14.1.0

Added

• If you enable the pool feature flag, im now supports constructing data types using refpool to speed up chunk allocation. The performance boost will vary between use cases and operating systems, but generally at least a 10% speedup can be expected when constructing a data type from an iterator, and the more complex an operation is, the more likely it is to benefit from being able to quickly reallocate chunks. Note that in order to use this feature, you have to construct your data types using the with_pool(&pool) constructor, it's not enough just to enable the feature flag.