### ClickHouse release v20.8.10.13-lts FIXME as compared to v20.8.9.6-lts

#### Bug Fix
* Backported in [#17967](https://github.com/ClickHouse/ClickHouse/issues/17967): Fix [#15235](https://github.com/ClickHouse/ClickHouse/issues/15235). When clickhouse-copier handle non-partitioned table, throws segfault error. [#17248](https://github.com/ClickHouse/ClickHouse/pull/17248) ([Qi Chen](https://github.com/kaka11chen)).
* Backported in [#18155](https://github.com/ClickHouse/ClickHouse/issues/18155): fix incorrect initialize `max_compress_block_size` of MergeTreeWriterSettings with `min_compress_block_size`. [#17833](https://github.com/ClickHouse/ClickHouse/pull/17833) ([flynn](https://github.com/ucasfl)).