L2/25-180R2

UTC #184 Agenda

Tuesday, July 22 to Thursday, July 24, 2025

Meeting Logistics
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Last updated: July 23, 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
G. Emoji L2/25-185 Wednesday, 9:50 am
F.13 Text Terminal Working Group L2/25-179 Wednesday, 10:30 am
E. CJK and Unihan L2/25-186 Wednesday, 3:30 pm
F.3 East Asian Spacing Wednesday, 5:00 pm
B.13 Unicode Admin/Infra liaison Thursday, 9:40 am

Timeline

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

Tuesday, July 22, 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
H.1 Release Management Group report morning
C.1 Editorial Working Group report morning
C.2 Charts Working Group report morning
Liaisons:
B.1 ISO/IEC JTC 1/SC 2
morning
Lunch 12:30 pm to 1:30 pm
Liaisons:
B.5 ISO TC 37/SC 2
B.8 INFITT
B.9 LSA
B.11 ISO TC 46
afternoon
D. Scripts afternoon

Wednesday, July 23, 2025
Admin:
A.1 Quorum
A.5 Calendar review
9:30 am
G. Emoji 9:50 am
F.13 Text Terminal Working Group 10:30 am
Liaisons:
B.3.1 ICU-TC
B.3.2 ICU4X-TC
B.6 IETF / ICANN
B.10 ISO/IEC JTC 1/SC 22
B.12 ECMA TC 39
morning
Break around 11:00 am
F. Properties & algorithms
F.1 PAG report
F.2 PRI #509 Link detection/serialization
F.4 PRI #511 PU UTS #10 (UCA)
F.5 PRI #516 PU UAX #44 (UCD)
F.6 PRI #523 PD UTS #61 Unicode Set Notation
F.7 PRI #525 PU UAX #14 (Line Breaking)
F.8 PRI #527 PU UAX #31 (Identifiers)
F.9 PRI #528 PU UAX #42 (UCD XML)
F.10 PRI #529 PU UTS #39 (Security)
F.11 PRI #530 PU UTS #46 (IDNA)
F.12 PRI #531 PU UAX #29 (Segmentation)
morning
Lunch 12:30 pm to 1:30 pm
F. Properties (cont’d) afternoon
Liaisons:
B.4 CLDR
afternoon
Break around 3:15 pm
E. CJK & Unihan 3:30 pm
Liaisons:
B.2 IRG
afternoon
F.3 East Asian Spacing 5:00 pm

Thursday, July 24, 2025
Admin:
A.1 Quorum
9:30 am
Liaisons:
B.13 Unicode Administration, Infrastructure Team
B.7 SEI
morning
I.2 Roadmap maintenance morning
Liaisons:
B.1.5 UCS Maintenance Agency
morning
[PAG or script topics, as required] morning
Lunch 12:30 pm to 1:30 pm
I.1 Other feedback afternoon
H.1 Release Management Group report (cont’d) afternoon
Admin:
A.6 Closing dates for PRIs
A.7 L2 representatives
afternoon
INCITS/L2 meeting 2:30 pm to 3:45 pm

A. Administrative Topics

Schedule: Tuesday, 10:30 am; Wednesday 9:30 am; Thursday 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 [L2/25-085]

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: Tuesday morning

Details:

B.1.1 IR report from ISO/IEC JTC1 SC2 and WG2 meeting June 23-27, 2025 [Deborah Anderson, L2/25-173]


B.1.2 ISO/IEC 10646:2020 Amd 2


B.1.3 ISO/IEC 10646 7th edition CD2 (SC2/4967)

Documents:

  • ISO/IEC 10646 7th Edn, Committee Draft 2 [SC2, L2/25-137]
  • Disposition of comments on CD.2 ISO/IEC 10646 7th Edition [Michel Suignard, WG2/N5339]

B.1.4 ISO/IEC FDIS 14651 (Ed.7) (SC2/N4960)

Documents:

  • Result of Voting on ISO/IEC FDIS 14651 (Ed 7) (SC2/N4987)

B.1.5 Maintenance of UCS Repertoire via a Maintenance Agency

Documents:

  • Proposed draft Terms of Reference for ISO/IEC 10646/MA (revised) [Peter Constable, L2/25-153]

B.1.6 Request for SC2 member comments on proposal to encode Ruble sign with double vertical stem [Unicode, L2/24-271 (= SC2/N4952)]

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 [Deborah Anderson, Anushah Hossain, L2/25-190]

B.8 INFITT

B.9 LSA

B.10 ISO/IEC JTC 1/SC 22

B.11 ISO TC 46

B.11.1 ISO 15924/RA

Documents:

  • 2025 Report of the ISO 15924 Registration Authority [Markus Scherer, Jan Kučera, L2/25-149]

B.12 ECMA TC 39

B.13 Unicode Administration, Infrastructure Group

C. Editorial & Charts Working Groups

Schedule: Tuesday morning

Details:

C.1 Editorial Working Group

C.1.1 Editorial Working Group Report and Recommendations for UTC #184 Meeting [EDC, L2/25-184]

Topics:

  • Unicode 17.0
  • Website topics
  • Editorial WG process
  • UTR topics
  • Feedback from PRI #526, Unicode 17.0 Beta Review
  • Comments on Public Review Issues (April 3, 2025 – July 2, 2025) routed to Editorial Working Group [Michelle Perham, L2/25-163]

C.1.2 PRI #524 Proposed Update UAX #41, Common References for Unicode Standard Annexes

Documents:

C.2 Charts Working Group

C.2.1 Charts Working Group Report for UTC #184 [CHARTS, L2/25-188]

Topics:

  • Infrastructure
  • Feedback from PRI #526, Unicode 17.0 Beta Review
  • Glyph errata process
  • Unicode 17.0 beta recap
  • Format changes for Unicode 17.0 charts
  • Chart fonts for Unicode 18.0

D. Scripts

Schedule: Tuesday afternoon

Details:

D.1 Recommendations to UTC #184 (July 2025) on Script Proposals [Kučera, et al, L2/25-187]

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


D.1.1 New Scripts

D.1.2 New Characters

Details:
  • Proposal to encode one newly-identified Tangut ideograph [Andrew West, L2/25-165]
  • Jurchen Small Script characters

    Documents:

    • Proposal to encode Jurchen Small Script characters [Viacheslav Zaytsev, Andrew West, L2/25-152]
    • Technical update on Proposal to encode Jurchen Small Script characters [Viacheslav Zaytsev, Andrew West, L2/25-164]
  • Proposal to encode two historical Persian letters used for ezafe [Ebrahim Byagowi, Roozbeh Pournader, L2/25-148]
  • Adding dagesh ḥazaq to Hebrew [Ben Denckla, L2/25-175]
  • Unicode request for open q and x with stroke [Kirk Miller, et al, L2/25-147]
  • Unicode request for ɪ with retroflex hook [Kirk Miller, L2/25-146]
  • Unicode request for wavy Y [Kirk Miller, Denis Moyogo Jacquerye, L2/25-145]
  • Unicode request for stacked arrowheads [Kirk Miller, L2/25-157]
  • Unicode request for schwa with right hook [Kirk Miller, Neil Rees, L2/25-155]
  • Unicode request for old-style IPA pitch and tonetic stress marks [Kirk Miller, Michael Ashby, L2/25-156R]
  • Unicode request to add capital U with left hook [Ismael Robles Haloui, L2/25-176]

D.1.3 New Symbols

Details:
  • UAE Dirham sign

    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 the U.A.E., L2/25-159]
    • Proposal to Encode the UAE Dirham Currency Symbol in Unicode [Bram van de Ven , L2/25-174]
  • Proposal to encode Maldivian Rufiyaa Sign in the Unicode Standard [Naail Abdul Rahman, Abdulla Shafeeu, L2/25-122R]
  • Geometric shapes

    Documents:

    • Proposal to encode 17 geometric shapes [Uwe Mayer, et al, WG2/N5330]
    • Proposal to encode 17 geometric shapes [Uwe Mayer, et al, L2/25-126]

D.1.4 Changes to Characters

Details:
  • Rejang
    • Review on the Rejang Unicode Range a930–a95f [Ariq Syauqi, Sarwit Sarwono, L2/25-162]
    • Glyph error in u+a93d rejang letter ra [Ariq Syauqi, Sarwit Sarwono, L2/25-177]
  • Glyph changes for Tangut ideographs and components
    • Glyph changes for 18 Tangut ideographs and 1 Tangut Component [Andrew West and Viacheslav Zaytsev, L2/25-143]
    • Evidence for the glyph form of U+17F03 [Andrew West, L2/25-167]
  • Follow-up revised designs of the alchemical symbols block [Kirk Miller, L2/25-125R]
  • Updates to Script Extensions properties of Vedic characters [Srinidhi A, Sridatta A, L2/25-154]
  • Arabic honorific ligature glyphs
  • Character name: Chisoi AAI
  • Annotations for Phonetic Extensions
  • Jurchen Large Script
    • Recommendations from WG 2 meeting 72 [ISO/IEC JTC 1/SC 2/WG 2, WG2/N5304]
    • Request to rename Jurchen to Jurchen Large Script (= WG2 N5338) [Viacheslav Zaytsev, Andrew West, L2/25-171]

D.1.5 Other recommendations for UTC action

Details:
  • Seal Script
    • CJK & Unihan Working Group Recommendations for UTC Meeting #184 [Ken Lunde, L2/25-186]
    • Small Seal Codecharts and Data Set [Michel Suignard, WG2/N5341]
  • DoNotEmit for IRGN2811
  • U+0320 in Syriac
  • UAX #57 feedback

D.1.6 No action required

Details:
  • UAX #57 feedback already addressed
  • Feedback on Egyptian hieroglyphs
    • PRI #526 feedback
    • Corruption of the basic sign list of Egyptian hieroglyphs inUnicode 16 [Mark-Jan Nederhof, L2/25-172]
  • Tibetan double shad
    • Proposal to clarify the usage of shay in the Core Specification [Kushim Jiang, L2/25-207]
    • Comments on Tibetan Double Shad [Peter Lofting, L2/25-208]
    • Response from Peter Lofting to Kushim [Peter Lofting, L2/25-209]
    • PRI #526 feedback
  • Feedback: Tibetan character name typos
  • Feedback: Phags-pa ph and b
  • Feedback: Glagolitic representative glyphs
  • Feedback: Rongoronto
  • Feedback: Breath marks
  • Feedback: Code point for MODIFIER LETTER HIGH AND LOW VERTICAL LINE
  • Feedback: UAX #60 numbering
  • Limited_Use classification of Bopomofo
  • Sirmauri
    • Proposal to encode Sirmauri in Unicode [Anshuman Pandey, Biswajit Mandal, L2/25-134]
    • Proposal to encode Sirmauri in Unicode [Anshuman Pandey, Biswajit Mandal, L2/25-038]
  • Initial Proposal to Encode Saanjo Script in UCS [Ejaz Mahmood, L2/25-168]
  • Proposal to Encode the Marulipi Script in the Universal Character Set (UCS) [Kamanuru Kiran Kumar, L2/25-169]
  • Proposal for encoding the Somali Osmanya Script Special Vowels in the UCS [Yuusuf Nuur Cosmann, L2/25-161]
  • Regarding the name “Heavy Sheva” [Ben Denckla, L2/25-160]
  • Unicode request for modifier small-cap W [Kirk Miller, Denis Moyogo Jacquerye, L2/25-158]
  • Proposal to encode Superscript digits used in Quran published in Pakistan [Lateef Sagar Shaikh, L2/25-150]
  • Proposal on two alternate Katakana letters (revised) [Eiso Chan, L2/25-151R]
  • UTR #56, Unicode Cuneiform Sign Lists

D.1.7 Proposals in-progress

Details:
  • A Preliminary Proposal on the Khitan Large Script [Sun Bojun, et al, WG2/N5319]
  • Revised Proposal for Encoding the Mwangwego Script in the UCS [Oreen Yousuf, Daniel Yacob, L2/25-039]
  • Proposal on adding kTangutNumeric property to UAX #60 [Eiso Chan, L2/25-055]
  • Converging towards a Small Seal encoding proposal [Michel Suignard, L2/25-111]
  • Proposal to encode Rma script to UCS [Eiso Chan, et al, L2/25-129]
  • Final Proposal for Encoding the Mwangwego Script in the UCS [Oreen Yousuf, Daniel Yacob, L2/25-135]
  • 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:

D.2 PRI #519 Proposed Update UAX #57, Unicode Egyptian Hieroglyph Database (Unikemet)

D.2.1 PRI #519 Proposed Update UAX #57

Documents:

D.2.2 Changes to Unikemet properties between 17.0β and 17.0 [Robin Leroy, L2/25-178]

D.3 PRI #520 Proposed Draft UAX #60, Data for Non Han Ideographic Scripts

Documents:

E. CJK and Unihan

Schedule: Wednesday, 3:30 pm

Details:

Discussion led by CJK and Unihan Group chair, Ken Lunde

E.1 CJK & Unihan Group Recommendations for UTC #184 Meeting [Ken Lunde, L2/25-186]

Details:
  • Public review feedback: PRI #508 Proposed Update UAX #38 (see E.2)
  • Public review feedback: PRI #513 Proposed Update UAX #50 (see E.3)
  • Public review feedback: PRI #514, Unicode 17.0 Alpha Review
  • Public review feedback: PRI #522 Proposed Update UAX #45 (see E.4)
  • Public review feedback: PRI #526, Unicode 17.0 Beta (see also H.2.1)
  • UAX #38 Unicode Han Database (Unihan) (see also E.2)

    Documents:

    • Proposal to increase coverage of the provisional kGB3 and kGB5 Unihan Database properties [Harriet Riddle, L2/25-170]
  • Other UTC documents

    Documents / topics:

    • Proposal on two alternate Katakana letters (revised) [Eiso Chan, L2/25-151R] (see also D.1.6)
  • IRG Documents
    • T-Source Glyph Modification and Horizontal Extension [TCA, IRG/N2779R2]
    • Request to consider normalizing U+2B9EC [Ng Koon Hang, IRG/N2847]
  • WG 2 Documents
    • JMJ-source related glyph issues [CheonHyeong Sim, WG2/N5296]
    • Recommendations from WG 2 meeting 72 [ISO/IEC JTC 1/SC 2/WG 2, WG2/N5304]
    • Small Seal Code charts and Data set [Michel Suignard, WG2/N5341]
  • Other topics:

E.2 PRI #508 Proposed Update UAX #38, Unicode Han Database (Unihan)

Documents:

E.3 PRI #513 Proposed Update UAX #50, Unicode Vertical Text Layout

Documents:

E.4 PRI #522 Proposed Update UAX #45, U-source Ideographs

Documents:

F. Properties and Algorithms

Schedule: all items except F.3 and F.13: Wednesday morning & afternoon

Details:

F.1 PAG: UTC #184 properties feedback & recommendations [Markus Scherer, et al, L2/25-183]

Details:
  • Comments on Public Review Issues (April 3, 2025 – July 2, 2025) routed to Properties and Algorithms Group [Michelle Perham, L2/25-163]
  • Feedback from PRI #514, Unicode 17.0 Alpha Review
  • Core spec: Error in Permuting Combining Class Weights example
  • UCD: U+00B8 ¸ CEDILLA is used as a letter
  • UCD: Add Not_Applicable as an alias for InPC=NA
  • UCD: U+2800 Braille pattern blank is categorized as a symbol
  • UCD: Misleading text in SpecialCasing.txt about iota subscript
  • Properties for character proposals
    Documents:
    • Unicode request for w with palatal hook [Denis Moyogo Jacquerye, Kirk Miller L2/25-077]
    • Unicode request for Cyrillic letter jeru with connecting bar [Kirk Miller, L2/25-112]
    • Unicode request for letters with double tilde overlay [Kirk Miller, L2/25-114]
    • Response on the Encoding of TULU-TIGALARI LETTER ARCHAIC II [Srinidhi A, Sridatta A, L2/25-113]
    • Proposal to encode one Tangut ideograph [Andrew West, Viacheslav Zaytsev, L2/25-144] (= WG2/N5303)
  • Line Break: Consistency of symbols in Line_Break
  • Line Break: Is U+2E17 a hyphen and a break opportunity? (Yes.)
  • Collation: ISO/IEC 14651 CTT: Feedback from PRI #526 Unicode 17.0 Beta (see also H.2.1)
  • Security: review ID_Type=Recommended from Unicode 13, 14, 15, 15.1
  • Security: UAX31 does not classify all scripts
  • Identifiers: Standard math profile
  • Security: Identifier_Type for Gunjala Gondi characters
  • Security: suggestion forms for confusables
  • Emoji: RGI set and fully-qualified emoji
  • IBM PC character set mapping table [Michael Walden, L2/25-142]
  • East Asian Spacing: PRI #510 feedback—see F.3
  • UCDXML: kEH_FVal: Feedback from PRI #526 Unicode 17.0 Beta (see also H.2.1)

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

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

Schedule: Wednesday, 5:00 pm

F.4 PRI #511 Proposed Update UTS #10, Unicode Collation Algorithm

F.5 PRI #516 Proposed Update UAX #44, Unicode Character Database

Documents:

F.6 PRI #523 Proposed Draft UTS #61, Unicode Set Notation

Documents:

F.7 PRI #525 Proposed Update UAX #14, Unicode Line Breaking Algorithm

Documents:

F.8 PRI #527 Proposed Update UAX #31, Unicode Identifiers and Syntax

Documents:

F.9 PRI #528 Proposed Update UAX #42, Unicode Character Database in XML

Documents:

F.10 PRI #529 Proposed Update UTS #39, Unicode Security Mechanisms

Documents:

F.11 PRI #530 Proposed Update UTS #46, Unicode IDNA Compatibility Processing

Documents:

F.12 PRI #531 Proposed Update UAX #29, Unicode Text Segmentation

Documents:

F.13 Text Terminal Working Group

Schedule: Wednesday, 10:30 am

  • Text Terminal Working Group Report for UTC #184 [Fraser Gordon, L2/25-179]

G. Emoji

Schedule: Wednesday, 9:50 am

Details:

Discussion led by Emoji Working Group chair, Jennifer Daniel

G.1 Emoji Standard and Research Working Group Report for UTC #184 (2025Q3) [ESC/Jennifer Daniel, L2/25-185]

Topics:

  • Emoji 17.0
  • Comments on Public Review Issues (April 3, 2025 – July 2, 2025) routed to Emoji Working Group [Michelle Perham, L2/25-163]
  • Interoperability audit
  • Update on intake

G.2 PRI #518: Proposed Update UTS #51, Unicode Emoji

Documents:

H. Unicode Release Management

Schedule: Tuesday morning and Thursday afternoon

Details:

H.1 Release Management Group Report to UTC #184 [RMG/Peter Constable, RMG L2/25-189]

Topics:

  • Unicode 17.0
  • Unicode 17.0 beta and release
  • Synchronization with CD.2 disposition of comments
  • Acknowledgements

H.2 Unicode 17.0 Beta & Release

H.2.1 PRI #526 Unicode 17.0 Beta

I. Other business

Details:

I.1 Other feedback

Schedule: Thursday afternoon

Documents:

  • Comments on Public Review Issues (April 3, 2025 – July 2, 2025) [Michelle Perham, L2/25-163]

I.2 Roadmap maintenance

Meeting Adjournment