update changelog for v1.10

NEWS

@@ -1,11 +1,26 @@
-v1.9.5 (in dev)
-perf : Slightly faster (+5%) HC compression speed (levels 3-9)
-lib  : lz4frame states can now be reset and reused after a processing error (described by @QrczakMK)
+v1.10.0
+cli  : multithreading compression support: improves speed by X times threads allocated
+cli  : overlap decompression with i/o, improving speed by ~+60%
+cli  : support environment variables LZ4_CLEVEL and LZ4_NBWORKERS
+cli  : license of CLI more clearly labelled GPL-2.0-or-later
 cli  : fix: refuse to compress directories
 cli  : fix dictionary compression benchmark on multiple files
+cli  : change: no more implicit `stdout` (except when input is `stdin`)
+lib  : new level 2, offering mid-way performance (speed and compression)
+lib  : Improved lz4frame compression speed for small data (up to +160% at 1KB)
+lib  : Slightly faster (+5%) HC compression speed (levels 3-9), by @JunHe77
+lib  : dictionary compression support now in stable status
+lib  : lz4frame states can be safely reset and reused after a processing error (described by @QrczakMK)
+lib  : `lz4file` API improvements, by @vsolontsov-volant and @t-mat
+lib  : new experimental symbol `LZ4_compress_destSize_extState()`
 build: cmake minimum version raised to 3.5
-build: meson scripts are now hosted into `build/` directory
-port : support for loongArch, risc-V, m68k and mips architectures
+build: cmake improvements, by @foxeng, @Ohjurot, @LocalSpook, @teo-tsirpanis, @ur4t and @t-mat
+build: meson scripts are now hosted into `build/` directory, by @eli-schwartz
+build: meson improvements, by @tristan957
+build: Visual Studio solutions generated by `cmake` via scripts
+port : support for loongArch, risc-v, m68k, mips and sparc architectures
+port : improved Visual Studio compatibility, by @t-mat
+port : freestanding support improvements, by @t-mat
 
 v1.9.4
 perf : faster decoding speed (~+20%) on aarch64 platforms