Set the version to 0.6.1 and write its release notes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

VERSION

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-0.6.0
+0.6.1

docs/releases/v0.6.1.md

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+A fix release for *The Legend of Zelda: Ocarina of Time* for Nintendo Switch 2 (game version 1.1.1): crash and
+memory fixes, a higher frame rate, Navi's light on AMD GPUs, and updates that keep your compiled game and shaders.
+**No game files are included**: the setup builds the game on your PC from your own dump.
+
+## Install or update
+
+- **Already have 0.6.0:** start the launcher; it offers 0.6.1, updates itself and keeps the game it compiled: only
+  what changed is compiled again, and the prepared shaders are kept. The shader translator changed, so the game plays
+  with the shaders already prepared and translates them again in the background.
+- **New install:** download **`NX2navi-Setup-0.6.1.exe`** below, put it next to your `.nup` dump of the game and start
+  it. Windows SmartScreen warns on the first start because the setup is not signed: choose *More info* and *Run
+  anyway*. The launcher builds the game (10 to 25 minutes, once), prepares every shader and starts it.
+- **AMD and Intel GPUs:** the game's shaders change for your GPU in this release (see Fixed), so the graphics driver
+  builds its pipelines again on the first start and on the first visit to each area.
+
+**Requirements:** Windows 10 or 11; an x86-64 CPU with SSE4.2; 16 GB of RAM; about 30 GB free for the game and 1.5 GB
+for the launcher; a GPU with Vulkan 1.3, `VK_EXT_external_memory_host` and `VK_EXT_mesh_shader` (current NVIDIA and AMD
+cards).
+
+## New
+
+- Updates download in the background, even while you play, and install when the game is not running: when the
+  launcher starts or right after the game exits. Turn off *Install Updates Automatically* in the launcher's Settings to
+  install them yourself from the Updates row.
+- Later updates keep the compiled game and the prepared shaders, so they take minutes instead of a full build.
+- *Rebuild the Game* compiles the game for your current processor.
+
+## Fixed
+
+- A higher frame rate: far less copying into the game's video memory each frame, the GPU starts its work earlier, and
+  render target images are reused.
+- Navi's glowing orb should draw again on AMD GPUs, and the black and white blocks on Navi and Link on Radeon RX 5000
+  and 6000 cards should be gone: on every GPU but NVIDIA's, the game's shaders now keep the NaN and infinity results
+  they rely on. Tell us if Navi is still missing her light on your AMD GPU.
+- The device-lost crash at area loads on GeForce RTX 4090, 5090 and 5070 Ti cards: a released texture could be read
+  after it was freed.
+- A crash at start with code 71 when RivaTuner Statistics Server runs.
+- Long sessions running out of memory: idle textures are now freed when the system's memory runs low too, not only the
+  video memory.
+- Shader preparation no longer crashes the RADV driver (AMD GPUs on Linux) on a texture size query.
+- Things that moved no longer leave a trail when neither DLSS nor FSR 3.1 is on.
+- The game's own Restart no longer brings the launcher back over the game, where Play could start a second copy.
+- A cut connection while the launcher reads a small file, such as the package index of *Gather Build Tools*, is tried
+  again instead of failing the install.
+- After a crash, the game's log ends with the exit code and what it means, also when the game was ended before it could
+  write a line itself, and the crash report stays in place when a driver or overlay installs its own.
+
+## Known issues
+
+- The first visit to an area after an install can pause while the graphics driver builds what it has not seen.
+- Machines with 16 GB of RAM can run out of system memory in Hyrule Field.
+- Integrated AMD GPUs can fail at the title screen (their host memory heap is too small for the game's memory).
+- Opening the game's settings menu can crash on some AMD Radeon GPUs.
+- A rare crash in the game's particle code.
+
+## For builders
+
+- With lld, `tools/make_game.py` links the game's manifest and icon itself instead of through windres, so a build or
+  user folder whose name holds characters outside Windows' code page no longer fails the Compile step.
+- `NX2NAVI_PROFILE_SLOW` writes a profile of every slow frame, and `mem_census` also reports the memory of each of the
+  game's address regions.
+
+## Thanks
+
+Pull requests in this release came from epicmeme546, itaskaev2 and mitch030504.
+
+Report problems as issues, with the game's log (`logs\nx2navi.log` in the game folder) and what you were doing.
+
+NX2navi is an independent, non-commercial fan project, not affiliated with or endorsed by Nintendo. *The Legend of
+Zelda*, *Ocarina of Time* and *Nintendo Switch* are trademarks of Nintendo.