Unicode Technical Reports

For more information see About Unicode Technical Reports and the Specifications FAQ. 

Unicode Standard Annexes
UAX	9	Unicode Bidirectional Algorithm
UAX	11	East Asian Width
UAX	14	Unicode Line Breaking Algorithm
UAX	15	Unicode Normalization Forms
UAX	24	Unicode Script Property
UAX	29	Unicode Text Segmentation
UAX	31	Unicode Identifier and Pattern Syntax
UAX	34	Unicode Named Character Sequences
UAX	38	Unicode Han Database (Unihan)
UAX	41	Common References for Unicode Standard Annexes
UAX	42	Unicode Character Database in XML
UAX	44	Unicode Character Database
UAX	45	U-Source Ideographs
See also Proposed Updates for Standard Annexes
Technical Standards
UTS	6	A Standard Compression Scheme for Unicode
UTS	10	Unicode Collation Algorithm
UTS	18	Unicode Regular Expressions See also Proposed Update
UTS	22	Unicode Character Mapping Markup Language
UTS	35	Unicode Locale Data Markup Language (LDML) See also Proposed Update
UTS	37	Unicode Ideographic Variation Database
UTS	39	Unicode Security Mechanisms See also Proposed Update
UTS	46	Unicode IDNA Compatibility Processing
UTS	52	Unicode Emoji Mechanisms (Status: Proposed Draft)
Technical Reports
UTR	16	UTF-EBCDIC
UTR	17	Character Encoding Model
UTR	23	The Unicode Character Property Model
UTR	25	Unicode Support for Mathematics
UTR	26	Compatibility Encoding Scheme for UTF-16: 8-Bit (CESU-8)
UTR	33	Unicode Conformance Model
UTR	36	Unicode Security Considerations
UTR	50	Unicode Vertical Text Layout
UTR	51	Unicode Emoji See also: Proposed Update
Old Versions of the Unicode Standard (Superseded)
UTR	4	The Unicode Standard, Version 1.1
UTR	8	The Unicode Standard, Version 2.1
UAX	27	Unicode 3.1
UAX	28	Unicode 3.2
Other Superseded Reports
UTR	1	Proposals for Burmese (Myanmar), Khmer, and Ethiopian
UTR	2	Proposals for Sinhala, Mongolian, and Tibetan
UTR	3	Proposals for Less Common Scripts
UTR	5	Handling Non-Spacing Marks
UTR	7	Plane 14 Characters for Language Tags
UAX	13	Unicode Newline Guidelines
UAX	19	UTF-32
UAX	21	Case Mappings
Withdrawn Reports
UTR	12	Support for Interlinear Annotations
UTR	20	Unicode in XML and other Markup Languages
UTR	30	Unicode Character Foldings
UTR	32	Assessing Unicode Support
UTS	40	BOCU-1: MIME-Compatible Unicode Compression
UTR	49	Unicode Character Categories

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