) was added to '''Myanmar'''.
*(total 16 characters) was added to '''Hangul Jamo'''.
*(total 10 characters) was added to '''Unified Canadian Aboriginal Syllabics'''.
*(total 3 characters) was added to '''New Tai Lue'''.
*(total 1 character) was added to '''Combining Diacritical Marks Supplement'''.
*(total 3 characters) was added to '''Currency Symbols'''.
*(total 4 characters) was added to '''Number Forms'''.
*(total 1 characters) was added to '''Miscellaneous Technical'''.
*(total 59 characters) was added to '''Miscellaneous Symbols'''.
*(total 1 character) was added to '''Dingbats'''.
*(total 5 characters) was added to '''Miscellaneous Symbols and Arrows'''.
*(total 3 characters) was added to '''Latin Extended-C'''.
*(total 7 characters) was added to '''Coptic'''.
*(total 1 character) was added to '''Supplemental Punctuation'''.
*(total 12 characters) was added to '''Enclosed CJK Letters and Months'''.
*(total 8 characters) was added to '''CJK Unified Ideographs'''.
*(total 3 characters) was added to '''CJK Compatibility Ideographs'''.
*(total 2 characters) was added to '''Phoenician'''.

==Unicode 6.0==

Unicode 6.0 was released in October 2010. It encoded 109,449 characters.

===New Blocks===

*'''Mandaic''', containing 29 characters, was added.
*'''Batak''', containing 56 characters, was added.
*'''Ethiopic Extended-A''', containing 32 characters, was added.
*'''Brahmi''', containing 108 characters, was added.
*'''Bamum Supplement''', containing 761 characters, was added.
*'''Kana Supplement''', containing 2 characters, was added.
*'''Playing Cards''', containing 59 characters, was added.
*'''Miscellaneous Symbols and Pictographs''', containing 529 characters, was added.
*'''Emoticons''', containing 63 characters, was added.
*'''Transport and Map Symbols''', containing 70 characters, was added.
*'''Alchemical Symbols''', containing 116 characters, was added.
*'''CJK Unified Ideographs Extension D''', containing 222 characters, was added.

===Extended blocks===

*(total 2 characters) was added to '''Cyrillic Supplement'''.
*(total 2 characters) was added to '''Arabic'''.
*(total 10 characters) was added to '''Devanagari'''.
*(total 6 characters) was added to '''Oriya'''.
*(total 3 characters) was added to '''Malayalam'''.
*(total 6 characters) was added to '''Tibetan'''.
*(total 2 characters) was added to '''Ethiopic'''.
*(total 1 character) was added to '''Combining Diacritical Marks Supplement'''.
*(total 8 characters) was added to '''Superscripts and Subscripts'''.
*(total 1 character) was added to '''Currency Symbols'''.
*(total 11 characters) was added to '''Miscellaneous Technical'''.
*(total 6 characters) was added to '''Miscellaneous Symbols'''.
*(total 16 characters) was added to '''Dingbats'''.
*(total 2 characters) was added to '''Miscellaneous Mathematical Symbols-A'''.
*(total 2 characters) was added to '''Tifinagh'''.
*(total 3 characters) was added to '''Bopomofo Extended'''.
*(total 2 characters) was added to '''Cyrillic Extended-B'''.
*(total 15 characters) was added to '''Latin Extended-D'''.
*(total 16 characters) was added to '''Arabic Presentation Forms-A'''.
*(total 107 characters) was added to '''Enclosed Alphanumeric Supplement'''.
*(total 13 characters) was added to '''Enclosed Ideographic Supplement'''.

==Unicode 6.1==
Unicode 6.1 was released in January 2012 and is the current version.

==New Blocks==

*'''Arabic Extended-A''', containing 39 characters, was added.
*'''Sundanese Supplement''', containing 8 characters, was added.
*'''Meetei Mayek Extensions''', containing 23 characters, was added.
*'''Meroitic Hieroglyphs''', containing 32 characters, was added.
*'''Meroitic Cursive''', containing 26 characters, was added.
*'''Sora Sompeng''', containing 35 characters, was added.
*'''Chakma''', containing 67 characters, was added.
*'''Sharada''', containing 83 characters, was added.
*'''Takri''', containing 66 characters, was added.
*'''Miao''', containing 133 characters, was added.
*'''Arabic Mathematical Alphabetic Symbols''', containing 143 characters, was added.

===Extended blocks===

*(total 1 character) was added to '''Armenian'''.
*(total 1 character) was added to '''Arabic'''.
*(total 1 character) was added to '''Gujarati'''.
*(total 2 characters) was added to '''Lao'''.
*(total 5 characters) was added to '''Georgian'''.
*(total 9 characters) was added to '''Sundanese'''.
*(total 4 characters) was added to '''Vedic Extensions'''.
*(total 2 characters) was added to '''Miscellaneous Mathematical Symbols-A'''.
*(total 2 characters) was added to '''Coptic'''.
*(total 2 characters) was added to '''Georgian Supplement'''.
*(total 2 characters) was added to '''Tifinagh'''.
*(total 10 characters) was added to '''Supplemental Punctuation'''.
*(total 1 character) was added to '''CJK Unified Ideographs'''.
*(total 9 characters) was added to '''Cyrillic Extended-B'''.
*(total 5 characters) was added to '''Latin Extended-D'''.
*(total 2 characters) was added to '''CJK Compatibility Ideographs'''.
*(total 2 characters) was added to '''Enclosed Alphanumeric Supplement'''.
*(total 4 characters) was added to '''Miscellaneous Symbols and Pictographs'''.
*(total 13 characters) was added to '''Emoticons'''.