Beginning with selecting the right platform approach—native (Windows/macOS/Linux), cross‑platform frameworks, and the distribution method. A clearly defined MVP and an early prototype help validate workflows, performance needs, and the overall UX on real devices.
As the product evolves, stability, updates, and packaging gain importance. Proper management of file systems, permissions, offline capability, and integrations (device APIs, peripherals, enterprise authentication) ensures reliability in everyday use, while an update system and crash reporting ease long-term maintenance.