Changes from 5.16.0:
- Bugfixes:
  - FIXED: deduplication of route steps when waypoints are used [#4909](https://github.com/Project-OSRM/osrm-backend/issues/4909)
  - FIXED: Use smaller range for U-turn angles in map-matching [#4920](https://github.com/Project-OSRM/osrm-backend/pull/4920)
  - FIXED: Remove the last short annotation segment in `trimShortSegments` [#4946](https://github.com/Project-OSRM/osrm-backend/pull/4946)
  - FIXED: Properly calculate annotations for speeds, durations and distances when waypoints are used with mapmatching [#4949](https://github.com/Project-OSRM/osrm-backend/pull/4949)
  - FIXED: Don't apply unimplemented SH and PH conditions in OpeningHours and add inversed date ranges [#4992](https://github.com/Project-OSRM/osrm-backend/issues/4992)
- Profile:
  - CHANGED: Handle oneways in get_forward_backward_by_key [#4929](https://github.com/Project-OSRM/osrm-backend/pull/4929)
  - FIXED: Do not route against oneway road if there is a cycleway in the wrong direction; also review bike profile [#4943](https://github.com/Project-OSRM/osrm-backend/issues/4943)
- Guidance:
  - CHANGED: Don't use obviousness for links bifurcations [#4929](https://github.com/Project-OSRM/osrm-backend/pull/4929)
  - FIXED: Adjust Straight direction modifiers of side roads in driveway handler [#4929](https://github.com/Project-OSRM/osrm-backend/pull/4929)
  - CHANGED: Added post process logic to collapse segregated turn instructions [#4925](https://github.com/Project-OSRM/osrm-backend/pull/4925)
  - ADDED: Maneuver relation now supports `straight` as a direction [#4995](https://github.com/Project-OSRM/osrm-backend/pull/4995)
  - FIXED: Support spelling maneuver relation with British spelling [#4950](https://github.com/Project-OSRM/osrm-backend/issues/4950)
- Tools:
  - ADDED: `osrm-routed` accepts a new property `--memory_file` to store memory in a file on disk. [#4881](https://github.com/Project-OSRM/osrm-backend/pull/4881)
  - ADDED: `osrm-datastore` accepts a new parameter `--dataset-name` to select the name of the dataset. [#4982](https://github.com/Project-OSRM/osrm-backend/pull/4982)
  - ADDED: `osrm-datastore` accepts a new parameter `--list` to list all datasets loaded into memory. [#4982](https://github.com/Project-OSRM/osrm-backend/pull/4982)
  - ADDED: `osrm-datastore` accepts a new parameter `--only-metric` to only reload the data that can be updated by a weight update (reduces memory for traffic updates). [#5002](https://github.com/Project-OSRM/osrm-backend/pull/5002)
  - ADDED: `osrm-routed` accepts a new parameter `--dataset-name` to select the shared-memory dataset to use. [#4982](https://github.com/Project-OSRM/osrm-backend/pull/4982)
- NodeJS:
  - ADDED: `OSRM` object accepts a new option `memory_file` that stores the memory in a file on disk. [#4881](https://github.com/Project-OSRM/osrm-backend/pull/4881)
  - ADDED: `OSRM` object accepts a new option `dataset_name` to select the shared-memory dataset. [#4982](https://github.com/Project-OSRM/osrm-backend/pull/4982)
- Internals
  - CHANGED: Updated segregated intersection identification [#4845](https://github.com/Project-OSRM/osrm-backend/pull/4845) [#4968](https://github.com/Project-OSRM/osrm-backend/pull/4968)
  - REMOVED: Remove `.timestamp` file since it was unused [#4960](https://github.com/Project-OSRM/osrm-backend/pull/4960)
- Documentation:
  - ADDED: Add documentation about OSM node ids in nearest service response [#4436](https://github.com/Project-OSRM/osrm-backend/pull/4436)
- Performance
  - FIXED: Speed up response time when lots of legs exist and geojson is used with `steps=true` [#4936](https://github.com/Project-OSRM/osrm-backend/pull/4936)
  - FIXED: Return iterators instead of vectors in datafacade_base functions [#4969](https://github.com/Project-OSRM/osrm-backend/issues/4969)
- Misc:
  - ADDED: expose name for datasource annotations as metadata [#4973](https://github.com/Project-OSRM/osrm-backend/pull/4973)