IRG N2815

IRG Meeting #65 Schedule & Agenda

2025-10-13 through 2025-10-17

Guangzhou, China

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Last Update: 2025-10-17

IRG Meeting #65 will be conducted as a hybrid in-person/online meeting. Online participants will use Webex.

All dates and times shown are China Standard Time (UTC/GMT+08:00).

Schedule

Monday, October 13, 2025:
1. Opening Speech by Meeting Host & Convenor 10:30
2. Administrative Topics morning
3. Member Body Activity Reports morning
4. Review of Recommendations and Action Items from IRG Meeting #64 morning
Lunch 12:30 to 14:00
6. Urgently Needed Ideograph Proposals afternoon
7. Disunification Proposals & Documents afternoon
8. Horizontal Extension Proposals & Documents afternoon
Break Approximately 15:30
9. Other Documents afternoon

Tuesday, October 14, 2025:
5. IRG Working Set 2024 Version 3.0 09:00
Break Approximately 10:30
5. IRG Working Set 2024 Version 3.0 (cont’d) morning
Lunch 12:30 to 14:00
5. IRG Working Set 2024 Version 3.0 (cont’d) afternoon
Break Approximately 15:30
5. IRG Working Set 2024 Version 3.0 (cont’d) afternoon

Wednesday, October 15, 2025:
5. IRG Working Set 2024 Version 3.0 (cont’d) 09:00
Break Approximately 10:30
5. IRG Working Set 2024 Version 3.0 (cont’d) morning
Lunch 12:30 to 14:00
9. Other Documents afternoon
Break Approximately 15:30
9. Other Documents (cont’d) afternoon
Welcome Dinner evening

Thursday, October 16, 2025:
10. Final Document Preparation 09:00
Break Approximately 10:30
10. Final Document Preparation (cont’d) morning
Lunch 12:30 to 14:00
11. Approval of Meeting Recommendations and Action Items afternoon
12. Meeting Adjournment afternoon

Friday, October 17, 2025:

No Meeting

Agenda

Agenda Legend

Document number Documents that have not yet been posted to the IRG document register; also used for tentative meeting dates
Document title With the exception of member body activity reports, documents that were submitted after the submission deadline
Agenda items that have be completed
🟡 Agenda items that need to be revisited, either during this meeting or at the next one
🔴 Agenda items that were not discussed

1. ✅ Opening Speech by Meeting Host & Convenor

2. ✅ Administrative Topics

Schedule: Monday

Topics:

2.1 ✅ Roll call

2.2 ✅ Approval of agenda items

2.3 ✅ Review of work planning and future meeting schedule

  • ✅ Recommendation IRG M64.01: Future Meeting Schedule (IRG N2765)
  • ✅ IRG Meeting #66: Virtual (Webex), 2026-03-16/20 — approved by WG 2
  • ✅ IRG Meeting #67: Tokyo, Japan (hybrid), 2026-10-12/16 — approved by WG 2
  • ✅ IRG Meeting #68: Virtual (Webex), 2027-03-15/19 — approved by WG 2
  • ✅ IRG Meeting #69: Fall 2027 — seeking host

2.4 ✅ Address Book Revision (IRG N2829 & IRG N2830)

2.5 ✅ IWDS Updates

3. ✅ Member Body Activity Reports

Schedule: Monday

Topics:

3.1 ✅ China (IRG N2816R)

3.2 ✅ Hong Kong SAR (IRG N2817)

3.3 ✅ Macao SAR (IRG N2818)

3.4 ✅ TCA (IRG N2819)

3.5 ✅ ROK (IRG N2821)

3.6 ✅ SAT (IRG N2822)

3.7 ✅ UK (IRG N2823R2)

3.8 ✅ US/Unicode (IRG N2824)

3.9 ✅ Vietnam (IRG N2825)

4. ✅ Review of Recommendations and Action Items from IRG Meeting #64 (IRG N2765)

Schedule: Monday

Note from WG 2 Convenor: Unicode Version 17.0 is a strict subset of ISO/IEC 10646 7th Edition, meaning that anything that is reflected in Unicode Version 17.0 (2025) will be incorporated into the next progression of ISO/IEC 10646 7th Edition (aka CD.2). ISO/IEC 10646 7th Edition is also targeting Unicode Version 18.0 (2026).

Topics:

4.1 ✅ M64.03: Updated UCV and NUCV Lists (IRG N2813)

  • Current Status: IRG experts should be reviewing document IRG N2813 with comments due by 2025-07-25.

4.2 ✅ M64.05: 12 Urgently Needed Characters—China (IRG N2753 & IRG N2802R2)

4.3 ✅ M64.06: Disunification of 16 T-Source Ideographs (IRG N2778)

  • Current Status: These TCA disunifications and horizontal extension are reflected in Unicode Version 17.0.

4.4 ✅ M64.07: Disunification of U+6138 (IRG N2782)

4.5 ✅ M64.08: Disunification of U+980B, U+FACB & U+2F9FF (IRG N2786)

  • Current Status: In light of document IRG N2834 in Section 7.3, which recommended that the KP- and T-source disunifications in document IRG N2786 be reconsidered during this IRG meeting, the UTC CJK & Unihan Working Group recommended that the UTC not accept this proposal, and the UTC agreed. Also see document IRG N2865 in Section 7.3.

4.6 ✅ M64.09: Disunification of U+2A50D (IRG N2780 & IRG N2804)

4.7 ✅ M64.10: China Horizontal Extensions (IRG N2729R3 & IRG N2805R2)

4.8 ✅ M64.11: Japan Horizontal Extension Issues (IRG N2040 & IRG N2722)

4.9 ✅ M64.12: TCA Horizontal Extension (IRG N2779R2)

4.10 ✅ M64.13: Vietnam Horizontal Extension (IRG N2798)

4.11 ✅ M64.14: Revised G-Source Representative Glyphs & Sources (IRG N2800, IRG N2803R2, IRG N2805R2 & IRG N2807)

  • Current Status: These G-source representative glyph and property value changes are reflected in Unicode Version 17.0.
  • Special Note: The one kRSUnicode and two kTotalStrokes property value changes in document IRG N2800 should have been excluded from this recommendation, because they affect U+9D56 and U+3125D whose possible disunifications were deferred to a future IRG meeting.

4.12 ✅ M64.15: Revised T-Source Representative Glyphs & Sources (IRG N2777, IRG N2778 & IRG N2779R2)

  • Current Status: These T-source representative glyph and property value changes are reflected in Unicode Version 17.0.

4.13 ✅ M64.16: Revised V-Source Representative Glyphs & Sources (IRG N2798 & IRG N2801)

  • Current Status: These V-source representative glyph and property value changes are reflected in Unicode Version 17.0.

4.14 ✅ M64.17: Updated IRG Disunified Ideographs (IRG N2811)

  • Current Status: IRG experts should be reviewing document IRG N2811 with comments due by 2025-08-29.

4.15 ✅ M64.18: IRG P&P Update (IRG N2711, IRG N2713, IRG N2714R, IRG N2715R, IRG N2743 & IRG N2791)

4.16 ✅ M64.19: Encoding CJKV Components (IRG N2799)

4.17 ✅ M64.20: Script-Hybrid Han Ideographs (IRG N2789, IRG N2792 & IRG N2793R)

4.18 ✅ M64.21: CAAPH IVD Collection (IRG N2796R2)

  • Current Status: PRI #521, Combined registration of the CAAPH collection and of sequences in that collection, which opened on 2025-04-08, closed on 2025-07-11, and a new version of the IVD that registers the new CAAPH IVD collection and its initial set of 198 IVSes was published on 2025-07-14.

5. ✅ IRG Working Set 2024 Version 3.0

Schedule: Tuesday & Wednesday

Topics:

5.1 ✅ IRG Working Set 2024 Version 3.0 (IRG N2809)

5.2 ✅ IRG Working Set 2024 Version 3.0 Consolidated Comments (IRG N2810)

5.3 ✅ Specific issues that require attention:

5.4 ✅ Editorial Report (IRG N2827)

6. ✅ Urgently Needed Ideograph Proposals

Schedule: Monday

Topics:

NONE

7. Disunification Proposals & Documents

Schedule: Monday

Topics:

7.1 ✅ Proposal to Disunify U+2A50D (IRG N2780)

  • ✅ Feedback on IRG N2780 (IRG N2804)
  • Current Status: See Section 1 of document IRG N2859 in Section 9.3, which was sent to Japan on 2025-08-13, along with the response from Japan in document IRG N2870.

7.2 ✅ Possible Disunification of U+21694 (IRG N2846)

  • ✅ Feedback on IRG N2846 (IRG N2848)
  • Current Status: See Section 4 of document IRG N2859 in Section 9.3, which was sent to Japan on 2025-08-13, along with the response from Japan in document IRG N2870.

7.3 ✅ Proposal to Disunify U+FACB and U+2F9FF (IRG N2786)

  • ✅ Feedback on the Unihan property values of U+980B (IRG N2834)
  • ✅ Feedback to IRG N2834 (IRG N2865)

8. ✅ Horizontal Extension Proposals & Documents

Schedule: Monday

Topics:

8.1 ✅ Issues about JMJ Horizontal Extension (IRG N2040 & IRG N2722)

  • Current Status: See Section 3 of document IRG N2859 in Section 9.3, which was sent to Japan on 2025-08-13, along with the response from Japan in document IRG N2870.

8.2 ✅ Request for Horizontal Extension in the H column of the ISO/IEC 10646 Standard (IRG N2849R)

8.3 ✅ G-Source horizontal extensions for 597 characters (IRG N2877R3)

8.4 ✅ T-Source horizontal extensions for 163 characters (IRG N2879R2)

9. ✅ Other Documents

Schedule: Monday & Wednesday

Topics:

9.1 ✅ Representative Glyph & Source Reference Issues

  • ✅ G7-source references updates (IRG N2808R2)
  • ✅ Request to revise the glyphs for 4 G-source ideographs (IRG N2840)
  • ✅ Request for consideration to revise the glyphs for 18 G-source characters (IRG N2843)
  • ✅ Proposal to Normalize some G-source Characters in CJK-ExtG (IRG N2845)
  • ✅ G-Source references updates for 1,538 characters (IRG N2864R)
    • ✅ Proposal for changing the source reference information for 1,417 G-Source characters (IRG N2835R) — Evidence ZIP (1.4GB)
    • ✅ Request for consideration to update the source reference values for 82 GXC-source characters (IRG N2837) — Evidence ZIP (51MB)
    • ✅ Feedback on IRG N2835 (IRG N2838)
    • ✅ Recommendations for resolving long-standing G3 and G5 issues (IRG N2863)
    • ✅ Feedback on IRG N2835 / N2837 / N2838 (IRG N2868)
  • ✅ Feedback on IRG N2851/N2853/N2855/N2869/N2730/N2871 (IRG N2876R2)
    • ✅ Request to update the G-source glyph and source reference for U+3A17 (IRG N2851)
    • ✅ Request to revise 11 G-source glyphs (IRG N2853)
    • ✅ Feedback on IRG N2851 and IRG N2853 (IRG N2855)
    • ✅ Request for consideration to modify G glyph for U+28B48 (IRG N2869)
    • ✅ Proposal to Disunify two Kangxi Characters (Redux) (IRG N2730)
    • ✅ Proposal on modifying 3 G-source representative glyphs (IRG N2871)
  • Feedback on IRG N2884, IRG N2838, and IRG N2730 (IRG N2889R2)
    • Proposal to Normalize some G-source Characters in CJK-ExtC (IRG N2884)
    • ✅ Feedback on IRG N2835 (IRG N2838)
    • ✅ Proposal to Disunify two Kangxi Characters (Redux) (IRG N2730)
  • ✅ Proposal to modify the references of 11 KC-source characters (IRG N2858)
    • KR Response to IRG N2858, Proposal to modify the references of 11 KC-source characters, Wenjie Dong (IRG N2872)
  • Request to revise 2 K-source glyphs (IRG N2881)
    • KR Response to IRG N2881, Request to revise 2 K-source glyphs by MA Shijie (IRG N2882)
  • A discussion of the glyph of K6-110B/U+25A2B/U+2B058 and the glyph of GZJW-01380/U+2B058 (IRG N2873)
  • ✅ Request to move SAT-60289 from U+2E30B to U+809E (IRG N2854)
    • SAT Feedback on “Request to move SAT-60289 from U+2E30B to U+809E” (IRG N2854) (IRG N2891)
  • ✅ Feedback to IRG N2779 (IRG N2832)
  • ✅ Glyph issues of U+8FBC (IRG N2842)
  • ✅ Request to revise 25 T-source glyphs (IRG N2860)
  • T-Source and Glyph Updates (IRG N2880)
  • ✅ Request to consider normalizing U+2B9EC (IRG N2847)
    • Current Status: This V-source representative glyph change is reflected in Unicode 17.0.0.

9.2 ✅ IRG P&P Documents

9.3 ✅ Miscellaneous Documents

  • ✅ Handling of ideographs used in Singapore and Malaysia (IRG N2841)
  • ✅ Recommendations for disposition of IRG N2676, N2722, N2780, N2846 & related documents (IRG N2859)
  • ✅ Proposal to create consolidated SC and FS guidelines for IWDS (IRG N2862)
  • Updated proposal to encode CJK Unified Ideographs Components and CJK Unified Ideographs Jianzi Musical Notation Components (IRG N2878R)
    • ✅ Feedback on IRG N2799 - Proposal to Add New Components (IRG N2852)
    • Feedback on IRG N2878 to add 5 components and to revise some representative glyphs (IRG N2890)
  • ✅ Script-Hybrid Characters and GB 18030 (IRG N2866R2)
    • Some comments RE: IRG N2866R, Script-Hybrid Characters and GB 18030, Witty Wen, 2025-10-01 (IRG N2885R)
  • ✅ Multi-Syllabic Characters and Abbreviation Characters (IRG N2867R)
  • China's advice on the encoding work of CJK Hybrid Characters (IRG N2893)

9.4 ✅ Editorial Report on Miscellaneous Issues (IRG N2828)

10. ✅ Final Document Preparation

Schedule: Thursday

Topics:

10.1 ✅ Editorial Report (IRG N2827)

10.2 ✅ Editorial Report on Miscellaneous Issues (IRG N2828)

10.3 ✅ IRG Meeting #65 Recommendations and Action Items (IRG N2826)

11. ✅ Approval of Meeting Recommendations and Action Items

Schedule: Thursday

Topics:

11.1 ✅ IRG Meeting #65 Recommendations and Action Items (IRG N2826)

12. ✅ Meeting Adjournment 🎉