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Regarding retrieval of Unihan property in ICU4X

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

Status: Open.

#6941 In unicode-org/icu4x;

· opnuub opened on Sep 13, 2025

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2.x Priority ⟨P2⟩

Add iterators over UTF/Latin1 slices that fuse a CodePointTrie lookup

A-performanceArea: Performance (CPU, Memory)Area: Performance (CPU, Memory)

C-collatorComponent: Collation, normalizationComponent: Collation, normalization

C-segmentationComponent: SegmentationComponent: Segmentation

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

Status: Open.

#6925 In unicode-org/icu4x;

· hsivonen opened on Sep 8, 2025

Review icu_properties and icu_casemap tries for perf-sensitive lookup by characters in the U+1000 to U+FFFF range

A-dataArea: Data coverage or qualityArea: Data coverage or quality

A-performanceArea: Performance (CPU, Memory)Area: Performance (CPU, Memory)

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

Status: Open.

#6885 In unicode-org/icu4x;

· hsivonen opened on Aug 20, 2025

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Backlog ⟨P4⟩

Add an efficient data structure for mapping (char, char) to char

A-performanceArea: Performance (CPU, Memory)Area: Performance (CPU, Memory)

C-collatorComponent: Collation, normalizationComponent: Collation, normalization

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

Status: Open.

#6857 In unicode-org/icu4x;

· hsivonen opened on Aug 14, 2025

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Backlog ⟨P4⟩

New property values for Unicode 17

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

Status: Open.

#6787 In unicode-org/icu4x;

· sffc opened on Jul 31, 2025

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2.1 Blocking ⟨P1⟩

Add get_planes_trie to FFI

A-ffiArea: FFI, WebAssembly, TranspilationArea: FFI, WebAssembly, Transpilation

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

good first issueGood for newcomersGood for newcomers

Status: Open.

#6668 In unicode-org/icu4x;

· sffc opened on Jun 13, 2025

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Priority Backlog ⟨P3⟩

Make Indic_Conjunct_Break property public / stable

blockedA dependency must be resolved before this is actionableA dependency must be resolved before this is actionable

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

Status: Open.

#6419 In unicode-org/icu4x;

· makotokato opened on Apr 7, 2025

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Backlog ⟨P4⟩

Ergonomic compiled data APIs for property types

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

U-android-bionicBionic in AndroidBionic in Android

Status: Open.

#6049 In unicode-org/icu4x;

· Manishearth opened on Jan 31, 2025

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2.x Priority ⟨P2⟩

Make property name lookup <code>get_loose</code> more efficient and limit recursion depth

A-performanceArea: Performance (CPU, Memory)Area: Performance (CPU, Memory)

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

good first issueGood for newcomersGood for newcomers

S-smallSize: One afternoon (small bug fix or enhancement)Size: One afternoon (small bug fix or enhancement)

Status: Open.

#5599 In unicode-org/icu4x;

· sffc opened on Sep 25, 2024

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Backlog ⟨P4⟩

Unicode property <code>Joining_Group</code> is not exposed by this library.

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

good first issueGood for newcomersGood for newcomers

S-smallSize: One afternoon (small bug fix or enhancement)Size: One afternoon (small bug fix or enhancement)

Status: Open.

#4902 In unicode-org/icu4x;

· asibahi opened on May 14, 2024

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Priority Backlog ⟨P3⟩

Add Unicode Blocks access and iteration

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

good first issueGood for newcomersGood for newcomers

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

Status: Open.

#4803 In unicode-org/icu4x;

· sffc opened on Apr 12, 2024

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Backlog ⟨P4⟩

Consider supporting 1, 2, 4, and 24-bit trie values

A-performanceArea: Performance (CPU, Memory)Area: Performance (CPU, Memory)

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

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

Status: Open.

#4670 In unicode-org/icu4x;

· hsivonen opened on Mar 8, 2024

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Backlog ⟨P4⟩