feat: release notes for 0.1.5; archive 0.1.5 iso; bump version to 0.1.6

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

archives/releasenotes.txt

@@ -1,3 +1,48 @@
+MontaukOS 0.1.5 (July 8, 2026)
+    (37c51f31fcb5b9dc4b983c9aaeb27ff0f7827adb)
+
+New
+====
+    * New Character Map app (charmap)
+    * New Power app (powermgr) for CPU power and thermal monitoring
+    * CPU power and thermal management for Intel CPUs
+    * Software-defined radio support: RTL-SDR (RTL2832U + R820T2) USB driver, kernel radio APIs, and an sdr demo tool
+    * Intel Bluetooth firmware loading performance improvements
+    * New default login-screen wallpaper (0:/os/wallpapers/default.jpg), used when no wallpaper is configured
+
+Fixed
+=====
+    * Fix partially broken Bluetooth pairing and reconnection
+    * Bluetooth audio (A2DP) setup and reconnection reliability
+    * HCI events spanning multiple USB packets are now reassembled correctly, fixing Intel Bluetooth controller bring-up hangs
+    * Bluetooth MAC addresses are now displayed in conventional MSB-first byte order in the userspace Bluetooth app 
+    * Fixed the desktop app loading cap
+    * Cleanup: shared libraries renamed to drop the 'lib' prefix, leftover test programs removed
+
+Licensing
+=========
+    * MontaukOS 0.1.5 is source-available: the MontaukOS Software License permits use, study, modification, and free redistribution with attribution (commercial distribution still requires permission)
+    * Third-party license texts and notices now ship on the ISO (0:/os/licenses/), covering the Flat Remix icon theme (GPLv3), the DOOM engine (GPLv2), the Tiny C Compiler (LGPL-2.1), Lua (MIT), the bundled fonts (OFL-1.1 for JetBrains Mono, Noto Serif, and Roboto; AGPLv3 with font-embedding exception for C059), the Mozilla CA certificate bundle (MPL-2.0), Intel Bluetooth firmware (Intel redistributable license), and other components
+    * The proprietary DOOM shareware WAD (doom1.wad) is not distributed; the DOOM engine still ships, but users must supply their own game data
+
+Included in ISO
+================
+
+    * MontaukOS SMP kernel
+    * Userspace bootstrap (0:/os/init.elf) and other essential system utilities
+    * MontaukOS desktop environment and graphical apps
+    * Manual pages (0:/man), readable via man command
+    * System CA certificates (0:/os/certs/ca-certificates.crt)
+    * Intel Bluetooth controller firmware (0:/os/firmware/intel)
+    * Third-party license texts and notices (0:/os/licenses)
+    * Tiny C Compiler (tcc) with MontaukOS headers and libraries (0:/lib/tcc)
+    * Lua 5.4 interpreter (lua) with headers and static library (0:/lib/lua)
+    * Flat Remix icon pack
+    * JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts
+    * DOOM engine with SDL_mixer audio support (game data not included)
+    * Experimental HTTP server (httpd) and default page (0:/www/index.html)
+    * Default wallpaper - blossoms by Nikhil Kumar, Unsplash (0:/os/wallpapers)
+
 MontaukOS 0.1.4 (June 21, 2026)
     (4cda83aa58aa22431ec64893b7960f871729dab4)