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diff --git a/docs/ChangeLog/20190830.md b/docs/ChangeLog/20190830.md new file mode 100644 index 0000000000..88d7192cbb --- /dev/null +++ b/docs/ChangeLog/20190830.md @@ -0,0 +1,47 @@ +# QMK Breaking Change - 2019 Aug 30 + +Four times a year QMK runs a process for merging Breaking Changes. A Breaking Change is any change which modifies how QMK behaves in a way that is incompatible or potentially dangerous. We limit these changes to 4 times per year so that users can have confidence that updating their QMK tree will not break their keymaps. + +This document marks the inaugural Breaking Change merge. A list of changes follows. + +## LUFA USB descriptor cleanup + +* Some code cleanups related to the USB HID descriptors on AVR keyboards, to make them easier to read and understand +* More information: see https://github.com/qmk/qmk_firmware/pull/4871 +* No behaviour changes anticipated and no keymaps modified + +## Migrating `ACTION_LAYER_MOMENTARY()` entries in `fn_actions` to `MO()` keycodes + +* `fn_actions` is deprecated, and its functionality has been superseded by direct keycodes and `process_record_user()` +* The end result of removing this obsolete feature should result in a decent reduction in firmware size and code complexity +* All keymaps affected are recommended to switch away from `fn_actions` in favour of the [custom keycode](https://docs.qmk.fm/#/custom_quantum_functions) and [macro](https://docs.qmk.fm/#/feature_macros) features + +## Update Atreus to current code conventions + +* Duplicate include guards have bypassed the expected header processing behavior +* All keymaps affected are recommended to remove duplication of `<keyboard>/config.h` to `<keyboard>/keymaps/<user>/config.h` and only provide overrides at the keymap level + +## Backport changes to keymap language files from ZSA fork + +* Fixes an issue in the `keymap_br_abnt2.h` file that includes the wrong source (`keymap_common.h` instead of `keymap.h`) +* Updates the `keymap_swedish.h` file to be specific to swedish, and not just "nordic" in general. +* Any keymaps using this will need to remove `NO_*` and replace it with `SE_*`. + +## Update repo to use LUFA as a git submodule + +* `/lib/LUFA` removed from the repo +* LUFA set as a submodule, pointing to qmk/lufa +* This should allow more flexibility with LUFA, and allow us to keep the sub-module up to date, a lot more easily. It was ~2 years out of date with no easy path to fix that. This prevents that from being an issue in the future + +## Migrating `ACTION_BACKLIGHT_*()` entries in `fn_actions` to `BL_` keycodes + +* `fn_actions` is deprecated, and its functionality has been superseded by direct keycodes and `process_record_user()` +* All keymaps using these actions have had the relevant `KC_FN*` keys replaced with the equivalent `BL_*` keys +* If you currently use `KC_FN*` you will need to replace `fn_actions` with the [custom keycode](https://docs.qmk.fm/#/custom_quantum_functions) and [macro](https://docs.qmk.fm/#/feature_macros) features + +## Remove `KC_DELT` alias in favor of `KC_DEL` + +* `KC_DELT` was a redundant, undocumented alias for `KC_DELETE` +* It has been removed and all its uses replaced with the more common `KC_DEL` alias +* Around 90 keymaps (mostly for ErgoDox boards) have been modified as a result + |