[wp-trac] [WordPress Trac] #55277: Update PHPMailer to 6.6.0

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Mon Feb 28 21:36:39 UTC 2022

#55277: Update PHPMailer to 6.6.0
 Reporter:  jrf                 |       Owner:  SergeyBiryukov
     Type:  task (blessed)      |      Status:  closed
 Priority:  normal              |   Milestone:  6.0
Component:  External Libraries  |     Version:  trunk
 Severity:  normal              |  Resolution:  fixed
 Keywords:  needs-patch         |     Focuses:
Changes (by SergeyBiryukov):

 * owner:  (none) => SergeyBiryukov
 * status:  new => closed
 * resolution:   => fixed


 In [changeset:"52811" 52811]:
 #!CommitTicketReference repository="" revision="52811"
 External Libraries: Upgrade PHPMailer to version 6.6.0.

 This is a minor feature release.

 > Prior to this version, any OAuth provider needed to extend the provided
 `OAuth` base class, and this made it difficult to use with libraries other
 than ones based on the default
 [https://github.com/thephpleague/oauth2-client league] client packages.
 The OAuth property now accepts anything that implements the
 `OAuthProviderInterface`, making it much easier to use things like
 [https://github.com/googleapis/google-api-php-client Google's own OAuth
 classes]. Existing implementations that extend the provided `OAuth` base
 class will still work, as that base class now implements this interface
 > When TLS errors occurred in PHPMailer, the error messages were often
 missing important info that might help diagnose/solve the problem. These
 error messages should now be more informative. A minor change is that a
 TLS error on SMTP connect will now throw an exception if exceptions are

 Release notes:

 For a full list of changes in this update, see the PHPMailer GitHub:

 Follow-up to [50628], [50799], [51169], [51634], [51635], [52252],

 Props jrf, Synchro, miken32.
 Fixes #55277.

Ticket URL: <https://core.trac.wordpress.org/ticket/55277#comment:1>
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