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Changelog

For old changelog, see changelog/CHANGELOG-{version}.md

[0.14.4] - 2026-03-31

Added

  • kernel: rope data structure (mm/rope.rs) — custom B-tree with O(log n) insert/delete, O(1) clone via Arc structural sharing, and O(log n) position conversion. Zero external dependencies. (#711)

Changed

  • kernel: Buffer internal storage replaced from Vec<String> to Rope — all public API signatures unchanged, Buffer::clone() is now O(1) (~16ns vs ~8ms for 100K-line buffer) (#711)
  • kernel: BufferSnapshot and block::Snapshot now use Rope clone instead of Vec<String> deep copy — snapshot creation is O(1) (#711)
  • kernel: rope uses line-separator semantics — trailing \n produces an empty line in line_count() and line(), matching editor expectations for delete+insert patterns (#732)
  • search: position_to_byte/byte_to_position now use Buffer's O(log n) rope methods instead of local O(n) helpers — eliminates 2-4 content() materializations per search (#711)
  • session: buffer_text_range() uses byte-indexed &str slicing instead of Vec<char> per-line allocation (#711)

Fixed

  • input: remove gratuitous Box::leak in handle_pop_result — CommandContext::set() accepts &str, no static lifetime needed (#714)
  • motions: ge and gE now correctly distinguish Word vs BigWord boundaries — word_end_backward was ignoring the WordBoundary parameter (#720)
  • session: close_window and compositor close now use WindowLayout::remove() instead of bypassing it — fixes stale active_index returning wrong window after close (#712)
  • editor: display_line_count now uses Unicode display width instead of char count — CJK characters correctly occupy 2 terminal columns (#717)
  • kernel: CommandId.name and OperatorId.name changed from &'static str to Cow<'static, str> — from_qualified() no longer leaks memory via Box::leak on every call (#713)
  • vfs: replace lossy From<io::Error> with VfsError::from_io(err, path) — error messages now include the file path instead of showing empty string (#715)
  • vim: load_personality_manifest now propagates parse errors instead of swallowing them — module correctly fails to init if vim.toml is corrupted (#718)
  • lsp: monitor LSP saturator task with watcher — if the task panics, active flag is cleared and user is notified instead of silently losing all LSP features (#719)
  • trace: init_profiling_with_filter now uses the filter argument via TracingProfiler::with_filter instead of discarding it (#716)
  • kernel: OptionRegistry::register holds write lock for entire check-and-insert, fixing TOCTOU race between read and write locks (#721)
  • testing: IntegrationTest and StepTest now query registers via gRPC instead of returning empty HashMap — assert_register! macro is usable (#722)

[0.14.3] - 2026-03-30

Added

  • statusline: diagnostic counts section (Section X) with Nerd Font error/warning/info/hint icons — only shown when counts > 0
  • statusline: git branch icon (), modified icon (●), readonly icon (󰌾) replace plain text indicators
  • statusline: theme-aware colors via statusline_bg/statusline_fg highlight groups cached in init()
  • bufferline: Nerd Font pin icon (󰐃) and modified dot (●) replace ASCII * and [+]
  • bufferline: theme-aware colors via highlight groups cached in init()
  • microscope: file type icons rendered next to picker results
  • display: DiagnosticPresenter registered in bootstrap — diagnostic gutter icons now appear
  • display: mode_replace highlight group added to all 3 builtin themes (Dark, Light, TokyoNight)
  • illuminate: word reference highlighting on cursor-hold — after 300ms idle, all occurrences of the word under cursor are highlighted with ]]/[[ navigation
  • syntax-treesitter: injection decorations — doc comments (///, //!) now inherit markdown decorations from child drivers (#696)
  • hover: markdown rendering in hover popups — bold, italic, code spans, headings, fenced code blocks, and horizontal rules are styled instead of shown as raw syntax (#697)
  • microscope: syntax highlighting in preview panel — file previews show tree-sitter-based syntax colors for all supported languages (#698)
  • syntax-treesitter: bare fenced code blocks in doc comments inherit parent language — ``` without a language tag in Rust doc comments defaults to Rust highlighting (#701)
  • keybindings: LeaderKeyProvider service and in-crate personality adapters — feature modules (git-signs, diagnostics-panel, bufferline, etc.) register vim-aware keybindings with qualified "vim:normal" mode strings and <leader> expansion at bootstrap (#700)
  • lsp: integration tests for hover (K) and goto-definition (gd) against real rust-analyzer (#692)

Fixed

  • viewport: overlapping syntax tokens now resolve to the most specific (narrowest) match — fixes injection highlights being hidden by broader parent tokens (#696)
  • session: split window inherits cursor and viewport from source — <C-w>v / <C-w>s no longer reset new pane to line 0
  • range-finder: ;/, repeat after label-selected f/F/t/T now advances to the next match instead of re-entering label mode (#663)
  • server: operator-pending ds/cs/ys with leap motions now completes — on_command_complete fires after pop-result command execution (#663)
  • gutter: add generic column priority for ordering — columns now sort by priority field (lower = further left) instead of Vec insertion order
  • tui: dispatch OptionChanged notifications to client modules — :set nu and :set rnu now toggle line numbers in real-time
  • lsp: non-blocking hover popup — K (hover) returns immediately via fire-and-forget async + ArcSwap cache + tick polling, no longer freezes editor for up to 5 seconds
  • hover: dismiss popup on cursor movement in normal mode via on_cursor_update()
  • hover: fix popup requiring two K presses — async task no longer kills the tick consumer before it can deliver the cached LSP result
  • hover: fix crash on multi-byte characters (box-drawing ─ from markdown horizontal rules) — truncation now uses character-aware slicing instead of byte offsets (#692)
  • hover: display_width() returns character count instead of byte length for correct popup sizing (#692)
  • lsp: stabilize flaky diagnostic count assertion — relaxed to >= 1 with at least one error check (#692)
  • cmdline: :s/pattern/replacement/ now dispatches correctly — ex-command parser splits name at first non-alpha character instead of whitespace (#705)
  • bufferline: H/L buffer prev/next, :bnext/:bprevious/:bd/:qa ex-commands, <Space>bd binding (#699)
  • motions: screen-high/low relocated from H/L to gH/gL (#699)
  • window: <C-h/j/k/l> direct window focus navigation in normal mode (#699)
  • lsp-navigation: diagnostic navigation ]d/[d, ]e/[e, ]w/[w for next/prev diagnostic/error/warning (#699)