loading flow delay for every page
PC environment: Windows 7 Ultimate 64-bit with 12Gb RAM in system
calibre version 2.72 experiences the normal "loading flow" delay once when initially viewing an epub, and subsequent page links load immediately. But calibre version 2.77 experiences this "loading flow" delay with each and every page.
With a small epub, the delay may be acceptable, but with the epub I am using (33,000 xhtml text files, 255,000 pages of text, over one million hyperlinks; no graphics other than the cover), this delay causes calibre to be non-functional. Perhaps a caching function algorithm was changed?
I can send the file for your testing, if needed (it is a reference dictionary, 200Mb compressed), and I am willing to assist with debugging in any way you may request.