          legacy_update = self._update_legacy_config()
          # Add any new items to state config for legacy purposes
          for key, val in _CONFIG.items():
              if key not in self._config.keys():
                  logger.info("Adding new config item to state file: '%s': '%s'", key, val)
                  self._config[key] = val
          self._update_changed_config_items(config_changeable_items)
          logger.debug("Replacing config. Old config: %s", _CONFIG)
          _CONFIG = self._config
          if legacy_update:
              self.save()
 
</s> remove         # Add any new items to state config for legacy purposes
 </s> add         # Add any new items to state config for legacy purposes and set sensible defaults for
        # any values that may have been changed in the config file which could be detrimental.
        legacy_defaults = dict(centering="legacy",
                               mask_loss_function="mse",
                               l2_reg_term=100,
                               optimizer="adam",
                               mixed_precision=False) </s> remove         for sect in ("global", self.section):
 </s> add         sections = [sect for sect in self.config.sections() if sect.startswith("global")]
        for sect in sections + [self.section]: </s> remove                 face.load_aligned(self._active_frame.current_frame,
                                  size=self.face_size,
                                  force=True)
                image = face.aligned_face
                face.aligned = dict()
 </s> add                 image = AlignedFace(face.landmarks_xy,
                                    image=self._active_frame.current_frame,
                                    centering=self._centering,
                                    size=self.face_size).face </s> remove             face.feed = dict()
 </s> add         del batch["feed_faces"] </s> remove                           face.feed_matrix,
                          face.feed_interpolators[1],
 </s> add                           feed_face.adjusted_matrix,
                          feed_face.interpolators[1],
                setting = legacy_defaults.get(key, val)
                logger.info("Adding new config item to state file: '%s': '%s'", key, setting)
                self._config[key] = setting
          legacy_update = self._update_legacy_config()
          # Add any new items to state config for legacy purposes
          for key, val in _CONFIG.items():
              if key not in self._config.keys():
                setting = legacy_defaults.get(key, val)
                logger.info("Adding new config item to state file: '%s': '%s'", key, setting)
                self._config[key] = setting
                setting = legacy_defaults.get(key, val)
                logger.info("Adding new config item to state file: '%s': '%s'", key, setting)
                self._config[key] = setting
          self._update_changed_config_items(config_changeable_items)
          logger.debug("Replacing config. Old config: %s", _CONFIG)
          _CONFIG = self._config
          if legacy_update:
              self.save()
keep keep keep keep replace replace keep keep keep keep keep
 Extract - Increase area and move centering (#1095)

* Extract
  - Implement aligner re-feeding
  - Add extract type to pipeline.ExtractMedia
  - Add pose annotation to debug
* Convert
  - implement centering
  - remove usage of feed and reference face properties
  - Remove distributed option from convert
  - Force update of alignments file on legacy receive
* Train
  - Resize preview image to model output size
  - Force legacy centering if centering does not exist in model's state file
  - Enable training on legacy face sets

* Alignments Tool
  - Update draw to include head/pose
  - Remove DFL drop + linting
  - Remove remove-frames job
  - remove align-eyes option
  - Update legacy masks to new extract type
  - Exit if attempting to merge version 1.0 alignments files with version 2.0 alignments files
  - Re-generate thumbnails on legacy upgrade
* Mask Tool
  - Update for new extract + bugfix full frame
* Manual Tool
  - Update to new extraction method
   - Disable legacy alignments,
   - extract box bugfix
   - extract faces - size to 512 and center on head
* Preview Tool
  - Display based on model centering
* Sort Tool
  - Use alignments for sort by face

* lib.aligner
  - Add Pose Class
  - Add AlignedFace Class
  - center _MEAN_FACE on x
  - Add meta information with versioning to alignments file
  - lib.aligner.get_align_matrix to use landmarks not face
  - Refactor aligned faces in lib.faces_detect
* lib.logger
  - larger file log padding
* lib.config
  - Fix global changeable_items
* lib.face_filter
  - Use new extracted face images
* lib.image
  - bump thumbnail default size to 96px 
plugins/train/model/_base.py