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## 0.7.0 / 2014-08-06
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* [FEATURE] Added new functions: abs(), topk(), bottomk(), drop_common_labels().
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* [FEATURE] Let console templates get graph links from expressions.
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* [FEATURE] Allow console templates to dynamically include other templates.
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* [FEATURE] Template consoles now have access to their URL.
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* [BUGFIX] Fixed time() function to return evaluation time, not wallclock time.
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* [BUGFIX] Fixed HTTP connection leak when targets returned a non-200 status.
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* [BUGFIX] Fixed link to console templates in UI.
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* [PERFORMANCE] Removed extra memory copies while scraping targets.
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* [ENHANCEMENT] Switched from Go 1.2.1 to Go 1.3.
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* [ENHANCEMENT] Made metrics exported by Prometheus itself more consistent.
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* [ENHANCEMENT] Removed incremental backoffs for unhealthy targets.
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* [ENHANCEMENT] Dockerfile also builds Prometheus support tools now.
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## 0.6.0 / 2014-06-30
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* [FEATURE] Added console and alert templates support, along with various template functions.
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* [PERFORMANCE] Much faster and more memory-efficient flushing to disk.
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* [ENHANCEMENT] Query results are now only logged when debugging.
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* [ENHANCEMENT] Upgraded to new Prometheus client library for exposing metrics.
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* [BUGFIX] Samples are now kept in memory until fully flushed to disk.
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* [BUGFIX] Non-200 target scrapes are now treated as an error.
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* [BUGFIX] Added installation step for missing dependency to Dockerfile.
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* [BUGFIX] Removed broken and unused "User Dashboard" link.
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## 0.5.0 / 2014-05-28
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* [BUGFIX] Fixed next retrieval time display on status page.
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* [BUGFIX] Updated some variable references in tools subdir.
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* [FEATURE] Added support for scraping metrics via the new text format.
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* [PERFORMANCE] Improved label matcher performance.
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* [PERFORMANCE] Removed JSON indentation in query API, leading to smaller response sizes.
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* [ENHANCEMENT] Added internal check to verify temporal order of streams.
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* [ENHANCEMENT] Some internal refactorings.
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## 0.4.0 / 2014-04-17
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* [FEATURE] Vectors and scalars may now be reversed in binary operations (`<scalar> <binop> <vector>`).
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* [FEATURE] It's possible to shutdown Prometheus via a `/-/quit` web endpoint now.
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* [BUGFIX] Fix for a deadlock race condition in the memory storage.
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* [BUGFIX] Mac OS X build fixed.
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* [BUGFIX] Built from Go 1.2.1, which has internal fixes to race conditions in garbage collection handling.
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* [ENHANCEMENT] Internal storage interface refactoring that allows building e.g. the `rule_checker` tool without LevelDB dynamic library dependencies.
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* [ENHANCEMENT] Cleanups around shutdown handling.
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* [PERFORMANCE] Preparations for better memory reuse during marshalling / unmarshalling.
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