Added

• Made the histogram truncate option a function argument for update_histogram/4 (#56)
• Made metric name formatting more efficient (#62, #74)
• Support passing extra subscribe_options to reporters that accept them (#57, #58)
• Support all Elixir time units (#72)
• Support using system environment variables in :env configuration (#80)
• Support filtering datapoints in subscriptions (#91)
• Support wildcard keys (#97)
• Add typespecs to public Elixometer methods (#107)
• Support configuring the formatter using a module in addition to a function ref (#114)
• Support for bulk subscriptions to get all metrics at once (#134)

Changed

• Elixometer now requires Elixir 1.5 or later
• Lager 3.2.1 or later is now required
• :exometer_core 1.5 or later is now required

Bug fixes

• Fix @timed function attribute to correctly time function body (#100, #101)