Restore release date for 4.9.1 RC1 in release notes.
@@ -18,6 +18,10 @@ This file contains a high-level description of this package's evolution. Release
* [Bug Fix] Fix a race condition when testing missing filters. See [Github #2557](https://github.com/Unidata/netcdf-c/pull/2557).
* [Bug Fix] Fix some race conditions due to use of a common file in multiple shell scripts . See [Github #2552](https://github.com/Unidata/netcdf-c/pull/2552).
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+### 4.9.1 - Release Candidate 1 - October 24, 2022
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* [Enhancement][Documentation] Add Plugins Quick Start Guide. See [GitHub #2524](https://github.com/Unidata/netcdf-c/pull/2524) for more information.
* [Enhancement] Add new entries in `netcdf_meta.h`, `NC_HAS_BLOSC` and `NC_HAS_BZ2`. See [Github #2511](https://github.com/Unidata/netcdf-c/issues/2511) and [Github #2512](https://github.com/Unidata/netcdf-c/issues/2512) for more information.
* [Enhancement] Add new options to `nc-config`: `--has-multifilters`, `--has-stdfilters`, `--has-quantize`, `--plugindir`. See [Github #2509](https://github.com/Unidata/netcdf-c/pull/2509) for more information.
