2.8.4

New feature:

• enhance image handling by verifying image URLs and allowing logo images in headers(3b72c79) (by SErAphLi)
• update version to 2.8.0, add refresh button functionality, and improve favicon handling(9199ee5) (by SErAphLi)
• add concurrency limiter and max concurrent local parsers setting(0baf211) (by SErAphLi)
• add favicon support and unified caching for image dimensions, fix #57(098e2f5) (by SErAphLi)

Bugs fixed:

• implement image load attempts tracking and default dimensions fallback(1696f28) (by SErAphLi)
• update URL regex to enforce proper URL format(242c567) (by SErAphLi)
• fix render problem caused by favicon(c58f77f) (by SErAphLi)
• add apikey for jsonlink(cc6f7e8) (by SErAphLi)