new: [blog] MISP 2.4.161 released

content/blog/MISP.2.4.161.released.md

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+---
+title: MISP 2.4.161 released with small improvements and bugs fixed 
+date: 2022-08-11
+layout: post
+banner: /img/blog/workflow.png 
+---
+
+We are pleased to announce the immediate availability of [MISP v2.4.161](https://github.com/MISP/MISP/releases/tag/v2.4.161). 
+
+# Small improvements
+
+- A new option added to log the last API request of an API key. (Thanks to Tom King for the contribution)
+- Overcorrelation features have some new improvements such as:
+  - A new tool to generate occurrence counts (real numbers this time)
+  - A hook to truncate over correlating value table on recorrelation
+  - We don't longer store the partial counts as occurrences when generating correlations
+- Performance improvements in event fetching
+- Various performance tuning in the new correlation engine including the full recorrelation
+
+# Bugs fixed
+
+- `tlp:amber+strict` and `tlp:clear` are now valid tags
+- [stix2 import] Better `external_references` parsing for attack patterns objects
+
+Thanks to all the contributors and users reporting bugs to make the software better.
+