Collective.solr

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- Fix serialization of image_scales metadata when it is included in the schema
[davisagli]

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- Add support for Plone 6.0
[tisto]

- Add support for Python 3.9
[tisto]

- Drop support for Python 3.7
[tisto]

- Add support for Solr 9 and 9.1
[tisto]

- Explicitly set required=False to all "Bool" zope.schema fields in the ISolrSchema interface. zope.schema does not fall back to default=False by default (see https://github.com/zopefoundation/zope.schema/blob/master/CHANGES.rst#611-2021-10-13)
[tisto]

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- Do not fail when a content type does not provide a primary field when Tika is enabled
[tisto]

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Bugfix:

- Fix multipart error on search
[reebalazs]

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New Feature:

- Allow search accross multiple SolR cores on the same server by using `core` parameter
[mpeeters]

Bugfix:

- Fix check on ``Access inactive portal content`` permission in search results.
It also takes local permission (ex: sharing) into account now (not only site-wide permission).
[laulaz]

- Fix transaction abort on blob missing during syncing and indexing

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Breaking:

- Use 'content' as default field for Tika indexing instead of 'SearchableText'
[tisto]

New Feature:

- Add new tika_default_field setting
[tisto]

Internal:

- Remote utf-8 encoding lines
[tisto]

- Sort Python imports
[tisto]