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+# v5.1.0
+- [#1351](https://github.com/xmrig/xmrig/pull/1351) RandomX optimizations and fixes.
+ - Improved RandomX performance (up to +6-7% on Intel CPUs, +2-3% on Ryzen CPUs)
+ - Added workaround for Intel JCC erratum bug see https://www.phoronix.com/scan.php?page=article&item=intel-jcc-microcode&num=1 for details.
+ - Note! Always disable "Hardware prefetcher" and "Adjacent cacheline prefetch" in BIOS for Intel CPUs to get the optimal RandomX performance.
+- [#1307](https://github.com/xmrig/xmrig/issues/1307) Fixed mining resume after donation round for pools with `self-select` feature.
+- [#1318](https://github.com/xmrig/xmrig/issues/1318#issuecomment-559676080) Added option `"mode"` (or `--randomx-mode`) for RandomX.
+ - Added memory information on miner startup.
+ - Added `resources` field to summary API with memory information and load average.
+
# v5.0.1
- [#1234](https://github.com/xmrig/xmrig/issues/1234) Fixed compatibility with some AMD GPUs.
- [#1284](https://github.com/xmrig/xmrig/issues/1284) Fixed build without RandomX.