Make std.file.DirEntry._ensureStatDone safe
Deprecate std.c.* and move all remaining declarations to core.stdc.*
Usage of WEB macro for License everywhere
Fix incorrect link to zlib
Merge pull request #2337 from joakim-noah/deprecate_std_c

Deprecate std.c.* and move all remaining declarations to core.stdc.*
Merge pull request #2614 from Geod24/fix-license-doc

[DDOC] Usage of WEB macro for License everywhere
Mark std.uni.replicateBits as safe, pure, nothrow and nogc
Mark std.uni.floorPowerOf2 and ceilPowerOf2 as nogc
Merge pull request #2620 from tom-tan/nogc-uni-floorPowerOf2-ceilPowerOf2

Mark std.uni.floorPowerOf2 and ceilPowerOf2 as nogc
Mark std.uni.spaceFor as safe and nogc
Replace reduce!"a+b" with sum
fix Issue 12915 - RedBlackTree leaks memory
Merge pull request #2619 from tom-tan/safe-pure-nothrow-nogc-uni-replicateBits

Mark std.uni.replicateBits as safe, pure, nothrow and nogc
Merge pull request #2601 from tom-tan/safe-file-DirEntry-_ensureStatDone

Make std.file.DirEntry._ensureStatDone safe
Merge pull request #2623 from tom-tan/safe-nogc-uni-spaceFor

Mark std.uni.spaceFor as safe and nogc
Merge pull request #2625 from MartinNowak/fix12915

fix Issue 12915 - RedBlackTree leaks memory
BigInt @safe

some more

some update