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

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)

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)