+nanopb-0.2.4
+ Remove the deprecated NANOPB_INTERNALS functions from public API.
+ Document the security model.
+ Check array and bytes max sizes when encoding (issue 90)
+ Add #defines for maximum encoded message size (issue 89)
+ Add #define tags for extension fields (issue 93)
+ Fix MISRA C violations (issue 91)
+ Clean up pb_field_t definition with typedefs.
+
+nanopb-0.2.3
+ Improve compatibility by removing ternary operator from initializations (issue 88)
+ Fix build error on Visual C++ (issue 84, patch by Markus Schwarzenberg)
+ Don't stop on unsupported extension fields (issue 83)
+ Add an example pb_syshdr.h file for non-C99 compilers
+ Reorganize tests and examples into subfolders (issue 63)
+ Switch from Makefiles to scons for building the tests
+ Make the tests buildable on Windows
+
nanopb-0.2.2
Add support for extension fields (issue 17)
Fix unknown fields in empty message (issue 78)