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Further items.
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Signed-off-by: Bartek Plotka <[email protected]>
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bwplotka committed Apr 18, 2019
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## Unreleased

## [v0.4.0-rc.0](https://github.com/improbable-eng/thanos/releases/tag/v0.4.0-rc.0) - 2019.04.12
## [v0.4.0-rc.0](https://github.com/improbable-eng/thanos/releases/tag/v0.4.0-rc.0) - 2019.04.18

:warning: **IMPORTANT** :warning: This is the last release that supports gossip. From Thanos v0.5.0, gossip will be completely removed.

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- [#905](https://github.com/improbable-eng/thanos/pull/905) Thanos support for Query API: /api/v1/labels. Notice that the API was added in Prometheus v2.6.
- [#798](https://github.com/improbable-eng/thanos/pull/798) Ability to limit the maximum number of concurrent request to Series() calls in Thanos Store and the maximum amount of samples we handle.

:warning: **WARNING** :warning: #798 adds a new default limit to Thanos Store: `--store.grpc.series-max-concurrency`. Most likely you will want to make it the same as `--query.max-concurrent` on Thanos Query.

New options:

New Store flags:
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New Compactor flag: `--index.generate-missing-cache-file` was added to allow quicker addition of index cache files. If enabled it precomputes missing files on compactor startup. Note that it will take time and it's only one-off step per bucket.

:warning: **WARNING** :warning: #798 adds a new default limit to Thanos Store: `--store.grpc.series-max-concurrency`. Most likely you will want to make it the same as `--query.max-concurrent` on Thanos Query.

- [#887](https://github.com/improbable-eng/thanos/pull/887) Compact: Added new `--block-sync-concurrency` flag, which allows you to configure number of goroutines to use when syncing block metadata from object storage.

- [#928](https://github.com/improbable-eng/thanos/pull/928) Query: Added `--store.response-timeout` flag. If a Store doesn't send any data in this specified duration then a Store will be ignored and partial data will be returned if it's enabled. 0 disables timeout.
- [#893](https://github.com/improbable-eng/thanos/pull/893) S3 storage backend has graduated to `stable` maturity level.
- [#936](https://github.com/improbable-eng/thanos/pull/936) Azure storage backend has graduated to `stable` maturity level.
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- [#963](https://github.com/improbable-eng/thanos/pull/963) GCS: added possibility to inline ServiceAccount into GCS config.
- [#1010](https://github.com/improbable-eng/thanos/pull/1010) Compact: added new flag `--compact.concurrency`. Number of goroutines to use when compacting groups.
- [#1028](https://github.com/improbable-eng/thanos/pull/1028) Query: added `--query.default-evaluation-interval`, which sets default evaluation interval for sub queries.
- [#980](https://github.com/improbable-eng/thanos/pull/980) Ability to override Azure storage endpoint for other regions (China)
- [#1021](https://github.com/improbable-eng/thanos/pull/1021) Query API `series` now supports POST method.
- [#939](https://github.com/improbable-eng/thanos/pull/939) Query API `query_range` now supports POST method.

### Changed

- [#970](https://github.com/improbable-eng/thanos/pull/970) Deprecated partial_response_disabled proto field. Added partial_response_strategy instead. Both in gRPC and Query API.
- [#970](https://github.com/improbable-eng/thanos/pull/970) Deprecated `partial_response_disabled` proto field. Added `partial_response_strategy` instead. Both in gRPC and Query API.
No `PartialResponseStrategy` field for `RuleGroups` by default means `abort` strategy (old PartialResponse disabled) as this is recommended option for Rules and alerts.

Metrics:
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Whoever due to nature of Thanos compaction (distributed systems), for safety reason this is disabled for Thanos compactor for now.

- [#868](https://github.com/improbable-eng/thanos/pull/868) Go has been updated to 1.12.
- [#1055](https://github.com/improbable-eng/thanos/pull/1055) Gossip flags are now disabled by default and deprecated.

### Fixed

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- [#933](https://github.com/improbable-eng/thanos/pull/933) Query: Fixed 30 seconds lag of adding new store to query.
- [#962](https://github.com/improbable-eng/thanos/pull/962) Sidecar: Make config reloader file writes atomic.
- [#982](https://github.com/improbable-eng/thanos/pull/982) Query: now advertises Min & Max Time accordingly to the nodes.
- [#1041](https://github.com/improbable-eng/thanos/issues/1038) Ruler is now able to return long time range queries.
- [#904](https://github.com/improbable-eng/thanos/pull/904) Compact: Skip compaction for blocks with no samples.

## [v0.3.2](https://github.com/improbable-eng/thanos/releases/tag/v0.3.2) - 2019.03.04

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