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MARC LORTET
Feb 23
Unexplained behavior related to converters
Hello, My program uses "ucnv_setDefaultName" which doesn't set the desired default
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Unexplained behavior related to converters
Hello, My program uses "ucnv_setDefaultName" which doesn't set the desired default
Feb 23
Bryan Chen
Feb 20
Contributing a C++ modules API for ICU
Hi, I would like to submit a proposal to add a C++ modules API for ICU. This wouldn't introduce
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Contributing a C++ modules API for ICU
Hi, I would like to submit a proposal to add a C++ modules API for ICU. This wouldn't introduce
Feb 20
Alexander Turenko
, …
Markus Scherer
3
Feb 16
[C++ API] Should StringSearch constructor accept RuleBasedCollator as const?
On Mon, Feb 16, 2026 at 7:15 AM Steven Loomis <srlo...@unicode.org> wrote: Collators cannot be
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[C++ API] Should StringSearch constructor accept RuleBasedCollator as const?
On Mon, Feb 16, 2026 at 7:15 AM Steven Loomis <srlo...@unicode.org> wrote: Collators cannot be
Feb 16
Richard Gillam
Feb 2
ICU 78.2 Released -- and future changes
Dear clients and friends of ICU— The ICU 78.2 maintenance release has been released. This includes
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ICU 78.2 Released -- and future changes
Dear clients and friends of ICU— The ICU 78.2 maintenance release has been released. This includes
Feb 2
Rich Gillam
Feb 2
ICU 78.2 Released — and future changes
Dear clients and friends of ICU— The ICU 78.2 maintenance release has been released. This includes
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ICU 78.2 Released — and future changes
Dear clients and friends of ICU— The ICU 78.2 maintenance release has been released. This includes
Feb 2
Matt Magoffin
, …
Markus Scherer
4
Jan 27
Collation with upper and numeric comparing in unexpected way
Thank you Rich and Markus, I missed the part in the docs that mention numericOrdering is a primary
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Collation with upper and numeric comparing in unexpected way
Thank you Rich and Markus, I missed the part in the docs that mention numericOrdering is a primary
Jan 27
Vaishnav Katiyar
Jan 27
Inquiry: Security Hardening in IANA tz Database 2025c and ICU Build Tools
Dear ICU Team, I wanted to bring to your attention the recent security hardening introduced in the
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Inquiry: Security Hardening in IANA tz Database 2025c and ICU Build Tools
Dear ICU Team, I wanted to bring to your attention the recent security hardening introduced in the
Jan 27
Franka Reuter
,
George Rhoten
3
Jan 19
Question to https://unicode-org.atlassian.net/browse/ICU-22887
Thanks George Regards Franka On Tuesday, 20 January 2026 at 8:20:39 am UTC+8 George Rhoten wrote:
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Question to https://unicode-org.atlassian.net/browse/ICU-22887
Thanks George Regards Franka On Tuesday, 20 January 2026 at 8:20:39 am UTC+8 George Rhoten wrote:
Jan 19
Raj Aryan
,
Shane Carr
2
Jan 19
Request for JIRA Access - New Contributor
Hi Raj, Thanks for your interest in Unicode! You should be able to create your own Jira account; I
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Request for JIRA Access - New Contributor
Hi Raj, Thanks for your interest in Unicode! You should be able to create your own Jira account; I
Jan 19
Amit Patil
, …
Ramesh Rajbanshi
3
12/31/25
Request to Join as a Contributor to the ICU Project
On Tuesday, October 28, 2025 at 12:38:02 AM UTC+4 Elango Cheran wrote: ICU is an open source project,
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Request to Join as a Contributor to the ICU Project
On Tuesday, October 28, 2025 at 12:38:02 AM UTC+4 Elango Cheran wrote: ICU is an open source project,
12/31/25
Mike Samuel
, …
Elango Cheran
9
12/23/25
Explore a cross-PL implementation of ICU
Yep, that URL is the Kalai Github repo. We ditched the single pass strategy early on, so you won'
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Explore a cross-PL implementation of ICU
Yep, that URL is the Kalai Github repo. We ditched the single pass strategy early on, so you won'
12/23/25
Markus Scherer
12/19/25
upcoming ICU 78.2 maintenance release
Dear friends and users of ICU, We have assembled a small number of C++ bug fixes on the ICU 78
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upcoming ICU 78.2 maintenance release
Dear friends and users of ICU, We have assembled a small number of C++ bug fixes on the ICU 78
12/19/25
Vaishnav Katiyar
, …
Markus Scherer
4
12/18/25
operator+ ambiguity with std::wstring on Windows
On Wed, Dec 17, 2025 at 4:46 PM Robin Leroy <eggr...@unicode.org> wrote: Le mar. 16 déc. 2025
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operator+ ambiguity with std::wstring on Windows
On Wed, Dec 17, 2025 at 4:46 PM Robin Leroy <eggr...@unicode.org> wrote: Le mar. 16 déc. 2025
12/18/25
Vaishnav Katiyar
,
Markus Scherer
2
12/12/25
Clarification on CVE-2025-5222 Fix in ICU
On Fri, Dec 12, 2025 at 4:18 AM 'Vaishnav Katiyar' via icu-support <icu-support@unicode.
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Clarification on CVE-2025-5222 Fix in ICU
On Fri, Dec 12, 2025 at 4:18 AM 'Vaishnav Katiyar' via icu-support <icu-support@unicode.
12/12/25
Christian Maurer
,
Fredrik Roubert
3
12/12/25
ICU 78.1: C4275 in GregorianCalendar and NumberFormat
Hi Frederik, Sorry for the delay! I found this stackoverflow entry: https://stackoverflow.com/
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ICU 78.1: C4275 in GregorianCalendar and NumberFormat
Hi Frederik, Sorry for the delay! I found this stackoverflow entry: https://stackoverflow.com/
12/12/25
Benjamin Gilbert
,
Fredrik Roubert
2
12/10/25
icu4c 78.1: attribute 'dllexport' cannot be applied to a deleted function
On Sat, Dec 6, 2025 at 5:11 AM Benjamin Gilbert <bgil...@backtick.net> wrote: > icu4c 78.1
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icu4c 78.1: attribute 'dllexport' cannot be applied to a deleted function
On Sat, Dec 6, 2025 at 5:11 AM Benjamin Gilbert <bgil...@backtick.net> wrote: > icu4c 78.1
12/10/25
Biedrzycki, Filip
,
Markus Scherer
2
11/25/25
Question about CVE-2025-5222
On Tue, Nov 25, 2025 at 7:46 AM 'Biedrzycki, Filip' via icu-support <icu-support@unicode.
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Question about CVE-2025-5222
On Tue, Nov 25, 2025 at 7:46 AM 'Biedrzycki, Filip' via icu-support <icu-support@unicode.
11/25/25
Christian Maurer
, …
Steven Loomis
5
11/25/25
icupkg: string storage overflow
Hi Markus, the build finished successfully when using #define STRING_STORE_SIZE 300000 I will run
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icupkg: string storage overflow
Hi Markus, the build finished successfully when using #define STRING_STORE_SIZE 300000 I will run
11/25/25
David Ritter
,
George Rhoten
3
11/19/25
ICU 78 genrb failure on Solaris x86
Oh cool. I have applied the patch from the PR and it does address the runtime error I observed on
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ICU 78 genrb failure on Solaris x86
Oh cool. I have applied the patch from the PR and it does address the runtime error I observed on
11/19/25
David Ritter
11/17/25
Can not log into ICU JIRA page
Hello! I'm attempting to submit a few bugs for ICU 78 and I have been unable to log into the
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Can not log into ICU JIRA page
Hello! I'm attempting to submit a few bugs for ICU 78 and I have been unable to log into the
11/17/25
Rong Zhao
11/2/25
Help Needed: genrb.exe Not Found Due to Misaligned Build Paths
Dear ICU Support Team, I'm building ICU4C version 77.1 on Windows using Visual Studio 2022, and I
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Help Needed: genrb.exe Not Found Due to Misaligned Build Paths
Dear ICU Support Team, I'm building ICU4C version 77.1 on Windows using Visual Studio 2022, and I
11/2/25
Markus Scherer
10/30/25
ICU 78 Released
Dear friends and users of ICU, We are pleased to announce the release of Unicode® ICU 78. It updates
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ICU 78 Released
Dear friends and users of ICU, We are pleased to announce the release of Unicode® ICU 78. It updates
10/30/25
Philip McGrath
10/13/25
Confusing stop position on error in ucnv_convertEx()
Hi, For context, I am working on a programming language's runtime system to add support for ICU
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Confusing stop position on error in ucnv_convertEx()
Hi, For context, I am working on a programming language's runtime system to add support for ICU
10/13/25
LN Liberda
,
Fredrik Roubert
2
10/13/25
UnicodeString std::u16string_view APIs preferred by clang
On Sun, Oct 12, 2025 at 1:35 PM 'LN Liberda' via icu-support <icu-s...@unicode.org>
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UnicodeString std::u16string_view APIs preferred by clang
On Sun, Oct 12, 2025 at 1:35 PM 'LN Liberda' via icu-support <icu-s...@unicode.org>
10/13/25
Nishant Sharma
10/13/25
Encountered existing ICU-23016 bug.
Hi, We encountered an existing bug in ICU library. JIRA : https://unicode-org.atlassian.net/browse/
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Encountered existing ICU-23016 bug.
Hi, We encountered an existing bug in ICU library. JIRA : https://unicode-org.atlassian.net/browse/
10/13/25
Markus Scherer
10/3/25
ICU 78 Release Candidate available
Dear friends and users of ICU, We are pleased to announce the release candidate for Unicode® ICU 78.
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ICU 78 Release Candidate available
Dear friends and users of ICU, We are pleased to announce the release candidate for Unicode® ICU 78.
10/3/25
douglas mennella
,
Markus Scherer
11
10/2/25
C API : Does utrans_openU register system transliterators?
As the subject suggests my questions are pointed towards the C API. What's funny is that it's
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C API : Does utrans_openU register system transliterators?
As the subject suggests my questions are pointed towards the C API. What's funny is that it's
10/2/25
Todd Lang
, …
Markus Scherer
15
9/25/25
Applying tailoring
I was wondering about additional rules with: https://unicode-org.github.io/icu/userguide/collation/
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Applying tailoring
I was wondering about additional rules with: https://unicode-org.github.io/icu/userguide/collation/
9/25/25
Tom Womack
9/15/25
Building static libs with /MT
Hello, Are there any clear instructions for how to build ICU core x86/x64 as static libraries linked
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Building static libs with /MT
Hello, Are there any clear instructions for how to build ICU core x86/x64 as static libraries linked
9/15/25
Richmond Mathewson
,
Markus Scherer
2
9/15/25
Devanagari U11B00
On Sun, Sep 14, 2025 at 1:14 AM Richmond Mathewson <richmond...@gmail.com> wrote: There
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Devanagari U11B00
On Sun, Sep 14, 2025 at 1:14 AM Richmond Mathewson <richmond...@gmail.com> wrote: There
9/15/25
