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1.0.1

• Specify the order in which state fields will be printed in the error logs. #614
• Fix clock selection #626
• Log messages in the default handle_info implementation #680
• Fix typespecs in Membrane.UtilitySupervisor #681
• Improve callback return types and group actions types #702
• Add crash_reason to handle_crash_group_down/3 callback context in bins and pipelines. #720

1.0.0

• Introduce :remove_link action in pipelines and bins.
• Add children groups - a mechanism that allows refering to multiple children with a single identifier.
• Rename remove_child action into remove_children and allow for removing a children group with a single action.
• Add an ability to spawn anonymous children.
• Replace Membrane.Time.round_to_<unit_name> with Membrane.Time.as_<unit_name>/2 with second argument equal :round. Rename Membrane.Time.round_to_timebase to Membrane.Time.divide_by_timebase/2. #494
• Remove :playback action. Introduce :setup action. #496
• Add Membrane.Testing.Pipeline.get_child_pid/2. #497
• Make callback contexts to be maps. #504
• All Membrane Elements can be compatible till now on - pads working in :pull mode, handling different demand_units, can be now linked.
• Output pads working in :pull mode should have their demand_unit specified. If case it's not available, it's assumed that the pad handles demands in both :bytes and :buffers units.
• Rename callbacks handle_process/4 and handle_write/4 to handle_buffer/4 in #506
• The flow control of the pad is now set with a single :flow_control option instead of :mode and :demand_mode options.
• Remove _t suffix from types #509
• Implement automatic demands in Membrane Sinks and Endpoints. #512
• Add handle_child_pad_removed/4 callback in Bins and Pipelines. #513
• Introduce support for crash groups in Bins. #521
• Remove assert_pipeline_play/2 from Membrane.Testing.Assertions. #528
• Make sure enumerable with all elements being Membrane.Buffer.t(), passed as :output parameter for Membrane.Testing.Source won't get rewrapped in Membrane.Buffer.t() struct.
• Implement Membrane.Debug.Filter and Membrane.Debug.Sink. #552
• Add :pause_auto_demand and :resume_auto_demand actions. #586
• Send :end_of_stream, even if it is not preceded by :start_of_stream. #557
• Fix process leak in starting clocks. #594
• Add child exit reason to the supervisor exit reason. #595
• Remove default implementation of start_/2, start_link/2 and terminate/2 in modules using Membrane.Pipeline. #598
• Remove callback Membrane.Element.WithInputPads.handle_buffers_batch/4. #601
• Sort component state fields in the error logs in the order from the most to the least important. #614

0.11.0

• Separate elementname and pad arguments in handle_element{start, end}_of_stream signature #219
• Refine communication between parent and its children #270
• Add handle_call/3 callback in the pipeline, as well as a :reply and :reply_to actions. Rename handle_other/3 callback into handle_info/3 #334
• Add Membrane.FilterAggregator that allows to run multiple filters sequentially within one process. #355
• Log info about element's playback state change as debug, not as debug_verbose. #430
• Rename Membrane.Time.to_<unit name>/1 into Membrane.Time.round_to_<unit name>/1 to indicate that the result will be rounded. Make Membrane.Time.<plural unit name>/1 accept %Ratio{} as an argument. Add Membrane.Time.round_to_timebase function.
• New spec action syntax - the structure of pipeline is now defined with the use of Membrane.ChildrenSpec
• Rename :caps to :stream_format.
• Use Elixir patterns as :accepted_format in pad definition.
• Delete :ok from tuples returned from callbacks.
• Remove :type from specs passed to def_options/1 macro in bins and elements.
• Add Membrane.Testing.MockResourceGuard.

0.10.0

• Remove all deprecated stuff #399
• Make Membrane.Pipeline.{prepare, play, stop} deprecated and add :playback action instead
• Make Membrane.Pipeline.stop_and_terminate deprecated and add Membrane.Pipeline.terminate/2 instead
• Add Membrane.RemoteControlled.Pipeline - a basic implementation of a Membrane.Pipeline that can be spawned and controlled by an external process #366
• Disallow sending buffers without sending caps first #341
• Refine the Membrane.Testing.Pipeline API - deprecate the Membrane.Testing.Pipeline.Options usage, use keyword list as options in Membrane.Testing.Pipeline.start/1 and Membrane.Testing.Pipeline.start_link/1

0.9.0

• Automatic demands #313
• Stop forwarding notifications by default in bins #358
• More fine-grained control over emitted metrics #365

### PRs not influencing public API:

• Added log metadata when reporting init in telemetry #376
• Fix generation of pad documentation inside an element #377
• Leaving static pads unlinked and transiting to a playback state other than :stopped will result in runtime error (previously only a warning was printed out). #389
• It is possible now to assert on crash group down when using Testing.Pipeline. #391

0.8.2

• Fixed PadAdded spec #359

PRs not influencing public API:

• Prevent internal testing notifications from reaching pipeline module #350
• Fix unknown node error on distribution changes #352
• Add new type of element, Membrane.Endpoint #382

0.8.1

• allow telemetry in version 1.0 only #347

PRs not influencing public API:

• fix action enforcing CHANGELOG update with PR #345
• Release membrane_core v0.8.1 #348

0.8.0

Release notes:

• PTS and DTS timestamps were added to Membrane.Buffer structure explicitly. Timestamps should no longer live in Membrane.Buffer.metadata field #335.

PRs not influencing public API:

• add CHANGELOG update verification #340
• action enforcing changelog fix #342
• bump version to 0.8.0 #344