Atmosphere/docs/changelog.md

# Changelog
## 0.7.2
+ Fixed a bug in fs.mitm's LayeredFS read implementation that caused some games to crash when trying to read files.
+ Fixed a bug affecting 1.0.0 that caused games to crash with fatal error 2001-0106 on boot.
+ Improved filenames output by the make dist target.
+ General system stability improvements to enhance the user's experience.
## 0.7.1
+ Fixed a bug preventing consoles on 4.0.0-4.1.0 from going to sleep and waking back up.
+ Fixed a bug preventing consoles on < 4.0.0 from booting without specific KIPs on the SD card.
+ An API was added to Atmosphère's Service Manager for deferring acquisition of all handles for specific services until after early initialization is completed.
+ General system stability improvements to enhance the user's experience.
## 0.7.0
+ First official release of Atmosphère.
+ Supports the following featureset:
  + Fusée, a custom bootloader.
    + Supports loading/customizing of arbitrary KIPs from the SD card.
    + Supports loading a custom kernel from the SD card ("/atmosphere/kernel.bin").
    + Supports compile-time defined kernel patches on a per-firmware basis.
    + All patches at paths like /atmosphere/kip_patches/<user-defined patch name>/<SHA256 of KIP>.ips will be applied to the relevant KIPs, allowing for easy distribution of patches supporting multiple versions.
      + Both the IPS and IPS32 formats are supported.
    + All patches at paths like /atmosphere/kernel_patches/<user-defined patch name>/<SHA256 of Kernel>.ips will be applied to the kernel, allowing for easy distribution of patches supporting multiple versions.
      + Both the IPS and IPS32 formats are supported.
    + Configurable by editing BCT.ini on the SD card.
    + Atmosphère should also be launchable by the alternative hekate bootloader, for those who prefer it.
  + Exosphère, a fully-featured custom secure monitor.
    + Exosphere is a re-implementation of Nintendo's TrustZone firmware, fully replicating all of its features.
    + In addition, it has been extended to provide information on current Atmosphere API version, for homebrew wishing to make use of it.
  + Stratosphère, a set of custom system modules. This includes:
    + A loader system module.
      + Reimplementation of Nintendo's loader, fully replicating all original functionality.
      + Configurable by editing /atmosphere/loader.ini
      + First class support for the Homebrew Loader.
        + An exefs NSP (default "/atmosphere/hbl.nsp") will be used in place of the victim title's exefs.
        + By default, HBL will replace the album applet, but any application should also be supported.
      + Extended to support arbitrary redirection of executable content to the SD card.
        + Files will be preferentially loaded from /atmosphere/titles/<titleid>/exefs/, if present.
        + Files present in the original exefs a user wants to mark as not present may be "stubbed" by creating a .stub file on the SD.
        + If present, a PFS0 at /atmosphere/titles/<titleid>/exefs.nsp will fully replace the original exefs.
        + Redirection is optionally toggleable by holding down certain buttons (by default, holding R disables redirection).
      + Full support for patching NSO content is implemented.
        + All patches at paths like /atmosphere/exefs_patches/<user-defined patch name>/<Hex Build-ID for NSO to patch>.ips will be applied, allowing for easy distribution of patches supporting multiple firmware versions and/or titles.
        + Both the IPS and IPS32 formats are supported.
      + Extended to support launching content from loose executable files on the SD card, without requiring any official installation.
        + This is done by specifying FsStorageId_None on launch.
    + A service manager system module.
      + Reimplementation of Nintendo's service manager, fully replicating all original functionality.
      + Compile-time support for reintroduction of "smhax", allowing clients to optionally skip service access verification by skipping initialization.
      + Extended to allow homebrew to acquire more handles to privileged services than Nintendo natively allows.
      + Extended to add a new API for installing Man-In-The-Middle listeners for arbitrary services.
        + API can additionally be used to safely detect whether a service has been registered in a non-blocking way with no side-effects.
        + Full API documentation to come.
    + A process manager system module.
      + Reimplementation of Nintendo's process manager, fully replicating all original functionality.
      + Extended to allow homebrew to acquire handles to arbitrary processes, and thus read/modify system memory without blocking execution.
      + Extended to allow homebrew to retrieve information about system resource limits.
      + Extended by embedding a full, extended implementation of Nintendo's boot2 system module.
        + Title launch order has been optimized in order to grant access to the SD card faster.
        + The error-collection system module is intentionally not launched, preventing many system telemetry error reports from being generated at all.
        + Users may place their own custom sysmodules on the SD card and flag them for automatic boot2 launch by creating a /atmosphere/titles/<title ID>/boot2.flag file on their SD card.
    + A custom fs.mitm system module.
      + Uses Atmosphère's MitM API in order to provide an easy means for users to modify game content.
      + Intercepts all FS commands sent by games, with special handling for commands used to mount RomFS/DLC content to enable easy creation and distribution of game/DLC mods.
        + fs.mitm will parse the base RomFS image for a game, a RomFS image located at /atmosphere/titles/<title ID>/romfs.bin, and all loose files in /atmosphere/titles/<title ID>/romfs/, and merge them together into a single RomFS image.
        + When merging, loose files are preferred to content in the SD card romfs.bin image, and files from the SD card image are preferred to those in the base image.
      + Can additionally be used to intercept commands sent by arbitrary system titles (excepting those launched before SD card is active), by creating a /atmosphere/titles/<title ID>/fsmitm.flag file on the SD card.
      + Can be forcibly disabled for any title, by creating a /atmosphere/titles/<title ID>/fsmitm_disable.flag file on the SD card.
      + Redirection is optionally toggleable by holding down certain buttons (by default, holding R disables redirection).
    + A custom crash report system module.
      + Serves as a drop-in replacement for Nintendo's own creport system module.
      + Generates detailed, human-readable reports on system crashes, saving to /atmosphere/crash_reports/<timestamp>_<title ID>.log.
      + Because reports are not sent to the erpt sysmodule, this disables all crash report related telemetry.
  + General system stability improvements to enhance the user's experience.