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 # Ryujinx Changelog
 All updates to the Ryujinx official master build will be documented in this file
 
+## 1.0.6587 - 2021-02-16
+### Fixed
+- Fixed a performance regression introduced in 1.0.6582 (PR 1987) involving memory tracking. The read/write flags had been inadvertently inverted.
+
 ## 1.0.6582 - 2021-02-16
 ### Changed
 - Addresses are now properly validated when the PTE is loaded from the page table.