L2/25-225R2

UTC #185 Agenda

Monday, October 27 to Wednesday, October 29, 2025

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Last updated: October 27, 2025

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).

Meeting Timeline and Scheduled Activities

A tentative meeting timeline is provided below. The following individual topics are scheduled for discussion at specific times.

Agenda item / Topic Document Day and Time
F.6 Text Terminal Working Group L2/25-179 Monday, 12:00 pm
G. Emoji L2/25-230 Tuesday, 9:45 AM
E. CJK and Unihan L2/25-231 Monday, 3:15 pm
F.8 Hindi Akshar Composition Rules Wednesday, 9:35 am

Timeline

🖨️

The following is a tentative timeline for the meeting (expand to see daily details):

Monday, October 27, 2025
Admin:
A.1 Quorum
A.2 Agenda
A.3 Review of prior meeting minutes
A.4 Review of UTC action items 		10:30 am
Liaisons:
B.7 SEI
B.8 INFITT
B.9 LSA 		morning
D. Scripts
D.1 SEW report
D.2 PRI #520 PD UAX #60
D.3 PRI #532 PU UTR #56 		morning
F.6 Text Terminal Working Group report 12:00 pm
Lunch 12:30 pm to 1:30 pm
Liaisons:
B.10 ISO/IEC JTC 1/SC 22 		afternoon
C.1 Editorial Working Group report morning
C.2 Charts Working Group report morning
D. Scripts (cont’d) afternoon
Break around 3:00 pm
E. CJK and Unihan 3:15 pm
Liaisons:
B.2 IRG 		afternoon

Tuesday, October 28, 2025
Admin:
A.1 Quorum
A.5 Calendar review		 9:30 am
G. Emoji 9:45 am
F. Properties & algorithms
F.1 PAG report
F.2 PRI #509 PD UTS #58
F.3 PRI #510 PD UTR #59
F.4 PRI #523 PD UTS #61
F.5 PRI #533 PU UTR #25
F.7 Other documents 		morning
Break around 11:15 am
F. Properties & algorithms (cont’d) morning
Lunch 12:30 pm to 1:30 pm
Liaisons:
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.11 ISO TC 46
B.11.1 ISO 15924/RA
B.12 ECMA TC 39 		afternoon
D. Scripts (cont’d) afternoon
Break around 3:15 pm
D. Scripts (cont’) afternoon

Wednesday, October 29, 2025
Admin:
A.1 Quorum 		9:30 am
F.8 Hindi Akshar Composition Rules 9:35 am
Liaisons:
B.1 ISO/IEC JTC 1/SC 2		 morning
H.1 Release Management Group report morning
Lunch 12:30 pm to 1:30 pm
Liaisons:
B.13 Unicode Administration		 afternoon
[CJK, PAG or script topics, as required] afternoon
I. Other business
I.1 Other feedback
I.2 Roadmap maintenance
I.3 Pipeline maintenance 		afternoon
Admin:
A.6 Closing dates for PRIs
A.7 L2 representatives 		afternoon
INCITS/L2 meeting around 2:45 pm to 3:30 pm

A. Administrative Topics

Schedule: Monday, 10:30 am; Tuesday 9:30 am; Wednesday 9:30 am & afternoon

Details:

A.1 Consortium membership; meeting quorum and proxies

A.2 Agenda review

A.3 Approval of minutes of prior meeting [L2/25-181]

A.3.1 Decision by email after close of UTC #184: 184-C42

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: various times—see meeting timeline

Details:

B.1 ISO/IEC JTC 1/SC 2

Schedule: Wednesday morning

Details:

B.1.1 ISO/IEC FDIS 14651:2025


B.1.2 ISO/IEC 10646 7th edition CD3


B.1.3 Maintenance of UCS Repertoire via a Maintenance Agency

Documents:

  • Proposed draft Terms of Reference for ISO/IEC 10646/MA with bicameral representation [Robin Leroy, Joshua Tsai, L2/25-210 (= SC2/AG1/N15)]
  • Response to MA Position Statements, and Additional Comments on Proposed Draft ToR (N15) [Robin Leroy, Peter Constable L2/25-262 (= SC2/AG1/N20)]

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 [Anushah Hossain, Deborah Anderson, L2/25-235]

B.8 INFITT

B.9 LSA

B.10 ISO/IEC JTC 1/SC 22

  • Unicode liaison report to ISO/IEC JTC 1/SC 22 #44 [Robin Leroy, L2/25-212]

B.11 ISO TC 46

B.11.1 ISO 15924/RA

B.12 ECMA TC 39

B.13 Unicode Administration, Infrastructure Group

C. Editorial & Charts Working Groups

Schedule: Monday afternoon

Details:

C.1 Editorial Working Group

C.1.1 Editorial Working Group Report and Recommendations for UTC #185 Meeting [EDC, L2/25-229]

Topics:

  • Core spec revisions for Unicode 17.0
  • Unicode 18.0
  • FAQ work
  • Editorial WG process
  • UTR topics
  • Comments on Public Review Issues (July 3, 2025 – October 6, 2025) routed to Editorial Working Group [Michelle Perham, L2/25-220]

C.2 Charts Working Group

C.2.1 Charts Working Group Report for UTC #185 [CHARTS, L2/25-233]

Topics:

  • Infrastructure improvements
  • Unicode 17.0 recap
  • Unicode 18.0 plan

D. Scripts

Schedule: Monday morning; Tuesday afternoon

Details:

D.1 Recommendations to UTC #185 (October 2025) on Script Proposals [Jan Kučera, et al, L2/25-232]

Discussion led by Script Encoding Working Group chair, Jan Kučera, and vice-chairs, Debbie Anderson and Roozbeh Pournader


D.1.1 New Scripts

Details:
  • Proposal to Encode Proto-Cuneiform in Unicode [Steve Tinney, et al, L2/25-211]
  • Small Seal
    • Proposal to encode the Small Seal Script in UCS, revised [Michel Suignard, et al, WG2/N5344R]
    • Feedback to Small Seal Code charts N5341, Appendix2 (XLSX) [TCA and China, WG2/N5346]
  • Proposal to encode Sirmauri in Unicode [Anshuman Pandey, Biswajit Mandal, L2/25-224]
  • Mwangwego
    • Final Proposal for Encoding the Mwangwego Script in the UCS [Oreen Yousuf, Daniel Yacob, L2/25-135R]
    • Feedback on Mwangwego encoding model [Ned Holbrook, L2/25-260]
    • Revised Proposal for Encoding the Mwangwego Script in the UCS [Oreen Yousuf, Daniel Yacob, L2/25-039]
  • Proposal to Encode Tani script in Unicode [Biswajit Mandal, L2/25-248]
  • Updated Proposal to Encode the Lampung Script [Febri Muhammad Nasrullah, L2/25-247]

D.1.2 New Characters

Details:
  • Proposal to encode Telugu Sign Spacing Candrabindu [Srinidhi A, Sridatta A, L2/25-246]
  • Proposal to encode Candrabindu and Avagraha in Dogra [Srinidhi A, Sridatta A, L2/25-245]
  • Proposal to encode Combining Anusvara above in Tulu-Tigalari [Srinidhi A, Sridatta A, L2/25-244]
  • Unicode request for Romance dialectology symbols [Nicolas Datua, Kirk Miller, L2/25-251]
  • Adding “Paseq not Legarmeh” to Hebrew [Ben Denckla, L2/25-243]
  • Adding Hebrew stress helper accents [Ben Denckla, L2/25-242]
  • Proposal to encode 12 cossic characters L-2518 [Uwe Mayer, et al, WG2/N5333R]
  • Unicode request for extended IPA tone diacritics [Kirk Miller, Valentin Vydrin, Maksim Fedotov, L2/25-250]
  • Proposal to Encode Characters for the Babylonian Vocalization System of Hebrew [Aleksandr Andreev, Christa Müller-Kessler, L2/25-268]

D.1.3 New Symbols

Details:
  • Proposal to encode mathematical symbols L-2515 [Uwe Mayer, et al, WG2/N5331]
  • Obscure accidentals and figured-bass symbols [Gavin Jared Bala, Kirk Miller, L2/25-240]

D.1.4 Changes to Characters

Details:
  • Heavy sheva name
  • Glyph change request for U+238C UNDO SYMBOL [Karl Pentzlin, L2/25-239]
  • Follow-up revised designs of the alchemical symbols block [Kirk Miller, L2/25-238]

D.1.5 Other recommendations for UTC action

Details:
  • Proposed Update UTR #56, Unicode Cuneiform Sign Lists—see D.3
  • Proposal on adding kTangutNumeric property to UAX #60 [Eiso Chan, L2/25-055]
  • Errors in L2/14-056 about QAMATS QATAN [Ben Denckla, L2/25-237]
  • Proposal to Replace the Chakma Code Chart Reference Font [Bivuti Chakma, L2/25-236]
  • Watermark Symbols for AI Training Consent and Text Provenance [Stephen Casper, L2/25-241]

D.1.6 No action required

D.1.7 Proposals in-progress

Details:
  • Proposal to encode the Leke script into the Unicode Standard [Frank van de Kasteelen, L2/25-249]
  • Preliminary Proposal on the Khitan Large Script [Sun Bojun, et al, WG2/N5319]
  • Proposal to encode Rma script to UCS [Eiso Chan, et al, L2/25-129]
  • Proposal to encode the Minim Dag Noore script in the UCS [Oreen Yousuf, L2/25-136]
  • Review of Preliminary Proposal on the Khitan Large Script (WG2 N5319) [Andrew West, Viacheslav Zaytsev, L2/25-166]

D.1.8 Public feedback

Details:
  • Comments on Public Review Issues (July 3, 2025 – October 6, 2025) routed to Script Encoding Working Group [Michelle Perham, L2/25-220]

D.2 PRI #520 Proposed Draft UAX #60, Data for Non Han Ideographic Scripts

Documents:

D.3 PRI #532 Proposed Update UTR #56, Unicode Cuneiform Sign Lists

Documents:

E. CJK and Unihan

Schedule: Monday, 3:15 pm

Details:

Discussion led by CJK and Unihan Group chair, Ken Lunde

E.1 CJK & Unihan Group Recommendations for UTC #185 Meeting [Ken Lunde, L2/25-231]

Details:
  • Comments on Public Review Issues (July 3, 2025 – October 6, 2025) routed to CJK & Unihan Working Group [Michelle Perham, L2/25-220]
  • kMandarin readings
  • T-source glyph for U+2AA90
  • Errors in UAX #45 data
  • Additional kRSUnicode values
  • Radical / RS values for U+995F
  • Annotations for U+2F81D, U+2F82D
  • z-variants: U+5BC9, U+96BA
  • kTotalStrokes for U+4724
  • KP-source mappings in UTN #50
  • kVietnamese for U+8636
  • z-variants: U+8EB1, U+8EB2
  • z-variants: U+514C, U+5151
  • kRSUnicode values for U+26253, U+2D04C, U+2D051, U+2D059
  • UAX #38 Unicode Han Database (Unihan)

    Documents:

    • Katakana kun'yomi in Unihan Database kJapanese [HarJIT, L2/25-213]
    • Proposal to remove the provisional kIRGDaeJaweon and kIRGKangXi properties [Ken Lunde, L2/25-214]
    • On the Current Status of kCangjie Property [Yang Jihai, et al, L2/25-216]
    • Unihan numeric properties values additions for CJKUI Ext. J characters [Eiso Chan, L2/25-217]
    • Request to Move KP1-8852 to U+296B1 [CheonHyeong Sim, L2/25-222]
  • UAX #45 U-Source Ideographs
    • Proposal to add three ideographs for Japanese place names to UAX #45 [Tsukada Masaki, L2/25-221]
  • IRG Documents
    • US/Unicode Activity Report for IRG Meeting #65 [Ken Lunde, L2/25-215]
    • IRG Meeting #65 Recommendations and Action Items [Ken Lunde, IRG/N2826]
    • Feedback on the Unihan property values of U+980B [Eiso Chan, Lee Collins, IRG/N2834]
    • Feedback to IRG N2834 [TCA, IRG/2856]
    • Feedback on IRG N2884, IRG N2838, and IRG N2730 [Tao Yang, Wang Xieyang, IRG/N2889R2]
    • G-Source horizontal extensions for 597 characters [Tao Yang, et al, IRG/N2877R3]
    • T-Source horizontal extensions for 163 characters [TCA, IRG/N2879R2]
    • Request for Horizontal Extension in the H column of the ISO/IEC 10646 Standard [Hong Kong SAR, IRG/N2849R]
    • A discussion of the glyph of K6-110B/U+25A2B/U+2B058 and the glyph of GZJW-01380/U+2B058 [KIM, Kyongsok; SHIN, Sanghyun, IRG/N2873]
    • G7-source references updates [Tao Yang, Eiso Chan, IRG/N2808R2]
    • G-Source references updates for 1,538 characters [Tao Yang, Eiso Chan, IRG/N2864R]
    • Feedback on IRG N2840 [Tao Yang, IRG/N2874R]
    • Feedback on IRG N2851/N2853/N2855/N2869/N2730/N2871 [Tao Yang, IRG/N2876R2]
    • Feedback on IRG N2843 [Tao Yang, IRG/N2844R]
    • Feedback on IRG N2840 [Tao Yang, IRG/N2874R]
    • Feedback on IRG N2845 [Tao Yang, IRG/N2875]
    • Feedback on IRG N2851/N2853/N2855/N2869/N2730/N2871 [Tao Yang, IRG/N2876R2]
    • Feedback on IRG N2884, IRG N2838, and IRG N2730 [Tao Yang, IRG/N2889R2]
    • Response on IRG N2860 [TCA, IRG/N2861]
    • T-Source and Glyph Updates [TCA, IRG/N2880]
    • Glyph issues of U+8FBC [Ng Koon Hang, a.k.a. Shieru Asakoto, IRG/N2842]
    • Response on IRG N2860 [TCA, IRG/N2861]
    • T-Source and Glyph Updates [TCA, IRG/N2880]
    • KR Response to IRG N2858, Proposal to modify the references of 11 KC-source characters, Wenjie Dong [KIM, Kyongsok; SHIN, Sanghyun, IRG/N2872]
    • A discussion of the glyph of K6-110B/U+25A2B/U+2B058 and the glyph of GZJW-01380/U+2B058 [KIM, Kyongsok; SHIN, Sanghyun, IRG/N2873]
  • Other topics:
    • IRG document migration status
    • Updated provisional Unihan database properties

F. Properties and Algorithms

Schedule: all items except F.6 and F.8: Tuesday morning

Details:

F.1 PAG: UTC #185 properties feedback & recommendations [Markus Scherer, et al, L2/25-228]

Details:
  • Comments on Public Review Issues (July 3, 2025 – October 6, 2025) routed to Properties and Algorithms Group [Michelle Perham, L2/25-220]
  • Criteria for character deprecation
  • Uppercase mapping of SHARP S (00DF)

    Documents:

    • Proposal to Update the Uppercase Mapping of LATIN SMALL LETTER SHARP S (U+00DF) to LATIN CAPITAL LETTER SHARP S (U+1E9E) [Luca Rodenhäuser, L2/25-223]
  • Properties for character proposals
    Documents:
    • Proposal for the Inclusion of the UAE Dirham Currency Sign in ISO/IEC 10646 in the Currency Symbol Block (WG2 N5322) [Central Bank of UAE, L2/25-159]
    • Proposal to encode 17 geometric shapes L-2514 [Uwe Mayer, et al, WG2/N5330]
    • Proposal on adding kTangutNumeric property to UAX #60 [Eiso Chan, L2/25-055]
  • Line breaking
    • Tailoring: alphanumeric HY ÷ numeric
    • No break: numbers HY letters
    • Feedback: "multiple chars GL→WJ"
    • LB15b description
    • Behaviour for future emoji
  • Identifier_Type classification of Balinese

    Documents:

    • Proposal for Reclassifying the Balinese Script [PANDI, L2/25-218]
    • PAG assessment: Proposal for Reclassifying the Balinese Script [PAG / Markus Scherer, L2/25-219]
  • Confusables
    • UTS #39 reference to UTR #36 "gatekeeper-confusable strings"
    • Devanagari UE, UEE
    • U+302C IDEOGRAPHIC DEPARTING TONE MARK
    • U+2800 BRAILLE PATTERN BLANK
    • U+00A1 INVERTED EXCLAMATION MARK
    • Confusables data posted to old online form
    • Indic abbreviation marks
    • Confusables data to remove
    • Wrong data for dž digraphs
  • Readability of Unicode Set spec: PRI 523 feedback—see F.4
  • UAX #42 version 17.0: missing details in modifications section
  • PRI 509 feedback—see F.2

F.2 PRI #509 Proposed Draft UTS #58, Unicode Link Detection and Serialization

F.3 PRI #510 Proposed Draft UTR #59, East Asian Spacing

F.4 PRI #523 Proposed Draft UTS #61, Unicode Set Notation

Documents:

F.5 PRI #533 Proposed Update UTR #25, Unicode Support for Mathematics

Documents:

F.6 Text Terminal Working Group

Schedule: Monday, 12:00 pm

  • Text Terminal Working Group Report for UTC #185 [TTWG / Fraser Gordon, L2/25-263]

F.7 Other documents

  • Proposed updates to Unicode line breaking [Kent Karlsson, L2-25-261]

F.8 Hindi Akshar Composition Rules [MeitY]

Schedule: Wednesday, 9:40 AM

G. Emoji

Schedule: Tuesday 9:45 am

Details:

Discussion led by Emoji Working Group chair, Jennifer Daniel

G.1 Emoji Standard and Research Working Group Report for UTC #185 (2025Q4) [ESC/Jennifer Daniel, L2/25-230]

Topics:

  • Emoji recommendations for Unicode 18.0

    Documents:

    • Proposal for RIGHTWARDS THUMB SIGN and LEFTWARDS THUMB SIGN [Daniel Nathaniel Olobayo, L2/25-252]
    • Proposal for Emoji: PICKLE [Elizabeth Scopel, L2/25-253]
    • Proposal for Emoji Monarch Butterfly [Amy Whitaker, L2/25-254]
    • Proposal for Emoji: Eraser [Karin Nakagawa, L2/25-255]
    • Proposal for Emoji: Lighthouse [Thomas Cappelli, Pierre Avinain, L2/25-256]
    • Meteor Emoji Proposal for Unicode 18.0 [ESR / Jennifer Daniel, L2/25-257]
    • Net With Handle Emoji Proposal [Malik Adan, Theo Schear, Jennifer 8. Lee, L2/25-258]
    • Proposal for Emoji “Squinting Face” [Jon Magram, L2/25-259]
  • Interoperability audit
  • Intake for Unicode 18.0

H. Unicode Release Management

Schedule: Wednesday morning

Details:

H.1 Release Management Group Report to UTC #185 [Peter Constable, RMG L2/25-234]

Topics:

  • Unicode 17.0 release
  • Process development
  • Unicode 18.0 scope and timeline
  • Recommendation of new repertoire for 18.0

I. Other business

Schedule: Wednesday afternoon

Details:

I.1 Other feedback

Documents:

  • Comments on Public Review Issues (July 3, 2025 – October 6, 2025) [Michelle Perham, L2/25-220]

I.2 Roadmap maintenance

I.2 Pipeline maintenance

Meeting Adjournment