Language learning blocks
- Removed:
enable_pronunciation_block_v4,enable_pronunciation_block_v4_audio_fix,enable_pronunciation_block_v7,enable_pronunciation_block_v8(all prior pronunciation-practice experiments retired). - Added:
enable_language_learning_block_v1— gates a new language-learning content block / exercise surface.
Desktop app upsell
- Added:
should_show_desktop_app_download— gates showing a desktop-app download prompt or banner.
Mobile-web login UI
- Added:
use_fill_sized_login_modal_on_mweb— gates using a full-viewport login modal on mobile web.
Internal / infra
- Removed:
manual_flush_delay_sec— removed a tunable delay for some manual flush operation.