Besides the "visible" improvements, this release features numerous
internal improvements to the UI/screen code and test infrastructure.
Numerous patches were merged from Vim, which are not mentioned below.
FEATURES:
07ad5d71ab clipboard: Support custom VimL functions #9304725da1feeb#9401 win/TUI: Improve terminal/console support
7a8dadbedb#9077 startup: Use $XDG_CONFIG_DIRS/nvim/sysinit.vim if it exists
feec926633#9299 support <cmd> mapping in more places
0653ed63a5#9028 diff/highlight: Show underline for low-priority CursorLine
bddcbbb571 signs: Add "numhl" argument #911305f9c7c2f7 clipboard: support Wayland (#9230)
14ae394532#9052 TUI: add support for undercurl and underline color
4fa3492a6f#9023 man.vim: soft (dynamic) wrap #9023
API:
8b39e4ec79#6920 API: implement object namespaces
b1aaa0a881 API: Implement nvim_win_set_buf() #91008de87c7b1c#8180 API: virtual text annotations (nvim_buf_set_virtual_text)
2b9fc9a13f#8660 API: add nvim_buf_is_loaded()
API: buf_get_lines, buf_line_count handle unloaded buffers
88f77c28e5 API: nvim_buf_get_offset_for_line
94841e5eae API/UI: #8221 ext_newgrid, ext_hlstate
(use line-based rather than char-based updates)
UI
b5cfac0894#8806 TUI: use BCE again more often, (smoother resizes/scrolling)
77b5e9ae25#9315 screen: add missing status redraw when redraw_later(CLEAR) was used
5f15788dc3 TUI: clip invalid regions on resize (#8779), fixes#8774c936ae0f36#9193 TUI: improvements for scrolling and clearing
f20427451e#9143 UI: disable clearing almost everywhere
f4b2b66661#9079 TUI: always use safe cursor movement after resize
d36afafc8d#9211 ui_options: also send when starting or from OptionSet
67f80d485c TUI: Avoid reset_cursor_color in old VTE #9191e55ebae373#9021 don't erase screen on `:hi Normal` during startup
c5790d9189#8915 TUI: Hint wrapped lines to terminals.
FIXES:
231de72539 RPC: turn errors from async calls into notifications
907ad921bc TUI: Restore terminal title via "title stacking" (#9407)
cb76a8a95f genappimage: Unset $ARGV0 at invocation #9376b48efd9ba7#9347 TUI: FreeBSD: Improve support for BSD vt console
c16529afa5 TUI: Konsole 18.07.70 supports DECSCUSR (#9364)
aec096fc5b os/lang: use the correct LC_NUMERIC also for OS X
5fee0be915 provider: improve error message (#9344)
3c42d7a10a TUI: alacritty supports set_cursor_color #93537bff9a5de8 TUI: Alacritty supports DECSCUSR (#9048)
57acfceabe macOS: infer primary language if $LANG is empty #9345bc132ae123 runtime/syntax: Fix highlighting of augroup contents (#9328)
715fdfee1e#9297 VimL/confirm(): Show dialog even if :silent
799d9c3215 clipboard: Prefer xclip (#9302)
6dae7776ed provider/nodejs: fix npm,yarn detection
16bc1e9c17#9218 channel: avoid buffering output when only terminal and no callbacks are active
72fecad1ff#8804 Fix crash in lang_init() on macOS if lang_region = NULL
d581398779 ruby: detect rbenv shims for other versions (#8733)
e568ac7a68#9123 third-party/unibilium: Fix parsing of extended capability entries
c4c74c3883 jobstart(): Fix hang on non-executable cwd #92041cf50cbfd9 provider/nodejs: Simultaneously query npm and yarn #90546c496db4b7 undo: Fix infinite loop if undo_read_byte returns EOF #2880f8f83579ff#9034 'swapfile: always show dialog'
CHANGES:
c236e80cf3#9024 --embed: wait for UI unless --headless
180b50dddc#9248 python: 'neovim' module was renamed to 'pynvim'
2000b6a64a#8589 VimL: Remove legacy aliases "v:errmsg", "v:shell_error", "v:this_session"
deb18a050e defaults: background=dark #2894 (#9205)
c1187d4af0 defaults: win: 'shellpipe' for cmd.exe (#8827)
Justin M. Keyes