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fix: improve OPDS and font download speeds and reliability#195

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uxjulia merged 7 commits into
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bugfix/opds-download-issues-#182
May 23, 2026
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fix: improve OPDS and font download speeds and reliability#195
uxjulia merged 7 commits into
developmentfrom
bugfix/opds-download-issues-#182

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@uxjulia uxjulia commented May 23, 2026

Summary

Fixes OPDS/font download reliability issues by improving memory handling, diagnostics, and transfer behavior.

  • Releases the active SD-card reader font before loading OPDS catalogs, giving OPDS feed parsing more free heap.
  • Adds specific OPDS parser error tracking so low-memory XML buffer allocation failures show a clear memory error instead of a generic parse failure.
  • Improves HTTP download diagnostics with timeout/buffer settings, resume offsets, transfer failure details, heap/max allocation, WiFi status, and RSSI.
  • Increases the download idle timeout from 15s to 30s to better tolerate slow regional connections.
  • Restores OPDS book downloads to a 4096-byte transfer buffer for better throughput while keeping the shared/default downloader path on the lower-memory buffer.
  • Adds clearer font download attempt, retry, success, failure, and cancel logs.

@uxjulia uxjulia linked an issue May 23, 2026 that may be closed by this pull request
Slow download speeds (OPDS and font downloads) #190
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@uxjulia uxjulia merged commit b340133 into development May 23, 2026
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@uxjulia uxjulia deleted the bugfix/opds-download-issues-#182 branch May 23, 2026 17:11
imshentastic referenced this pull request in imshentastic/CrumBLE May 23, 2026
@jonasdiemer
Skip soft hyphens. (#195)
163de1e 
For now, let's skip the soft hyphens (later, we can treat them in the
layouter). See
crosspoint-reader/crosspoint-reader#17 (comment)
@uxjulia uxjulia linked an issue May 24, 2026 that may be closed by this pull request
OPDS takes forever while screen is flickering #184
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OPDS takes forever while screen is flickering Slow download speeds (OPDS and font downloads)

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