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nanoarrow 0.6.0

• Add float16 support for R bindings (#650)
• Implement string view support in R bindings (#636)
• Allow opt-out of warning for unregistered extension types (#632)
• Add bindings to IPC writer (#608)
• Avoid flatcc aligned_alloc() call when compiling R package (#494)
• Use JSON in experimental R vctrs extension type (#533)

nanoarrow 0.5.0

• Add experimental nanoarrow_vctr to wrap a list of arrays (#461)
• Add bindings for IPC reader (#390)
• Fix tests for platforms where arrow dataset and/or zip is not available (#415)
• Remove unnecessary package name call (#381)

nanoarrow 0.4.0

• Fix source links from pkgdown site (#315).
• Provide LinkingTo headers for extension packages (#332).
• Add more nanoarrow_array_stream generics (#349).
• Add conversion from integer type to character() (#345).
• Ensure simple list()s can be converted without arrow installed (#344).

nanoarrow 0.3.0.1

• Ensure wrapper array stream eagerly releases the wrapped array stream (#333).

nanoarrow 0.3.0

• Use classed warnings to signal that a lossy conversion occurred (#298)
• Add support for bit64::integer64() conversions (#293)
• Implement extension type registration/conversion (#288)
• Implement dictionary conversion (#285)
• Ensure ordered is reflected in na_dictionary() (#299)
• Warn for possibly out of range int64 -> double conversions (#294)
• Support map conversion to R vector (#282)
• Don’t link to arrow package R6 class pages (#269)
• Use basic_array_stream() to improve array stream to data.frame conversion (#279)

nanoarrow 0.2.0-1

• Don’t link to arrow package R6 class pages (#269)

nanoarrow 0.2.0

New features

• Improve printing and conversion of buffers (#208)
• Add enum ArrowType buffer_data_type member to struct ArrowLayout (#207)
• Implement ListChildOffset function (#197)
• Add ability to deterministically run a finalizer on an array stream (#196)
• Union array support (#195)
• Add ArrowArrayStream implementation to support keeping a dependent object in scope (#194)
• Add as_nanoarrow_array() implementation that does not fall back on arrow::as_arrow_array() everywhere (#108)
• Create nanoarrow_array objects from buffers (#105)
• Implement infer schema methods (#104)
• Create and modify nanoarrow_schema objects (#101)

Bugfixes

• Fix convert_array_stream() for non-record batch stream with zero batches (#212)
• clear release in EmptyArrayStream::release_wrapper (#204)
• Release streams when calling as.vector() or as.data.frame() (#202)
• Don’t invoke undefined behaviour in conversions to/from Arrow (#167)
• Use strict prototypes in all internal C functions (#151)
• Don’t memcpy NULL when converting buffer to raw (#149)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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