Misaligned Glyphs in Berkeley Mono

Steps to reproduce

1. Using set guifont=BerkeleyMono-Regular:h16 as your font font link (can probably be repro'd with the existing trial
2. See attached screenshot comparing Vim in Ghostty terminal renderer vs MacVim:
   
3. The rounded corner graphics appear broken in MacVim

Expected behaviour

Unclear if the issue is because of how fallback fonts apply or if these are embedded glyphs in the font that are being mis-rendered

Version of Vim and architecture

MacVim 9.1, Included Patches: 1-727

Environment

Operating System: macOS Sequoia (15.0)

How MacVim was installed

Built from source

Logs and stack traces

No response

Vim configuration where issue is reproducable

No response

Issue has been tested with given configuration

• by running MacVim.app from GUI macOS interface
• by running vim/gvim/etc installed by MacVim
• by running other versions of vim (e.g. /usr/bin/vim)

Issue has been tested with no configuration

• by running mvim --clean (or gvim, supplied by MacVim distribution)
• by running vim --clean (in terminal, supplied by MacVim distribution)
• by running vim --clean (in terminal, other suppliers, e.g. /usr/bin/vim)

Other conditions

• The both Homebrew packages "vim" and "macvim" are installed

Reproduziere das Problem in MacVim.app mit BerkeleyMono-Regular in Größe 16 und vergleiche die abgerundeten Glyphen mit dem beigefügten Ghostty- und MacVim-Screenshot. Wiederhole den Vorgang anschließend mit mvim --clean und halte fest, ob sich das Verhalten ändert; abgeschlossen bedeutet, die Ursache in der Darstellung oder der Fallback-Schriftart zu identifizieren und die korrigierte Glyphenausrichtung unter macOS Sequoia zu bestätigen.