OpenGFX 0.3.4 (24 May 2011)
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- Feature: New arctic trees
- Feature: New temperate trees
- Feature / Fix: Reduce the size of the sand beaches in order to make less apparent a glitch with some coast corners (#2137)
- Feature: Rework factory, improving esp. the transparent view and construction stages
- Feature: Rework transparent view and building stages of the steel mill
- Feature: [Makefile] Optionally use nml to generate (some) pnfo files
- Feature: [Makefile] Allow source bundles in xz, zip, gzip and bzip2 format; use xz by default

- Change: Temperate and arctic farms retouched
- Change: Tricaro helicopter with new sprites (#2118)
- Change: Company-colour version for the Darwin 300 (#2107)
- Change: Rework rail vehicle alignment, using more Pikkas alignment
- Change: [Makefile] Update to makefile r284
- Change: [Makefile] Prepare for using gimp's scripting capability in order to generate png files from their (layered) psd or xcf source files, saving potentially many repetitive tasks

- Fix: Wrong, untranslated colour in some bridge GUI sprites (#2153)
- Fix: Missing animation for headstocks of gold mine
- Fix: An airport tile had erronously flashing pixels
- Fix: One house had a ground tile displayed as construction stage
- Fix: [Makefile] Clean the nfo and cnfo files related to the grfs we build
- Fix: [Makefile] Having the nfo and not the cnfo file depend on source changes resulted in not everything being re-built when it needed to be re-built

- Doc: Meaning of re-colour sprites
- Doc: Tree sprites