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(lambda x --> x + 1) (changelog)
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fix #4219 (log spam in debug builds)
fix Spring.SetLogSectionFilterLevel
it sets filterlevel _and_ registers the section (important when lua needs to create its own sections)
fix #3553: sun hard edge
KISS
LuaIntro: fix SEGV's if user has LoadingMT=1 set
fix #4220
fix #4221
fix cubemap reflections (#4163); broken by 2b5598a1
#4215: more general fix
fix #4222
staticness
GH: add missing arg to GameOver callin
Merge branch 'release' into develop