Bitcoin Mining & ASIC News: Market, Hardware and Energy · Page 6
Mining news and original analysis with dated primary sources.

Bitcoin Core 32.0rc2 is tagged for another testing round
The signed v32.0rc2 tag was created September 18. It is a release candidate for testing, not the final 32.0 production release; mining and pool operators should verify builds and stage upgrades.

CleanSpark prices $2.276B secured notes for Sandersville buildout
The September 18 filing prices 7.875% senior secured notes due 2031 at 98.5% of principal. Closing is expected September 25 and remains subject to customary conditions.

ESP-Miner 2.15.3 prerelease fixes low-frequency warnings
The September 20 prerelease derives low-frequency warnings from each device preset. It is a narrow diagnostics fix, not a promised hashrate increase, and operators should stage-test before fleet deployment.

Stratum V2 releases harden shares, jobs and translator sessions
The coordinated stratum v1.12.0 and sv2-apps v0.8.0 releases harden share validation, bounded job storage and Sv1-to-Sv2 translation. Breaking crate changes require a staged, coordinated upgrade.

Bitcoin Core fixes invalid defaults in its OpenRPC description
Merged PR #36297 changes two OpenRPC metadata entries so generated clients see schema-valid defaults. It is development-tree metadata work, not a new stable release or a change to mining consensus.

DOE emergency order expands Carolinas grid options during late heat
The September 18–21 order lets Duke Energy Carolinas dispatch specified and backup resources when reliability is threatened. We explain what it means—and does not mean—for flexible mining loads.

ERCOT asks 25 MW data-center projects for power, water and community data
The September 18 RFI covers interconnection-stage projects and asks about grid dependence, onsite generation, cooling, water, incentives and ownership. Mining-to-AI conversions should prepare auditable answers.

Bitcoin Core caps queued HTTP responses with 32 MiB backpressure
Merged PR #36174 pauses request processing when a connection’s send buffer grows beyond 32 MiB. Pool and node operators should understand the scope, deployment status and monitoring impact.

Braiins warns that recent Bitmain firmware may restrict third-party installation
The September 18 notice is a vendor warning, not proof that every model or build is affected. Here is a safe fleet-update procedure while details remain under investigation.

DOE orders Schahfer units available to MISO through December 18
The emergency order starts September 20 and concerns grid reliability, not a special rule for miners. Flexible-load operators should review curtailment and tariff assumptions.

Bitcoin Core fixes pruning startup race for newly enabled indexes
Merged PR #36150 prevents a node from pruning blocks before a newly enabled index can synchronize. The change is in master and should not be confused with an installed release.

Bitcoin difficulty rises 4.16% to 132.76 trillion at block 967,680
The September 19 retarget raises the work required per block; miners should separate difficulty impact from price, fees, uptime and power cost.