General enhancements & bug fixes

• Add git_push.sh and .gitignore to API clients for better Github integration #2366
• Enhancements to DefaultGenerator and CodegenProperty #1871, #2226, #2327
• Add suffix, prefix support for model name #2211, #2267, #2261, #2161, #2272, #2270, #2300, #2284
• Better integration with maven-codegen-plugin #1970
• Better Docker support with Vagrant #1943
• Automatically generate API documentation (markdown) #2320, #2344, #2388, #2391 #2400
• Scaffold test cases for API clients #2109, #2007, #1921, #1980
• Customisation of User-Agent #2371, #2376
• Better handling for model names #2310, #2398, #2393, #2348, #2328, #2324, #2309, #2257
• Better polymorphism support #1440, #2202, #1307

API client generators

• Android - enhancements #1920, #1839
• C# - enhancements and bug fixes #2397, #2317, #2199, #2026, #1964, #1941, #1863
• C++ (Qt5) - Fix file support in form parameter #2006
• Clojure - enhancements and bug fixes #2286, #2271
• Flash - Various bug fixes #2049
• Go - beta release and bug fixes #1747, #2289, #2295
• Java - enhancements and bug fixes #2206, #2149, #1999, #1998, #1928, #1899, #1866
• JavaScript - enhancements and bug fixes #2396, #2287, #2229, #2126, #2114, #2078, #2072, #2056, #1942
• ObjC - enhancements and bug fixes #2426, #2210, #2125
• Perl - enhancements and bug fixes #1897, #1812
• PHP - enhancements and bug fixes #2385, #2316, #1990, #1950, #1865
• Python - enhancements and bug fixes #2063, #2060, #2058
• Ruby - enhancements and bug fixes #2092, #2008, #2003, #1828, #1829
• Scala - enhancements #1830
• Swift - enhancements and bug fixes #2405, #2293, #2244, #2112, #2090, #2077
• TypeScript - enhancements and bug fixes #2076, #1979, #1965, #1886

API server generators

• Java server (Spring, JAX-RS) generator - enhancements and bug fixes #2421, 2346, #2256, #2249, #2021, #1960, #1882
• Haskell Servant generator - first release #2009
• ASP.NET 5 server generator - first release #2024
• Python Flask generator - #1958, #1957

For a list of breaking changes (without fallbacks), please refer to this list

For a list of breaking changes (with fallbacks), please refer to this list