Open issues

CLONE - Improve VSCode configuration for ICU4C build and test
ICU-21193
Allow to build static libraries on Windows with Visual Studio
ICU-21152
Improve VSCode configuration for ICU4C build and test
ICU-21137
UBSan: "null pointer passed as argument 1, which is declared to never be null" error in ulocimp_getLanguage, ulocimp_getScript, ulocimp_getCountry
ICU-21118
Error writing ../../../source/data\mappings/cns-11643-1992.ucm (U_FILE_ACCESS_ERROR)
ICU-21083
declspec macros in platform.h clashing with other libraries
ICU-21064
Fuzzer-detected Null-dereference READ in icu_67::DataBuilderCollationIterator::getCE32FromBuilderData
ICU-21041
LocaleMatcherTest failure to round-trip locales with variants such as ca_ES_VALENCIA
ICU-20997
Creating or Using another decNumber Library in C++
ICU-20994
DecNum through 2020 errors in Multiplying numbers
ICU-20993
acceptLanguageFromHTTP: empty string
ICU-20986
Surprising results when passing in "*" to acceptLanguageFromHTTP.
ICU-20985
Follow-up: strncpy doesn't always null-terminate
ICU-20983
Compilation error with C++20 standard: unable to rewritte operator!= because operator== does not return a bool
ICU-20973
Add Windows locale and collation aliases to icu-locale-deprecates.xml and icu-coll-deprecates.xml
ICU-20947
Add FormattedValue methods to DateFormat
ICU-20897
Word Break rules, $dictionary should not include Hangul characters
ICU-20812
ICU4C: Add support for building the samples with ARM and ARM64 (non-UWP)
ICU-20788
umutex.h:52:17: error: 'dllexport' attribute ignored on explicit instantiation definition [-Werror,-Wignored-attributes]
ICU-20770
Change transliterator IDs from keys to values in resource bundle
ICU-20695
u_sprintf bug
ICU-20691
Build script fails at multiple points in Windows Cygwin/MSVC environment
ICU-20677
Add data/resource tracing to ICU4J
ICU-20656
Building on Windows fails (Cygwin with MSVC compiler, not GCC or Clang)
ICU-20614
CLONE - C API for UNumberRangeFormatter
ICU-20583
Provide a static method to enumerate all possible KEYWORDS
ICU-20546
Compilation with MSYS2 + MSVC 2019 "Couldn't create the udata mappings/cns-11643-1992.cnv"
ICU-20545
udata_setCommonData checks should be more robust around versioning
ICU-20504
Make tzID in TimeZone::createTimeZone case insensitve
ICU-20483
Change StaticUnicodeSets to automatically load new parseLenients
ICU-20428
icu4c 63.1 date format is significantly slower as compared to icu4c 56.
ICU-20427
Enhance tests for U_HIDE_ conditionals to catch issues like ICU-20306
ICU-20403
Locale::forLanguageTag() lost other value in -x while there are "lvariant" in it.
ICU-20327
Allow Formattable to wrap user-defined objects
ICU-20275
Calendar.fieldDifference() bug
ICU-20268
C API for UNumberRangeFormatter
ICU-20261
Add support for custom currencies and currency symbols to NumberFormatter
ICU-20218
Add cherry-pick tooling to jira-ticket web UI
ICU-20201
@internal ≠ do not use (redux)
ICU-20190
Change hard coded "no data" data
ICU-20131
Add validation of LanguageTags to ICU4C (C and C++)
ICU-20105
Add 32 bit ICU4C build for Linux to the CI build system
ICU-20101
Document ownership behavior of ures_getByKeyWithFallback and related methods
ICU-20064
Cygwin build in bad shape
ICU-20060
"ucnv_toUChars" function returns different output (destLength) in ICU 61.1 from ICU 59.1
ICU-20045
CollatorServiceShim$CService holds strong reference of collation data permanently
ICU-20031
Add Normalizer2.regionMatches
ICU-13819
Limit environment test to selected locales
ICU-13806
Add getLocale method to LocalizedNumberFormatter?
ICU-13767
Add static all-in-one number formatting/parsing function
ICU-13760
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