Doc: update changelog for v2.21.0

Author: CarterLi

CHANGELOG.md

@@ -1,3 +1,40 @@
+# 2.21.0
+
+Changes:
+* We no longer use `libnm` for Wifi detection on Linux. Instead, we use `libdbus` to communicate with NetworkManager directly
+    * To package managers: libnm dependency should be removed
+
+Features:
+* Add module `BluetoothRadio` that prints bluetooth radios installed on the system
+    * Don't confuse with module `Bluetooth` which lists connected bluetooth devices
+* Detect more information when `--gpu-driver-specific` is used (GPU)
+* Detect which type of nvidia driver (open source or proprietary) is used (GPU, Linux)
+* `--gpu-driver-specific` adds supports for Moore Threads GPU (#1142, GPU, Linux / Windows)
+* Use SetupAPI for detecting GPUs to support GPU detection when running fastfetch as a Windows Service (GPU, Windows)
+    * See https://github.com/gpustack/gpustack/pull/97#issuecomment-2264699787 for detail
+* Detect playback status (Media, Linux)
+
+Bugfixes:
+* Don't try to connect display server in tty mode (Linux, #1110)
+* Improve ssh detection
+* Fix max frequency printing in custom format (CPU)
+* Fix displaying random characters when detecting kitty term font (#1136 / #1145, TerminalFont, Linux)
+* Make sure to detect all physical memory devices (#1137)
+* Don't detect `wl-restart` as WM (#1135, WM, Linux)
+* Use PCI bus ID to match Nvidia cards; fix multi-GPU detection (GPU)
+* Ignore invalid GPU (#1066, GPU, macOS)
+* Print error when invalid color code is found (#1138)
+* Fix invalid refresh rate detection on old macOS versions (Display, macOS)
+* Fix disk size detection on 32-bit systems (Disk, BSD)
+* Don't ignore disabled GPUs (#1140, GPU, Linux)
+* Fix GPU type detection on FreeBSD (GPU, FreeBSD)
+* Remove shell version detection for unknown shells (#1144, Shell)
+* Don't detect hyfetch as shell on NixOS (Shell, NixOS)
+
+Logos:
+* Update EndeavourOS_small
+* Add QTS
+
 # 2.20.0
 
 This release fixes regression of `2.19.0` on M1 MacBook Air. It also introduces a new option `--key-type icon` to display predefined icons in keys (requires newest nerd font). See `fastfetch -h key-type` for detail.