[wp-trac] [WordPress Trac] #64376: redirect_canonical() causes unnecessary 301 redirects for query string encoding variants (+ vs %20)

[WordPress Trac]

#64376: redirect_canonical() causes unnecessary 301 redirects for query string
encoding variants (+ vs %20)
----------------------------+------------------------------
 Reporter:  robbertvancaem  |       Owner:  (none)
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Canonical       |     Version:  6.8.3
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:
----------------------------+------------------------------
Changes (by iflairwebtechnologies):

 * keywords:   => has-patch


Comment:

 When redirect_canonical() rebuilt URLs, it sometimes triggered 301
 redirects
 only because the query string used an encoded variant (e.g. " " vs "%20"
 or "+").
 This change compares decoded URLs and suppresses redirects when decoded
 forms
 are identical, avoiding harmful encoding-only 301s that cause caching
 issues
 and break tracking parameters. See Trac #64376.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64376#comment:1>
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