For a more accurate overview see ohloh.
|SMW 1.9||Working on subobject parser, highlighter class ...|
|SRF 1.9||Some new formats like Help:Media format, SMWAPI based printer format such as the re-factored Help:Eventcalendar format|
|SMW 1.8||Contributions to Semantic MediaWiki 1.8.0 were related to the roadmap with extending|
|SRF 1.8||Most time was spend in extending visual query printers for SRF 1.8 which resulted in several enhancements of existing printers, reordering of the SRF folder structure, and alignment to used shared code between different format printers.
Some examples of my contribution for SRF and SMW 1.8.