Sourced from postcss's releases.

8.5.25

• Fixed 8.5.17 visitor regression.
• Fixed list.split() for non-string values (by @​amir-rezaei).

8.5.24

• Preserve the BOM after the processing (by @​hdimer).

8.5.23

• Do not load source map without opts.from for security reasons.

8.5.22

• Fixed custom property losing semicolon before a comment (by @​sarathfrancis90).

8.5.21

• Fixed childless at-rule losing semicolon before comment (by @​sarathfrancis90).
• Fixed docs (by @​isker).

8.5.20

• Fixed missing space if AtRule#params is set after (by @​sarathfrancis90).
• Fixed mixing AST error on warnings (by @​MahinAnowar).

8.5.19

• Fixed cleaning before for new nodes inserted to Root (by @​MahinAnowar).

8.5.18

• Restricted loading previous source maps file to the opts.from folder for security reasons (use unsafeMap: true to disable the check).

8.5.17

• Fixed Maximum call stack size exceeded error.
• Fixed Prototype hijacking for postcss.fromJSON().
• Fixed Input#origin() for unmapped end position (by @​chatman-media).

8.5.16

• Fixed Input#origin() position (by @​mizdra).
• Fixed raws after rehydrating a JSON AST (by @​sarathfrancis90).
• Fixed putting parent-less node in nodes of new node (by @​MahinAnowar).
• Fixed computing offset in positionBy() (by @​greymoth-jp).
• Fixed rangeBy() on index: 0 (by @​sarathfrancis90).

Sourced from postcss's changelog.

8.5.25

• Fixed 8.5.17 visitor regression.
• Fixed list.split() for non-string values (by @​amir-rezaei).

8.5.24

• Preserve the BOM after the processing (by @​hdimer).

8.5.23

• Do not load source map without opts.from for security reasons.

8.5.22

• Fixed custom property losing semicolon before a comment (by @​sarathfrancis90).

8.5.21

• Fixed childless at-rule losing semicolon before comment (by @​sarathfrancis90).
• Fixed docs (by @​isker).

8.5.20

• Fixed missing space if AtRule#params is set after (by @​sarathfrancis90).
• Fixed mixing AST error on warnings (by @​MahinAnowar).

8.5.19

• Fixed cleaning before for new nodes inserted to Root (by @​MahinAnowar).

8.5.18

• Restricted loading previous source maps file to the opts.from folder for security reasons (use unsafeMap: true to disable the check).

8.5.17

• Fixed Maximum call stack size exceeded error.
• Fixed Prototype hijacking for postcss.fromJSON().
• Fixed Input#origin() for unmapped end position (by @​chatman-media).

8.5.16

• Fixed Input#origin() position (by @​mizdra).
• Fixed raws after rehydrating a JSON AST (by @​sarathfrancis90).
• Fixed putting parent-less node in nodes of new node (by @​MahinAnowar).
• Fixed computing offset in positionBy() (by @​greymoth-jp).
• Fixed rangeBy() on index: 0 (by @​sarathfrancis90).

• 08c989c Release 8.5.25 version
• 24f6814 Fix 8.5.17 visitor regression
• f2fa53f Add supply chain security requirement to PostCSS plugin guide
• 10edf0b fix: return empty array for empty string in list.split (#2121)
• 0ebe8ad Release 8.5.24 version
• 73218c6 Update dependencies
• 9a114f6 Preserve the BOM when stringifying (#2119)
• 9069261 Fix types check
• eb9e1fe Release 8.5.23 version
• 9d19c78 Update dependencies
• Additional commits viewable in compare view

This version was pushed to npm by GitHub Actions, a new releaser for postcss since your current version.