This is bug fix release of 2.1.0. All of 2.1.0 users should use 2.1.1 instead.
Use 2.1.1 instead of 2.1.0. 2.1.0 has a serious bug related KEY_NORMALIZE.
This release has backward incompatible changes against table_list and column_list commands. If you use own program which depends on the output results above commands, you need to support null instead of "null" string.
This release has supported --normalizer option, but there is side effect for this feature. If you open old version of groonga database at least once, you can not open its database by old version of groonga.
There is also another backward incompatible change agaist plugin API for tokenizer. The argument of grn_tokenizer_query_open API has changed. This API change affects developer of tokenizer plugin.
The package sign key is changed since this release. Import the new package sign key before updating groogna packages.
% sudo apt-get update % sudo apt-get -y --allow-unauthenticated install groonga-keyring
% sudo yum makecache % sudo yum install --nogpgcheck -y groonga-repository