[wp-trac] [WordPress Trac] #59966: PHPMailer: Update to v6.9.1

[WordPress Trac]

#59966: PHPMailer: Update to v6.9.1
--------------------------------+-----------------------------
 Reporter:  jrf                 |       Owner:  SergeyBiryukov
     Type:  task (blessed)      |      Status:  closed
 Priority:  normal              |   Milestone:  6.5
Component:  External Libraries  |     Version:  6.4
 Severity:  normal              |  Resolution:  fixed
 Keywords:  needs-patch         |     Focuses:
--------------------------------+-----------------------------
Changes (by SergeyBiryukov):

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


Comment:

 In [changeset:"57137" 57137]:
 {{{
 #!CommitTicketReference repository="" revision="57137"
 External Libraries: Upgrade PHPMailer to version 6.9.1.

 This is a maintenance and feature release, adding support for the official
 release of PHP 8.3, methods for removing and replacing custom headers,
 XCLIENT support, and links to a new way of implementing XOAUTH2
 authentication.

 The only change likely to have any impact on existing code is that
 PHPMailer previously attempted to use opportunistic STARTTLS encryption
 when connecting to `localhost`, which was unlikely to work. The workaround
 required setting `SMTPAutoTLS = false`, but that's no longer required. You
 may still need to use this setting when connecting to literal IPs.

 References:
 * [https://github.com/PHPMailer/PHPMailer/releases/tag/v6.9.1 PHPMailer
 6.9.1 release notes]
 * [https://github.com/PHPMailer/PHPMailer/compare/v6.8.1...v6.9.1 Full
 list of changes in PHPMailer 6.9.1]

 Follow-up to [50628], [50799], [51169], [51634], [51635], [52252],
 [52749], [52811], [53500], [53535], [53917], [54427], [54937], [55557],
 [56484].

 Props jrf, Synchro.
 Fixes #59966.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/59966#comment:1>
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