This is not a bug; it's a feature. The "new" 2127 version includes an aggressive data deduplication pass to shrink file sizes. For the first export of a large project, it scans every frame. Subsequent exports will be fast. Be patient.
If you want, I can draft a full blog post with an intro, step-by-step download/install instructions, screenshots placeholders, and a short FAQ — specify target audience (beginners or experienced users) and platform (Windows/macOS/Linux). spine 2127 download new
When you download new firmware from the portal, a .md5 checksum is provided. Verify the integrity of your file before installing. Corrupted downloads are the #1 cause of boot loops. This is not a bug; it's a feature