fix SIGSEGV on startup or guifont change (#602)

Changes

• Improve CWD initialization by replacing ppid check with TERM-based detection.
• Bump default CacheSize from 480 to 960 for improved performance.
• Restore only geometry; skip windowState to avoid stuck-maximize issue.

Fixes

• Load login shell environment when TERM is unset (#594).
• Avoid crash caused by incorrect GonvimResize arguments.
• Fix blank message lines (#599).
• Fix cursor position in external cmdline palette.

• fix: Prevent IME tooltips from being deleted by parent window cleanup

Fixes:

• fix: Add LSEnvironment to Info.plist to disable async preemption on macOS (related to #577)
• fix: Remove unnecessary locking in updateLine to prevent UI freeze
• fix: Fix float grid background not drawn on viewport edges

Fixes:

• Fix memory leakage on grid creation and deletion
• Fix an issue where the command specified as an argument was unintentionally read as an open file
• Fix an issue where the window separator may disappear when the background is semi-transparent
• Fix an issue where smooth scrolling sometimes did not work
• fix: Increase buffer size to 5000 to prevent freezes caused by delayed flush events. (#569)
• multithread Minor fixes for init process. (related to #562)
• Fixed an issue where text on the cursor is not updated as expected. (#561)

Changes:

• Change the Qt used to 5.15.16

Fixes:

• Minor fixes for cursor drawing
• Fix an issue where a QImage of zero length could be generated
• Remove process that creates unnecessary debug logs.
• Fix to detect dark mode.(#557)

Fixes:

• Fix rendering issues related to smooth scrolling that were degraded in 9e3da92 (#556)

Fixes:

• Fix an issue where italic characters could be made invisible. (#554)
• Fix display corruption problem when a float window or external window is changed to a normal window by wincmd
• Fix an issue where the state of the title bar icon would be incorrect when the maximized state was restored after restoring the window state in borderless window mode.
• Fix an issue that prevented the input of \ on macOS with JIS layout. (#534)
• Fix an issue where it crashes when converting with IME. (#526)
• Fix segmentation violation using GonvimWorkspaceNew command (#515)

Changes:

• Convert Windows paths to WSL paths when running under WSL. by @tfriedel (#549)
• Improve smooth scroll animation

Features:

• Add 'ShowDiffDialogOnDrop' option to control diff dialog display on file drop. This setting value is disabled by default.
• Add ability to open files from Finder in macOS
• Add support displaying windows with transparent blur effect in the background
• Add functionality to draw separators in the message window
• Fix that the background color of the more frontal float window is not painted if the overlapping float windows have the same background color.

Fixes:

• Fixed an issue where the application hangs on focus gain and focus loss in the application, focus out
• Fixed an issue where terminal mode cells were not transparent in transparent window mode
• Fixed a problem with guifontwide not working properly when DisableLigatures is true and CachedDrawing is true
• Fixed display of IME tooltips on external command line
• Fixed a problem in which specifying columns would result in one column less than the specified size
• Fixed an issue where sometimes the text on the cursor is not drawn
• Suppress warning about secure coding for restorable state in macOS. (#506)
• Fixed an issue where text decorations such as underlines and undercurl were not drawn properly

Changes:

• Change to disable the minimap feature by default

Features:

• Add support manual font fallback