Is there any harm in using RSS.php (or other deprecated features)?

Is there any harm in using RSS.php (or other deprecated features)?

Related Posts:

  1. Why does Simplepie return feed items in a wrong order?
  2. How to get more than 25 items via Simplepie RSS Feeds?
  3. How to set the cache for the built-in SimplePie feed parser?
  4. How to Update SimplePie
  5. Where does WordPress default SimplePie save cache data?
  6. WP HTTP Error: couldn’t connect to host for RSS feeds on same domain
  7. Unable to display favicon using get_favicon()?
  8. Passing feed URLs with “&” to fetch_feed()?
  9. RSS Feed Shows NULL When Asking For Thumbnail
  10. WordPress Plugins Feed Error, but I’m not asking for a plugins feed
  11. Get all posts in RSS
  12. How to get SimplePie fetch_feed without stripping iframe code?
  13. Cannot get add_feed to work
  14. How to create additional full text RSS feeds
  15. Custom RSS feed forces download
  16. How to add category exclusion to rss feed
  17. Style RSS Feed for a human?
  18. is it possible to get complete wordpress blog post in a rss feed?
  19. How to remove published date from RSS feed
  20. Disable only the main feed?
  21. display featured image in RSS feed
  22. Setting the language of RSS feed
  23. A function to fetch blog content via rss feed
  24. Make RSS think posts are new?
  25. Creating an RSS feed with all of the prior month’s posts
  26. RSS feed site image custom resolution
  27. Remove a certain post type from appearing in all RSS feeds
  28. How to add featured image or custom field to xml feed?
  29. How can I remove image from feed?
  30. How to disable atom feed and only use RSS feed
  31. How do I Import an RSS feed as WordPress posts without duplicates?
  32. How to remove site link from each post in RSS feed / modify output of the_excerpt_rss()?
  33. RSS Feed Behaviour (Inc. Feedburner)
  34. How can I minimize the content of my RSS feed to fit more items in Feedburner’s 512k limit?
  35. Site Rss not seen by browser
  36. Importing multiple RSS feed into WordPress and sorting them by date
  37. Custom RSS does not work for categories and tags
  38. RSS Widget on theme
  39. Dynamically import posts from one wordpress site to another
  40. how improve website mainpage loading
  41. Add ![CDATA] to permalink rss
  42. Feeds not working on my wordpress site
  43. restricted rss feed
  44. How often does the RSS widget get updates?
  45. Out of memory errors – anon-rss or file-rss?
  46. How to modify the image size in RSS (mailchimp compatibility)?
  47. Showing Post ID on RSS
  48. How to use force_feed with fetch_feed
  49. fetch_feed works on localhost but not on server
  50. Feed only showing 1 result? [closed]
  51. How to make this plugin more efficient
  52. RSS Feed Empty in Firefox
  53. Display RSS feed using pagination
  54. fetch_feed returning rss feeds on same server as empty
  55. Email notification of new posts that match query
  56. Remove ‘More..’ link from RSS feed
  57. How do I use fetch_feed() to pull in a large number of posts?
  58. Help with Magpierss and WordPress
  59. CDATA error for RSS feed
  60. Create an RSS feed of all posts
  61. How to add logo to rss feed
  62. I’m not able to get RSS feed working. I get ‘XML parsing failed’
  63. Reply via email (mailto link) in RSS feed at the end of each post
  64. I want to remove “continue reading…” in rss feed
  65. Second page of RSS feed
  66. How do I get my podcast feed created?
  67. RSS feed widget for specific categories with latest posts?
  68. WordPress keeps truncating my feeds and I can’t stop it
  69. Showing RSS feed via fetch_feed. How to show the site title of the feed?
  70. Style wordpress image captions in RSS
  71. How to add RSS Icon/link as a widget?
  72. RSS feed error stopping parsing of page template
  73. WP Job Manager: adding Company and Location values to RSS feed
  74. Custom RSS Feed Overwrites Permalink
  75. What is the difference between these GUID’s in wordpress feed?
  76. Code to mimic the RSS widget
  77. Change pubDate in rss feed in another format
  78. How to remove private posts from RSS feeds?
  79. Preventing RSS feeds access to the authenticated uses only
  80. RSS – This XML file does not appear to have any style information associated with it. The document tree is shown below
  81. Theme’s functions.php not called when rendering RSS feed
  82. Custom RSS formatting
  83. Medium Rss feed is not parsing in wordpress
  84. Update postdata without creating duplicate on wp_insert_post from RSS feed
  85. Help with WordPress RSS Validation Error
  86. Prevent incoming $_GET requests
  87. How to get RSS feed for custom field in post
  88. Importing large number of RSS feeds
  89. JW Player – How to genrate RSS of video playlist in wordpress
  90. RSS Feed setting limit for email subscriptions
  91. Show posts without content in RSS 2 FEED
  92. Send value to RSS feed to create custom feed
  93. are there any downsides to increasing the number of most recent items in a feed
  94. Full sized images in RSS Feed
  95. RSS feed not displaying excerpt text?
  96. Create a “feed” from one WordPress site to another?
  97. RSS Feed broken
  98. images are broken
  99. Editing wp-includes/feed.php
  100. Remove or truncate site rss in
tech