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Decide on default calendar sets (i.e. "what goes in AnyCalendar")

discuss-priorityDiscuss at the next ICU4X meetingDiscuss at the next ICU4X meeting

Status: Open.

#7320 In unicode-org/icu4x;

· Manishearth opened on Dec 15, 2025

Handle out-of-range values in Dense ZeroTrie

C-zerovecComponent: Yoke, ZeroVec, DataBakeComponent: Yoke, ZeroVec, DataBake

good first issueGood for newcomersGood for newcomers

Status: Open.

#7303 In unicode-org/icu4x;

· sffc opened on Dec 11, 2025

Filter low-frequency suffixes from Dense ZeroTrie

C-zerovecComponent: Yoke, ZeroVec, DataBakeComponent: Yoke, ZeroVec, DataBake

good first issueGood for newcomersGood for newcomers

Status: Open.

#7302 In unicode-org/icu4x;

· sffc opened on Dec 11, 2025

Add docs for the Unicode version implemented by each segmenter

C-segmentationComponent: SegmentationComponent: Segmentation

T-docs-testsType: Code change outside core libraryType: Code change outside core library

Status: Open.

#7300 In unicode-org/icu4x;

· sffc opened on Dec 10, 2025

State of Unicode in Rust

trackingThis issue tracks a ticket in another projectThis issue tracks a ticket in another project

Status: Open.

#7274 In unicode-org/icu4x;

· robertbastian opened on Dec 4, 2025

Many Diplomat generated Kotlin classes are unusable from Java

C-ffi-infraComponent: Diplomat, horizontal FFIComponent: Diplomat, horizontal FFI

Status: Open.

#7262 In unicode-org/icu4x;

· mihnita opened on Dec 1, 2025

Inconsistent locale options for constructors

C-metaComponent: Relating to ICU4X as a wholeComponent: Relating to ICU4X as a whole

Status: Open.

#7261 In unicode-org/icu4x;

· mihnita opened on Dec 1, 2025

·  

ICU4X 3.0

Async versions of <code>yoke</code> functions

Status: Open.

#7253 In unicode-org/icu4x;

· Enduriel opened on Nov 20, 2025

Fix re-export docs (may depend on rustdoc fixes)

C-metaComponent: Relating to ICU4X as a wholeComponent: Relating to ICU4X as a whole

T-docs-testsType: Code change outside core libraryType: Code change outside core library

Status: Open.

#7247 In unicode-org/icu4x;

· sffc opened on Nov 16, 2025

Use jinja templates to generate binary and enumerated properties

C-unicodeComponent: Props, sets, triesComponent: Props, sets, tries

help wantedIssue needs an assigneeIssue needs an assignee

S-mediumSize: Less than a week (larger bug fix or enhancement)Size: Less than a week (larger bug fix or enhancement)

T-enhancementType: Nice-to-have but not requiredType: Nice-to-have but not required

T-techdebtType: ICU4X code health and tech debtType: ICU4X code health and tech debt

Status: Open.

#7233 In unicode-org/icu4x;

· Manishearth opened on Nov 10, 2025

·  

Backlog ⟨P4⟩

Consider using <code>native_toolchain_rust</code> in Dart

C-ffi-infraComponent: Diplomat, horizontal FFIComponent: Diplomat, horizontal FFI

Status: Open.

#7231 In unicode-org/icu4x;

· robertbastian opened on Nov 7, 2025

·  

Backlog ⟨P4⟩

<code>Date::day_of_week</code> is a bad name

C-calendarComponent: CalendarsComponent: Calendars

Status: Open.

#7228 In unicode-org/icu4x;

· robertbastian opened on Nov 7, 2025

·  

2.2 Blocking ⟨P1⟩