# nikiroo-utils
+## Version 4.5.2
+
+- Serial: fix b64/not b64 error
+- Serial: perf improvement
+- Base64: perf improvement
+- new: Proxy selector
+
+## Version 4.5.1
+
+- Progress: fix deadlock in rare cases
+
## Version 4.5.0
- Base64: allow access to streams