v1.2.4

SimpleSpread v1.2.4

Changes since v1.2.3

A native macOS spreadsheet: XLSX native format, CSV import/export,
and a Google-Sheets-level formula engine.

Note: This build is arm64 (Apple Silicon) only.
If Gatekeeper blocks the app, right-click → Open on first launch.

Commit Summary

• docs: refresh screenshot for the strikethrough toolbar button (afed5c6)
• Add strikethrough to the format bar (⇧⌘X) (d423100)
• appcast: SimpleSpread 1.2.3 (cda0132)