## EPF5 Dev Updates - Week 12 [◀️ *previous update*](https://hackmd.io/@hangleang/epf5-week11) ### Goals For This Week - [x] Finish the review, and sync with the latest changes in Lighthouse ### Activities - update spec tests to `v1.5.0-alpha5` in this [commit](https://github.com/hangleang/grandine/commit/3ece901c0c32802399c10192e80160d49593d574) and also remove extended matrix constraint length based on this [spec changes](https://github.com/ethereum/consensus-specs/commit/4eee3b0c3b91844f25cf38a1de01fcbbd200e6a9) - update snapshot tests in this [PR](https://github.com/grandinetech/grandine-snapshot-tests/pull/1) for correlate with spec changes - add `--subscribe-all-data-column-subnets` flag in node args, but the ENR seems not affected, might be due to inconsistency data type as mentioned in `peerdas-testing` channel, or back-and-forth change on the spec - node could not sync with others, and not build on previous slot, even with the same client, maybe due to [fork-choice](https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/_features/eip7594/fork-choice.md) spec changes ![2024-08-29-115643_screenshot](https://hackmd.io/_uploads/BJk1rXf30.png) - do some clean up and add more logs for debugging purpose in this [commit](https://github.com/hangleang/grandine/commit/a7539ed4f5e993c2f3528b6e62c21b5951adbc2b) and [this](https://github.com/hangleang/grandine/commit/af3c12825733bd589160d838803a1937ae0044f8) *Thanks to @0xzarathustra for review my long tail PR, really appreciate your comments, I just don't have a chance to look into that yet. I will check those out once I finish syncing with lighthouse commits.* ### Plan For Next Week - check why new `--subscribe-all-data-column-subnets` flag does not affected - check node out of sync, and not build on prev. slot problems - check out peer-review --- [▶️ *next update*](https://hackmd.io/@hangleang/epf5-week13)