The UTC will be conducted as a hybrid online/in-person meeting. See the meeting logistics page for details.
Most topics are organized into categories according to working groups that have discussed topics in advance and provided recommendations. UTC discussions for the topic categories are pre-scheduled. Specific topics within each category will be discussed within the scheduled time window. In general, the schedule for individual topics may be fluid. In certain cases, however, specific topics may be scheduled for a specific time: see Scheduled Activies below.
See the meeting logistics page for a schedule summary.
Quorum will be verified each morning and throughout the meeting. All members need to make proxy designations in advance.
Dates and times shown are Pacific Standard time (UTC-08:00).
Scheduled Activities
The following individual topics are scheduled for discussion at specific times.
| Agenda item / Topic | Document | Day and Time |
|---|---|---|
| E.4.2 Proposal to provisionally assign or accept 603 urgently-needed ideographs | L2/23-106 | Tuesday, 5:00 pm |
| F.6 Proper Complex Script Support in Text Terminals | L2/23-107 | Wednesday, 11:00 am |
| B.4.1 CLDR Keyboard Subcommittee liaison report | (Andrew Glass oral report) | Wednesday, 3:30 pm |
| D.5 Text representation and shaping manual of the Mongolian script | L2/23-101 | Wednesday, 5:00 pm |
See the meeting logistics page for a schedule summary.
Meeting Opening
Deferral to L2 chair to start L2 meeting and L2 topics.
A. Administrative Topics
Schedule: Tuesday, 10:30 am; Wednesday 9:30 am; Thursday 9:30 am & afternoon
A.1 Consortium membership; meeting quorum and proxies
A.2 Agenda review
A.3 Approval of minutes of prior meeting [L2/23-005]
A.4 Action item review
A.5 Calendar review [Calendar]
A.6 PRI closing dates [Public Review Issues]
A.7 L2 representatives
B. Liaison Reports & Technical Topics
Schedule: Tuesday morning & afternoon; Wednesday morning & afternoon; Thursday morning
B.1 JTC 1/SC 2
SC2 topics:
- ISO/IEC 10646:2020 Amendment 1: FDIS ballot (closes April 28)
- ISO/IEC 10646:2020 Amendment 2: CDAM2 call for comments (closes May 8)
Documents:
- SC2 document N4843
- Additional draft repertoire for ISO/IEC 10646 6th edition Amendment 2 (CDAM2) [Michel Suignard, L2/22-194]
B.2 IRG (see also IRG topics under E.1)
B.2.1 US/Unicode Activity Report for IRG #60 [Ken Lunde, L2/23-058]
B.3 ICU
B.4 CLDR
B.4.1 CLDR Keyboard Subcommittee
Schedule: Wednesday, 3:30 pm
B.5 TC 37/SC 2
B.6 IETF / ICANN
B.7 SEI Liaison Report [Anderson, L2/23-084]
B.8 INFITT
B.9 LSA
B.10 JTC 1/SC 22
B.11 TC 46
C. Editorial Committee
Schedule: Tuesday morning
Discussion led by EdComm acting chair, Ken Whistler
C.1 Editorial Committee Report and Recommendations for UTC #175 Meeting [Whistler, L2/23-080]
C.2 PRI #464 Proposed Update UAX #41, Common References for Unicode Standard Annexes
Documents:
- PRI #464 Proposed Update UAX #41, Common References for Unicode Standard Annexes
- Proposed Update UAX #41, Common References for Unicode Standard Annexes (snapshot) [Ken Whistler, Rick McGowan, L2/23-048]
D. Scripts
Schedule: Wednesday morning & afternoon
D.1 Recommendations to UTC #175 April 2023 on Script Proposals [Anderson, et al, L2/23-083]
Discussion led by Script Ad-Hoc chair, Debbie Anderson, and vice-chair, Roozbeh Pournader
D.1.1 Proposals requiring UTC action
Topics requring UTC action:
- Proposal for ARABIC BIBLICAL END OF VERSE [Lorna Priest Evans, L2/23-103]
- Unicode Cuneiform Sign Lists [Robin Leroy, L2/23-071]
- Proposal to encode a blank character for Khitan Small Script [Andrew West, L2/23-065]
- Glyph Corrections for Eight Tangut Ideographs [Andrew West, L2/23-066]
- Revised designs of the alchemical symbols block [Kirk Miller, L2/23-069]
- FORINT SIGN (see D.6)
- [Response to] Request to replace "start" with "star" in the name for U+06DE [Kamal Mansour, L2/23-061]
- Public review feedback (January 5 – April 5, 2023) routed to Script Ad-Hoc [Rick McGowan, L2/23-078]
D.1.2 Recommendations on Unicode 16.0
D.1.3 Documents not requiring UTC action
Other script documents
- Proposal to encode Bima characters (supercedes L2/22-150) [Febri Muhammad Nasrullah, L2/23-070]
- Towards an Encoding of the Jurchen Script [Andrew West, L2/23-068]
- Khmer
- Initial Teaching Alphabet
- Proposal to Encode Slovene Metelko Alphabet 2022 [Nikita Manulov, L2/23-074]
- Revised proposal to encode Sidetic in Unicode [Anshuman Pandey, L2/23-019]
- Left-to-right directionality in Arabic numeric expressions [Kamal Mansour, L2/23-064]
- Article on Old Hungarian letters for Q, X, Y [Viktor Kovács, Deborah Anderson, L2/23-067]
D.2 Seal script
Documents:
- UCS Seal Script Source Mapping Data [Richard Cook, L2/22-279]
- Considerations concerning the Small Seal encoding initiative
[Michel Suignard, WG2/5209]
- Table: PDF (1395pp), XLS
- 14-Column Seal Script Glyph comparison chart 2017-12-06 [Suzuki Toshiya, Richard Cook, WG2/N5211]
D.3 Draft encoding proposal for an extended Egyptian Hieroglyphs repertoire [Michel Suignard, et al, L2/23-109] (data file, 41 MB)
D.4 Tulu / Tulu-Tigalari
Documents:
D.5 Mongolian
Schedule: Wednesday, 5:00 pm
Documents:
- Text representation and shaping manual of the Mongolian script [Kushim Jiang, L2/23-101]
D.6 Forint sign
Documents:
D.7 Encoding proposal templates
Documents:
D.8 Do Not Emit data
D.9 ScriptExtensions
E. CJK and Unihan
Schedule: Tuesday afternoon
Discussion led by CJK and Unihan Group chair, Ken Lunde
E.1 CJK & Unihan Group Recommendations for UTC #175 Meeting [Ken Lunde, L2/23-082]
Topics:
- Unihan Database status
- GB 18030-2002 (see also E.4)
- Public review feedback: PRI #467 Proposed Update UAX #38 (see E.2)
- Public review feedback: PRI #468 Proposed Update UAX #45 (see E.3)
- Public review feedback: PRI #473 Unicode 15.1 Alpha (see H.2.1)
- Public review feedback (January 5 – April 5, 2023) routed to CJK and Unihan Group [Rick McGowan, L2/23-078]
- UAX #38 Unicode Han Database (Unihan) (see also E.2)
Documents:
- Additional kRSUnicode Values [John Jenkins, L2/23-059]
- IRG Documents (see also B.2)
Documents:
- IRG Meeting #60 Recommendations and Action Items [IRG, L2/23-087]
- Editorial Report on Miscellaneous Issues [IRG/CJK editorial group, L2/23-088]
- Request to Update Glyph for U+31D5A [Henry Chan, Woo Chi Chung, L2/23-085]
- G glyphs for U+25D89 and U+28BBA [Jaemin Chung, L2/23-089]
- A revised proposal requesting a Horizontal Extension of 150 Hanja chars [SHIN Sanghyun, KIM Kyongsok, PYO Seungju, L2/23-086]
- Other topics / documents
E.2 PRI #467 Proposed Update UAX #38, Unicode Han Database (Unihan)
Documents:
- PRI #467 Proposed Update UAX #38, Unicode Han Database (Unihan)
- Proposed Update UAX #38, Unicode Han Database (snapshot) [John Jenkins, et al, L2/23-094]
- Accumulated Feedback on PRI #467
E.3 PRI #468 Proposed Update UAX #45, U-source Ideographs
Documents:
- PRI #468 Proposed Update UAX #45, U-source Ideographs
- Proposed Update UAX #45, U-Source Ideographs (snapshot) [John Jenkins, L2/23-050]
- Accumulated Feedback on PRI #468
E.4 GB 18030-2022
E.4.1 GB 18030-2022 Amendment, Draft 2 & Disposition of Draft 1 Comments [China NB, L2/23-100]
E.4.2 Proposal to provisionally assign or accept 603 urgently-needed ideographs [Ken Lunde, L2/23-106]
Schedule: Tuesday, 5:00 pm
E.4.3 Member / vendor considerations
F. Properties and Algorithms
Schedule: Thursday morning & afternoon
F.1 PAG: UTC #175 properties feedback & recommendations [Markus Scherer, et al, L2/23-079]
Topics / documents:
- Simple_Case_Folding mappings (see topics under F.2.6)
- Annotated version of UAX #14 (see also F.2.2)
- value "none" can mean the absence of a value (see also F.2.6)
- Case convention of the name of NFKC_SCF (see also F.2.6)
- New characters with no significant issues
- Forint sign (see also D.6)
- Bidi algorithm and normalization (see also F.2.1)
- Handling of class QU in the line breaking algorithm (see topics under F.2.2)
- Properties for Two Khmer Characters (see topics under F.2.5)
- Line-breaking at orthographic syllable boundaries (see topics under F.2.2 and also F.5)
- Grapheme clusters for Indic scripts
- Emoji and grapheme clusters (see also F.2.4, G.3)
- UTS #18 open action items
- Source Code Working Group update (see also F.4)
- Public review feedback: PRI #462 (see F.2.5)
- Public review feedback: PRI #463 (see F.3)
- Public review feedback: PRI #469 (see F.2.4)
- Public review feedback (January 5 – April 5, 2023) routed to Properties and Algorithms Group [Rick McGowan, L2/23-078]
F.2 Proposed updates to Unicode Standard Annexes
Topics:
F.2.1 PRI #460 Proposed Update UAX #9, Unicode Bidirectional Algorithm
Documents:
- PRI #460 Proposed Update UAX #9, Unicode Bidirectional Algorithm
- Proposed Update UAX #9, Unicode Bidirectional Algorithm (snapshot) [Mark Davis, Ken Whistler, L2/23-092]
- Accumulated Feedback on PRI #460 (no new feedback)
F.2.2 PRI #461 Proposed Update UAX #14, Unicode Line Breaking Algorithm
Documents:
- PRI #461 Proposed Update UAX #14, Unicode Line Breaking Algorithm
- Proposed Update UAX #14, Unicode Line Breaking Algorithm (snapshot) [Robin Leroy, L2/23-099]
- Line breaking around quotation marks [Robin Leroy, L2/23-063]
- Line breaking at orthographic syllable boundaries (see F.5)
F.2.3 PRI #470 Proposed Update UAX #24, Unicode Script Property
Documents:
- PRI #470 Proposed Update UAX #24, Unicode Script Property
- Proposed Update UAX #24, Unicode Script Property (snapshot) [Ken Whistler, L2/23-044]
F.2.4 PRI #469 Proposed Update UAX #29, Unicode Text Segmentation
Documents:
- PRI #469 Proposed Update UAX #29, Unicode Text Segmentation
- Proposed Update UAX #29, Unicode Text Segmentation (snapshot) [Christopher Chapman, L2/23-045]
- Accumulated Feedback on PRI #469 (no new feedback)
- Proposal to Update Properties for Two Khmer Characters (revised) [Steven Loomis, L2/23-018]
- Conformance clauses in UAX #29 [Mark Davis, L2/23-111]
F.2.5 PRI #462 Proposed Update UAX #31, Unicode Identifiers and Syntax
Documents:
- PRI #462 Proposed Update UAX #31, Unicode Identifiers and Syntax
- Proposed Update UAX #31, Unicode Identifiers and Syntax (snapshot) [Mark Davis, Robin Leroy, L2/23-093]
- Accumulated Feedback on PRI #462 (no new feedback)
F.2.6 PRI #465 Proposed Update UAX #44, Unicode Character Database
Documents:
- PRI #465 Proposed Update UAX #44, Unicode Character Database
- Proposed Update UAX #44, Unicode Character Database (snapshot) [Ken Whistler, L2/23-096]
- Accumulated Feedback on PRI #465 (no new feedback)
- Add Simple_Case_Folding mappings for three existing characters [Markus Scherer, L2/23-062]
F.3 PRI #463 Proposed Update UTS #39, Unicode Security Mechanisms
Documents:
- PRI #463 Proposed Update UTS #39, Unicode Security Mechanisms
- Proposed Update UTS #39, Unicode Security Mechanisms (snapshot) [Mark Davis, Michel Suignard, L2/23-095]
- Accumulated Feedback on PRI #463
F.4 PRI #474 Draft UTS #55, Unicode Source Code Handling
Documents:
- PRI #474 Draft UTS #55, Unicode Source Code Handling
- Proposed Draft UTS #55, Unicode Source Code Handling (snapshot) [Robin Leroy, Mark Davis, L2/23-098]
- Accumulated Feedback on PRI #474
F.5 PRI #472 Line breaking at orthographic syllable boundaries
Documents:
- PRI #472 Line breaking at orthographic syllable boundaries
- Accumulated feedback on PRI #472
- Proposed changes for line breaking on orthographic syllables [Robin Leroy, L2/23-072]
F.6 Complex Script Support in Text Terminals
Schedule: Wednesday, 11:00 am
Documents:
- Proper Complex Script Support in Text Terminals [Renzhi Li, et al, L2/23-107]
G. Emoji
Schedule: Thursday morning
Discussion led by Emoji Subcommittee chair, Jennifer Daniel
G.1 Emoji Subcommittee Report for UTC #175 (2023Q2) [ESC/Jennifer Daniel, L2/23-081]
Topics:
G.2 ESC Priorities for Unicode Version 16.0 & Beyond [ESC/Jennifer Daniel, L2/23-091]
G.3 PRI #471 Proposed Update UTS #51, Unicode Emoji
Documents:
- PRI #471 Proposed Update UTS #51, Unicode Emoji
- Proposed Update UTS #51, Unicode Emoji (snapshot) [Mark Davis, Ned Holbrook, L2/23-097]
- Accumulated Feedback on PRI #471 (no new feedback)
H. Unicode Release Management
Schedule: Tuesday morning; Thursday later afternoon
H.1 Release Management Group Report to UTC #175 [RMG/Peter Constable, L2/23-108]
H.2 Unicode 15.1
H.2.1 PRI #473 Unicode 15.1 Alpha
Documents:
H.2.2 Unicode 15.1 Beta
I. Other business
I.1 Other feedback
Schedule: Thursday, later afternoon
Documents:
- Public review feedback (January 5 – April 5, 2023) [Rick McGowan, L2/23-078]