Improvements
* Various performance optimizations in the read path. [1689](https://github.com/TileDB-Inc/TileDB/pull/1689) [#1692](https://github.com/TileDB-Inc/TileDB/pull/1692) [#1693](https://github.com/TileDB-Inc/TileDB/pull/1693) [#1694](https://github.com/TileDB-Inc/TileDB/pull/1694) [#1695](https://github.com/TileDB-Inc/TileDB/pull/1695)
* Google Cloud SDK bumped to 1.14. [1687](https://github.com/TileDB-Inc/TileDB/pull/1687), [#1742](https://github.com/TileDB-Inc/TileDB/pull/1742)
Bug fixes
* Fixed error "Error: Out of bounds read to internal chunk buffer of size 65536" that may occur when writing var-sized attributes. [1732](https://github.com/TileDB-Inc/TileDB/pull/1732)
* Fixed error "Error: Chunk read error; chunk unallocated error" that may occur when reading arrays with more than one dimension. [1736](https://github.com/TileDB-Inc/TileDB/pull/1736)
* Fix Catch2 detection of system install [1733](https://github.com/TileDB-Inc/TileDB/pull/1733)
* Use libtiledb-detected certificate path for Google Cloud Storage, for better linux binary/wheel portability. [1741](https://github.com/TileDB-Inc/TileDB/pull/1741)
* Fixed a small memory leak when opening arrays. [1690](https://github.com/TileDB-Inc/TileDB/pull/1690)
* Fixed an overflow in the partioning path that may result in a hang or poor read performance. [1725](https://github.com/TileDB-Inc/TileDB/pull/1725)[#1707](https://github.com/TileDB-Inc/TileDB/pull/1707)
* Fix compilation on gcc 10.1 for blosc [1740](https://github.com/TileDB-Inc/TileDB/pull/1740)
* Fixed a rare hang in the usage of `load_tile_var_sizes`. [1748](https://github.com/TileDB-Inc/TileDB/pull/1748)