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.
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 Daylight time (UTC-07:00).
Schedule
See the meeting logistics page for a schedule summary. The following individual topics are scheduled for discussion at specific times.
| Agenda item / Topic | Document | Day and Time |
|---|---|---|
| G. Emoji | -- | Tuesday, 12:00 pm |
| E. CJK & Unihan | -- | Tuesday, 2:45 pm – 5:30 pm |
| E.1.1 Auto Spacing in CJK text | L2/24-057 | Tuesday, 4:00 pm |
| F.8 Text Terminal Working Group report | -- | Wednesday, 1:00 pm |
A. Administrative Topics
Schedule: Tuesday, 10:30 am & 2:00 pm; Wednesday 10:30 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 [L2/24-006]
A.4 Action item review
Documents:
A.5 Calendar review [Calendar]
A.6 PRI closing dates [Public Review Issues]
A.7 INCITS/CS&I representatives
B. Liaison Reports & Technical Topics
Schedule: see meeting timeline
B.1 ISO/IEC JTC 1/SC 2
B.1.1 CDAM2.4 to ISO/IEC 10646 6th edition (SC2/4904)
Documents:
- Additional draft repertoire for 10646:2020 Amendment 2 (WG2/5246)
- ISO/IEC 10646 repertoire proposal CDAM2.4
- US National Body Comments on CDAM2.4 (INCITS/L2-2024-0005)
B.1.2 Summary of CD Consultation, ISO/IEC CD 14651 (Ed.7) (SC2/N4905)
B.1.3 DTR 2375
Documents:
- Disposition of Comments on CD TR2375 (SC2/N4892)
- Additional Editorial Changes for DTR 2375 (SC2/N4893)
- Text for DTR 2375 (SC2/N4894)
B.1.4 Maintainance of UCS Repertoire via a Maintenance Agency
Documents:
- U.S. NB Contribution -- Proposal to Maintain UCS Repertoire via a Maintenance Agency (SC2/N4888) — see Proposal to maintain UCS repertoire via a maintenance agency [Constable, L2/23-265]
- JNB Response to SC 2 N 4888, “U.S. NB Contribution -- Proposal to Maintain UCS Repertoire via a Maintenance Agency” (SC2/N4906)
B.2 IRG (see also IRG topics under E.1)
B.3 ICU
B.3.1 ICU-TC
B.3.2 ICU4X-TC
B.4 CLDR
B.5 ISO TC 37/SC 2
B.6 IETF / ICANN
B.7 SEI Liaison Report [Anderson, L2/24-069]
B.8 INFITT
B.9 LSA
B.10 ISO/IEC JTC 1/SC 22
B.11 ISO TC 46
B.11.1 ISO TC46 liaison report
B.11.2 2024 Report of the ISO 15924 Registration Authority [Markus Scherer, L2/24-097]
B.12 ECMA TC 39
B.13 Unicode Administration, Infrastructure Group
C. Editorial Working Group
Schedule: Wednesday morning
C.1 Editorial Working Group Report and Recommendations for UTC #179 Meeting [EDC, L2/24-065]
- Unicode 16.0
- Core specification future development
- Editorial Committee processes
- Comments on Public Review Issues (January 8, 2024 – April 3, 2024) routed to Editorial Working Group [Rick McGowan, L2/24-063]
- Feedback from PRI #497 Unicode 16.0 Alpha Review
- Status of old action items — see also A.4
C.2 PRI #499 Proposed Update UAX #41, Common References for Unicode Standard Annexes
Documents:
- PRI #499 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, L2/24-116]
D. Scripts
Schedule: Thursday morning, afternoon
D.1 Recommendations to UTC #179 April 2024 on Script Proposals [Anderson, et al, L2/24-068]
Discussion led by Script Ad-Hoc chair, Debbie Anderson, and vice-chair, Roozbeh Pournader
D.1.1 Proposals requiring UTC action
Topics requiring UTC action:
- Proposal for encoding the Beria Erfe (Zaghawa) script in the SMP [Siddick Adam Issa et al, L2/24-004]
- Revised Proposal to encode three Armenian superscript characters [Hossep Dolatian, L2/24-107]
- Annotation for Cyrillic Tje [Nikita Manulov, L2/24-104]
- Proposal to encode ARABIC LETTER NOON WITH RING ABOVE [Lorna Priest Evans, L2/24-046]
- Proposal to add Arabic letter for Swahili [Denis Moyogo Jacquerye, L2/24-055]
- Proposal to encode twenty-five more Arabic honorifics [Roozbeh Pournader, et al, L2/24-077]
- On cuneiform UN and KALAM [Robin Leroy, L2/24-074]
- Draft UTR #56 Unicode Cuneiform Sign Lists (see D.3)
- Review of Proposal to encode 114 Tangut components [Andrew West, L2/24-048]
- Kannada glyph changes
- Request to encode DOT ABOVE characters for the ORIYA/ODIA script [Lorna Priest Evans, L2/24-106]
- Tulu (modern)
- Unicode request for affricate ligatures [Kirk Miller, L2/24-051]
- Annotation for U+A71D [Kirk Miller, L2/24-087]
- Note on U+1DF8 combining dot above left [Kirk Miller, L2/24-091]
- Unicode request for double caron [Kirk Miller, L2/24-105]
- Unicode request for IPA diacritics above and one below [Kirk Miller, L2/24-080]
- Unicode request for letters with palatal hook [Kirk Miller, L2/24-050]
- Unicode request for modifier pre-Kiel click letters [Kirk Miller, L2/24-052]
- Unicode request for modifier capital S [Kirk Miller, L2/24-081]
- Supplemental block for musical symbols [Gavin Jared Bala, Kirk Miller, L2/24-090]
- Comments on Public Review Issues (January 8, 2024 – April 3, 2024) routed to CJK and Unihan Group [Rick McGowan, L2/24-063]
- On the name of the newly proposed arrows for Egyptology [Eduardo Marín Silva, L2/24-088]
D.1.2 Documents not requiring UTC action
Other script documents
- Additional lost signs for Ancient Egyptian hieroglyphic text [Mark-Jan Nederhof, L2/24-093]
- Rotations for Ancient Egyptian - a critical analysis [Mark-Jan Nederhof, L2/24-045]
- Stale action items (see A.4)
- Proposal to add Sichuan Yi (ii) indexing to Unicode [Dennis Walters, L2/24-096] (see also E.1)
- Issues on Zanabazar Cluster-final Characters [CheonHyeong Sim, L2/24-094]
D.1.3 Other documents (FYI, in-process)
Documents
- Notes on the control characters for Ancient Egyptian in Unicode 15 [Mark-Jan Nederhof, L2/24-079]
- Revised proposal to encode Book Pahlavi [Anshuman Pandey, L2/24-040]
- Unicode support for historical and para-IPA letters [IPA, L2/24-049]
- Request to update Code Chart and UCD for Tai Le script [Eiso Chan, L2/24-098]
- Proposal to Encode the Box-Headed script [Biswajit Mandal, L2/24-100]
- Revised Proposal to Encode the Kurukh Banna [Biswajit Mandal, L2/24-101]
- Proposal to Encode the Kui Gaari [Biswajit Mandal, L2/24-102]
- Clarification of use and forms of certain combining characters [Tarrin Wills, L2/24-103]
- Proposal to include Shughni/Roshani Alphabet [Habib Zaroori, L2/24-108]
- Proposal for Encoding the Sheek Bakrii Saphaloo Script [Oreen Yousuf, Daniel Yacob, L2/24-109]
- Preliminary proposal to encode Arabic Crown Letters [Manish Goregaokar, et al, L2/24-110]
- Annotation request for Vietnamese apex [Minh Nguyen, Kirk Miller, L2/24-111]
D.2 PRI #487: Proposed Update UAX #53, Unicode Arabic Mark Rendering
Documents:
- PRI #487: Proposed Update UAX #53, Unicode Arabic Mark Rendering
- Proposed Update UAX #53, Unicode Arabic Mark Rendering (snapshot) [Roozbeh Pournader, et al, L2/24-118]
D.3 PRI #485: Draft UTR #56, Unicode Cuneiform Sign Lists
Documents:
- PRI #485: Draft UTR #56, Unicode Cuneiform Sign Lists
- Draft UTR #56, Unicode Cuneiform Sign Lists (snapshot) [Robin Leroy, L2/24-120]
D.4 PRI #500: Proposed Draft UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet)
Documents:
- PRI #500: Proposed Draft UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet)
- Proposed Draft UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet) (snapshot) [Michel Suignard, L2/24-121]
- Accumulated Feedback on PRI #500
E. CJK and Unihan
Schedule: Tuesday, 2:45 pm – 5:30 pm
Discussion led by CJK and Unihan Group chair, Ken Lunde
E.1 CJK & Unihan Group Recommendations for UTC #179 Meeting [Ken Lunde, L2/24-067]
Topics:
- Public review feedback: PRI #483 Proposed Update UAX #38 (see E.2)
- Feedback from PRI #497 Unicode 16.0 Alpha Review
- Comments on Public Review Issues (January 8, 2024 – April 3, 2024) routed to CJK and Unihan Group [Rick McGowan, L2/24-063]
- UAX #38 Unicode Han Database (Unihan) (see also E.2)
Documents:
- Request to confirm one unification for U+2C21C + Feedback (IRG N2636) [Eiso Chan, L2/24-084]
- Request to change the radical for U+2ECAB to 130 from 74 (IRG N2674) [Eiso Chan, L2/24-085]
- Update 69 G-Source reference values (IRG N2679) [China NB, L2/24-086]
- Proposal to add kZhuang to Unihan (IRG N2677) [John Knightly, L2/24-089]
- UAX #45, U-source Ideographs
Documents:
- Proposal to add 10 characters used in Putian-Xianyou Puxianxi Opera to UAX #45 [Kushim Jiang, L2/24-041]
- Proposal to add 34 characters related to fish and fish product in Chinese to UAX #45 [Eiso Chan, L2/24-047]
- Proposal to add three characters used for Cantonese education to UAX #45 [Eiso Chan, Liang Xin, L2/24-056]
- Proposal to add one character used for Cantonese particle to UAX #45 [Ying-yu Ng, L2/24-075]
- Proposal to add three characters to UAX #45 [Ren Yi, L2/24-076]
- Proposal to add 28 ideographs used in All Men Are Brothers and Classic of Mountains and Rivers to UAX#45 [Xieyang Wang, L2/24-092]
- Proposal to add one character used for Chinese ancient books arrangement to UAX #45 [Zhao Jiping, L2/24-095]
- Proposal to add 10 ideographs used in the Secret History of the Mongols [Jiaxu Yehenara, CheonHyeong Sim, L2/24-099]
- Other topics / documents
Documents / topics:
- Correcting the proposed name of new character U+31E4 in Unicode 16.0 [Night Koo, L2/24-044]
- US/Unicode Activity Report for IRG #62 Meeting (IRG N2667R) [Ken Lunde, L2/24-053]
- IRG Meeting #62 Recommendations and Action Items (IRG N2670) [IRG, L2/24-082]
- Editorial Report on Miscellaneous Issues (IRG N2671) [IRG / CJK Editorial Group, L2/24-083]
- Proposal to change the East_Asian_Width property of the Yijing symbols [Jules Bertholet, L2/24-059] (see also F.1)
- Proposal to change the East_Asian_Width property of East Asian numeric characters [Jules Bertholet, L2/24-072]
- Proposal to encode three stable extended Suzhou Numeral-like letters for Cantonese Music (revised) [Eiso Chan, L2/24-071]
- Preliminary Proposal to Add Standardised Variation Sequences for CJK Strokes [Night Koo, L2/24-078]
- Proposal to add Sichuan Yi (ii) indexing to Unicode [Dennis Walters, L2/24-096] (see also D.1.2)
- Stale UTC Action Items (see also A.4)
- IRG Working Set 2024 submission status
- Updated provisional Unihan properties
E.1.1 Auto Spacing in CJK text (see also F.1.1)
Schedule: Tuesday, 4:00 pm
Document:
E.2 PRI #483 Proposed Update UAX #38, Unicode Han Database (Unihan)
Documents:
- PRI #483 Proposed Update UAX #38, Unicode Han Database (Unihan)
- Proposed Update UAX #38, Unicode Han Database (snapshot) [Ken Lunde, Richard Cook, L2/24-115]
- Accumulated Feedback on PRI #483
E.3 PRI #484 Proposed Update UAX #50, Unicode Vertical Text Layout
Documents:
- PRI #484 Proposed Update UAX #50, Unicode Vertical Text Layout
- Proposed Update UAX #50, Unicode Vertical Text Layout (snapshot) [Ken Lunde, Koji Ishii, L2/24-027]
F. Properties and Algorithms
Schedule: Wednesday morning, afternoon
F.1 PAG: UTC #179 properties feedback & recommendations [Markus Scherer, et al, L2/24-064]
Topics / documents:
-
Feedback from PRI #497 Unicode 16.0 Alpha Review
- Bidi class of Nabla variants
- Ideographic property of U+18CFF
- Kirat Rai: InSC and InPC data
- UAX #9 rules Xn vs. adjusting levels based on implicit types
- Toward Clarifying the Rules of the Character-Name Namespace [Erik Carvalhal Miller, L2/24-073]
- Are abbreviation marks Terminal_Punctuation?
-
ScriptExtensions
- Defective decision on ScriptExtensions
- Should scriptExtensions.txt be grouped by value?
- Missing @missing for ArabicShaping.txt
- Proposal to change the East_Asian_Width property of the Yijing symbols [Jules Bertholet, L2/24-059] (see also E.1)
- [PAG review] Proposal to encode two small form CJK characters for Chinese [Andrew West, Eiso Chan, L2/23-284]
- Schematic name of U+1878
- Changing duplicate property (value) aliases (UAX #44 — see also F.3.4)
- Public review feedback: PRI #486 Unicode Character Database in XML (UCDXML) (see also F.4)
-
PAG review of script proposals
- Final Proposal to encode the Tai Yo Script [Viet Khoi Nguyen, et al, L2/22-289R]
- Proposal to encode Tolong Siki [Anshuman Pandey, L2/23-024]
- Unicode request for letters with palatal hook [Kirk Miller, L2/24-050] (see also D.1.1)
-
UAX #14 — line breaking
- Ancient errors
- Ancient feedback on Hebrew line breaking
- Line breaking of U+2019 et al in zh-Hans contexts
- Line breaking of combining left half marks and continous lining marks
- Line_Break for three vertical presentation forms
- Removal of ancient labels from descriptions of line breaking classes
- Migrate hyphen tailoring from ICU/CLDR to UAX #14
- unexpected line break within abc.123 [Stanisław Hodur, L2/24-042]
-
UAX #29 — segmentation
- InCB derivation
- Exclusion of CCC=0 from InCB=Extend
- Required conjunct forms in extended grapheme clusters [Norbert Lindenberg, L2/24-058R]
- Cross-reference from GB999 to Table 1c
- Colons and word break MidLetter
- Sentence_Break miscategorizations
- Proposal of the UNICODE AUTO SPACING [Koji Ishii, Yasuo Kida, L2/24-057] (see also E.1)
-
UTS #46 — IDNA
- Error report
- Excluded Han characters
- VerifyDnsLength and empty root label
-
UTS #15 — Collation (see also F.5)
- Size of Tangut_Supplement block (DUCET vs. UCD)
- Sort order of Bopomofo characters
- Virama variants: primary vs. tertiary differences
- Order of groups below letters (DUCET vs. CLDR)
-
Security (see also F.6)
- UTS #39: Strange Identifier_Type combinations
- UTS #39: short names for Identifier_Status, Identifier_Type
- Status of UTR #36
- Comments on Public Review Issues (January 5 – April 5, 2023) routed to Properties and Algorithms Group [Rick McGowan, L2/23-078]
- Comments on Public Review Issues (January 8, 2024 – April 3, 2024) routed to Properties and Algorithms Group [Rick McGowan, L2/24-063]
- Proposed updates for UAX #9, UTS #46
F.1.1 Auto Spacing in CJK text — see E.1.1
F.2 Other documents
F.2.1 Word boundaries and line breaks [Norbert Lindenberg, L2/24-043]
F.2.2 Linkification of URLs [Mark Davis, L2/24-122]
F.3 Proposed updates to Unicode Standard Annexes
Topics:
F.3.1 PRI #490: Proposed Update UAX #14, Unicode Line Breaking Algorithm
Documents:
- PRI #490: Proposed Update UAX #14, Unicode Line Breaking Algorithm
- Proposed Update UAX #14, Unicode Line Breaking Algorithm (snapshot) [Robin Leroy, L2/24-113]
F.3.2 PRI #494: Proposed Update UAX #29, Unicode Text Segmentation
Documents:
- PRI #94: Proposed Update UAX #29, Unicode Text Segmentation
- Proposed Update UAX #29, Unicode Text Segmentation (snapshot) [Josh Hadley, L2/24-036]
- Accumulated Feedback on PRI #494
F.3.3 PRI #491: Proposed Update UAX #31, Unicode Identifiers and Syntax
Documents:
- PRI #491: Proposed Update UAX #31, Unicode Identifiers and Syntax
- Proposed Update UAX #31, Unicode Identifiers Syntax (snapshot) [Mark Davis, Robin Leroy, L2/24-114]
F.3.4 PRI #489: Proposed Update UAX #44, Unicode Character Database
Documents:
- PRI #89: Proposed Update UAX #44, Unicode Character Database
- Proposed Update UAX #44, Unicode Character Database (snapshot) [Ken Whistler, L2/24-117]
- Accumulated Feedback on PRI #489
F.4 PRI #486: Stabilization of UAX #42, Unicode Character Database in XML (UCDXML)
Documents:
F.5 PRI #488: Proposed Update UTS #10, Unicode Collation Algorithm
Documents:
- PRI #488: Proposed Update UTS #10, Unicode Collation Algorithm
- Proposed Update UTS #10, Unicode Collation Algorithm (snapshot) [Ken Whistler, Markus Scherer, L2/24-030]
F.6 PRI #492: Proposed Update UTS #39, Unicode Security Mechanisms
Documents:
- PRI #492: Proposed Update UTS #39, Unicode Security Mechanisms
- Proposed Update UTS #39, Unicode Security Mechanisms (snapshot) [Mark Davis, Michel Suignard, L2/24-034]
F.7 Text Terminal Working Group report [Fraser Gordon]
Schedule: Wednesday, 1:00 pm
G. Emoji
Schedule: Tuesday, 12:00 pm
Discussion led by Emoji Subcommittee chair, Jennifer Daniel
G.1 Emoji Subcommittee Report for UTC #179 (2024Q2) [ESC/Jennifer Daniel, L2/24-066]
Topics:
- PRIs for Emoji 16.0 (See also G.2, G.3)
- Feedback from PRI #497 Unicode 16.0 Alpha Review
- Emoji Proposal Intake
- Emoji Ordering
G.2 PRI #496: Proposed Update UTS #51, Unicode Emoji
Documents:
- PRI #496: Proposed Update UTS #51, Unicode Emoji
- Proposed Update UTS #51, Unicode Emoji (snapshot) [Mark Davis, Ned Holbrook, L2/24-119]
- Accumulated Feedback on PRI #496
G.3 PRI #498: Unicode Emoji 16.0 Alpha Repertoire
Documents:
- PRI #498: Unicode Emoji 16.0 Alpha Repertoire
- Unicode Emoji 16.0 Alpha Repertoire (background) [Ned Holbrook, L2/24-112]
- Accumulated Feedback on PRI #498
H. Unicode Release Management
Schedule: Wednesday morning, Thursday afternoon
H.1 Release Management Group Report to UTC #179 [RMG/Peter Constable, L2/24-070]
H.2 Unicode 16.0 Beta
I. Other business
I.1 Other feedback
Schedule: Thursday, later afternoon
Documents:
- Comments on Public Review Issues (January 8, 2024 – April 3, 2024) [Rick McGowan, L2/24-063]
I.2 Tracking issues in the Unicode Standard [Norbert Lindenberg, L2/24-123]
Schedule: Thursday morning