Fixed Dutch translation of IBAN message
merged branch XWB/dutch-typo (PR #7763)

This PR was merged into the master branch.

Discussion
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Fixed Dutch translation of IBAN message

Commits
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7e9fc23 Fixed Dutch translation of IBAN message
merged branch WouterJ/patch-2 (PR #7762)

This PR was merged into the master branch.

Discussion
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[VALIDATOR] Dutch translation of ISSN message

Added dutch translation of the ISSN message (added in #7756 )

Commits
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d336979 [VALIDATOR] Dutch translation of ISSN message
Fixed PHPDocs
merged branch pborreli/phpdocs (PR #7764)

This PR was merged into the master branch.

Discussion
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Fixed PHPDocs

Commits
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7cfa661 Fixed PHPDocs
Fixed typos
merged branch pborreli/grammar-typo (PR #7768)

This PR was merged into the master branch.

Discussion
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Fixed typos

Commits
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0a12fd6 Fixed typos
[Validator] added missing estonian translation of messages
merged branch kgilden/trans_et (PR #7769)

This PR was merged into the 2.1 branch.

Discussion
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[Validator] added missing estonian translation of messages

| Q             | A
| ------------- | ---
| Fixed tickets | -
| License       | MIT

Commits
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efff50a [Validator] added missing estonian translation of messages
Removed trailing whitespace
merged branch pborreli/patch-9 (PR #7770)

This PR was merged into the 2.1 branch.

Discussion
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Removed trailing whitespace

Commits
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20d6fd8 Removed trailing whitespace
Mitigate dependency upon ConfigCache
merged branch webfactory/issue-7230/picks/cache-file-utils (PR #7753)

This PR was squashed before being merged into the master branch (closes #7753).

Discussion
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Mitigate dependency upon ConfigCache

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes (refactoring)
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        | todo, issue is symfony/symfony-docs#2531

Some clients use ConfigCache only for its ability to atomically write into a file.

The PR moves that code into the Filesystem component.

It's a pick off #7230.

__To-Do:__
- [ ] Update docs for the Filesystem component

Commits
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3158c41 Mitigate dependency upon ConfigCache
[Config] added missing dep in composer.json
Added trailing dot
fix DateTimeToLocalizedStringTransformer issue #7561, add tests
merged branch pborreli/dot-ar (PR #7771)

This PR was merged into the master branch.

Discussion
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Added trailing dot

Commits
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59a9a21 Added trailing dot
merged branch jaugustin/fix-DateTimeToLocalizedStringTransformer-7561 (PR #7772)

This PR was merged into the master branch.

Discussion
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fix DateTimeToLocalizedStringTransformer issue #7561

this PR fix #7561 issue:

This fix possible issue with new `\DateTime` throwing `Exception` not handled by the transformer.

Commits
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6ccbbe9 fix DateTimeToLocalizedStringTransformer issue #7561, add tests
Updated LB translations
merged branch mweimerskirch/patch-14 (PR #7773)

This PR was merged into the master branch.

Discussion
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Updated Luxembourgish translations

Commits
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92bfc0b Updated LB translations