calibre 7.17The latest version of PDF conversion fails in large areas

[fengli]

Examples of errors：
calibre, version 7.17.0 (win32, embedded-python: True)

Rendered: feed_8/article_23/index_u89.html in 12.1 seconds (1/131)
Rendered: feed_8/article_22/index_u36.html in 12.5 seconds (2/131)
Rendered: feed_8/article_16/index_u102.html in 12.7 seconds (3/131)
Rendered: feed_8/article_11/index_u104.html in 13.5 seconds (4/131)
Rendered: feed_8/article_10/index_u127.html in 14.2 seconds (5/131)
Rendered: feed_8/article_14/index_u98.html in 14.5 seconds (6/131)
Rendered: feed_8/article_21/index_u74.html in 14.5 seconds (7/131)
Rendered: feed_8/article_13/index_u71.html in 16.7 seconds (8/131)
Rendered: feed_8/article_15/index_u17.html in 16.8 seconds (9/131)
Rendered: feed_8/article_6/index_u103.html in 5.4 seconds (10/131)
Rendered: feed_8/article_5/index_u37.html in 6.4 seconds (11/131)
Rendered: feed_8/article_2/index_u70.html in 5.8 seconds (12/131)
Rendered: feed_8/article_3/index_u61.html in 6.8 seconds (13/131)
Rendered: feed_8/article_0/index_u128.html in 5.3 seconds (14/131)
Rendered: feed_7/article_14/index_u115.html in 6.3 seconds (15/131)
Rendered: feed_7/article_13/index_u31.html in 7.8 seconds (16/131)
Rendered: feed_7/article_11/index_u76.html in 7.6 seconds (17/131)
Rendered: feed_7/article_12/index_u88.html in 10.4 seconds (18/131)
Rendered: feed_7/article_10/index_u116.html in 8.0 seconds (19/131)
Rendered: feed_7/article_7/index_u52.html in 7.3 seconds (20/131)
Rendered: feed_7/article_9/index_u14.html in 12.6 seconds (21/131)
Rendered: feed_7/article_4/index_u111.html in 5.9 seconds (22/131)
Rendered: feed_7/article_6/index.html in 12.7 seconds (23/131)
Rendered: feed_7/article_5/index_u34.html in 8.7 seconds (24/131)
Rendered: feed_7/article_8/index_u58.html in 20.0 seconds (25/131)
Rendered: feed_7/article_2/index_u100.html in 3.6 seconds (26/131)
Rendered: feed_7/article_1/index_u19.html in 3.1 seconds (27/131)
Rendered: feed_6/index_u18.html in 2.9 seconds (28/131)
Rendered: feed_7/article_0/index_u126.html in 4.5 seconds (29/131)
Rendered: feed_5/article_23/index_u54.html in 4.8 seconds (30/131)
: Loading not complete after 60 seconds, aborting.
Rendered: feed_8/article_20/index_u95.html in 60.0 seconds (31/131)
: Loading not complete after 60 seconds, aborting.
Rendered: feed_8/article_24/index_u94.html in 60.0 seconds (32/131)
Rendered: feed_5/article_24/index_u38.html in 6.6 seconds (33/131)
Rendered: feed_5/article_22/index_u57.html in 4.1 seconds (34/131)
Rendered: feed_5/article_19/index_u32.html in 3.2 seconds (35/131)
Rendered: feed_8/article_1/index_u40.html in 49.9 seconds (36/131)
Rendered: feed_8/article_4/index_u87.html in 52.4 seconds (37/131)
Rendered: feed_5/article_18/index_u97.html in 5.1 seconds (38/131)
Rendered: feed_5/article_16/index_u86.html in 4.4 seconds (39/131)
Rendered: feed_5/article_17/index_u60.html in 7.5 seconds (40/131)
Rendered: feed_8/article_17/index_u51.html in 73.7 seconds (41/131)
Rendered: feed_5/article_12/index_u16.html in 3.6 seconds (42/131)
Rendered: feed_5/article_15/index_u30.html in 8.0 seconds (43/131)
Rendered: feed_8/article_18/index_u53.html in 74.9 seconds (44/131)
Rendered: feed_5/article_13/index_u84.html in 4.1 seconds (45/131)
Rendered: feed_5/article_14/index_u113.html in 7.6 seconds (46/131)
Rendered: feed_5/article_9/index_u114.html in 5.7 seconds (47/131)
Rendered: feed_5/article_11/index_u69.html in 7.7 seconds (48/131)
Rendered: feed_5/article_7/index_u75.html in 6.4 seconds (49/131)
Rendered: feed_5/article_10/index_u50.html in 8.0 seconds (50/131)
Rendered: feed_8/article_12/index_u62.html in 82.8 seconds (51/131)
Rendered: feed_5/article_6/index_u33.html in 7.2 seconds (52/131)
Rendered: feed_8/article_7/index_u35.html in 71.8 seconds (53/131)
Rendered: feed_5/article_4/index_u41.html in 3.4 seconds (54/131)
Rendered: feed_5/article_5/index_u73.html in 4.8 seconds (55/131)
Rendered: feed_8/article_19/index_u96.html in 85.7 seconds (56/131)
Rendered: feed_5/article_0/index_u9.html in 3.5 seconds (57/131)
Rendered: feed_5/article_3/index_u55.html in 6.0 seconds (58/131)
Rendered: feed_8/article_8/index_u68.html in 83.3 seconds (59/131)
Rendered: feed_8/article_9/index_u39.html in 98.5 seconds (60/131)
Rendered: feed_7/article_3/index_u90.html in 61.8 seconds (61/131)
Rendered: feed_4/article_13/index_u72.html in 29.1 seconds (62/131)
Rendered: feed_4/article_14/index_u110.html in 29.5 seconds (63/131)
Rendered: feed_4/article_12/index_u83.html in 29.2 seconds (64/131)
Rendered: feed_4/article_9/index_u112.html in 22.3 seconds (65/131)
Rendered: feed_5/index_u20.html in 33.8 seconds (66/131)
: Loading not complete after 120 seconds, aborting.
Rendered: feed_5/article_20/index_u23.html in 60.0 seconds (67/131)
: Loading not complete after 120 seconds, aborting.
Rendered: feed_5/article_21/index_u26.html in 60.0 seconds (68/131)
Rendered: feed_4/article_4/index_u8_split_000.html in 2.5 seconds (69/131)
Rendered: feed_4/article_10/index_u7.html in 34.8 seconds (70/131)
Rendered: feed_7/index_u25.html in 77.6 seconds (71/131)
: Loading not complete after 60 seconds, aborting.
Rendered: feed_5/article_8/index_u85.html in 60.0 seconds (72/131)
Rendered: feed_4/article_8/index_u92.html in 38.7 seconds (73/131)
Rendered: feed_3/article_9/index_u22.html in 9.9 seconds (74/131)
Rendered: feed_4/article_7/index_u125.html in 30.7 seconds (75/131)
Rendered: feed_8/index_u15.html in 122.5 seconds (76/131)
Rendered: feed_4/article_5/index_u101.html in 27.1 seconds (77/131)
: Loading not complete after 60 seconds, aborting.
Rendered: feed_5/article_1/index_u93.html in 60.0 seconds (78/131)
Rendered: feed_3/article_6/index_u12.html in 6.9 seconds (79/131)
Rendered: feed_4/article_3/index_u27.html in 27.2 seconds (80/131)
Rendered: feed_3/article_7/index_u66.html in 8.7 seconds (81/131)
Rendered: feed_3/article_5/index_u11.html in 8.4 seconds (82/131)
Rendered: feed_4/article_4/index_u8_split_001.html in 33.9 seconds (83/131)
Rendered: feed_3/article_4/index_u43.html in 9.6 seconds (84/131)
Rendered: feed_4/article_0/index_u63.html in 30.5 seconds (85/131)
Rendered: feed_2/index_u13.html in 3.4 seconds (86/131)
Rendered: feed_3/article_3/index_u106.html in 11.1 seconds (87/131)
Rendered: feed_3/article_1/index_u91.html in 10.5 seconds (88/131)
Rendered: feed_4/article_6/index_u28.html in 44.9 seconds (89/131)
Rendered: feed_1/article_26/index_u10.html in 14.4 seconds (90/131)
Rendered: feed_1/article_25/index_u1.html in 13.0 seconds (91/131)
Rendered: feed_1/article_24/index_u117.html in 10.7 seconds (92/131)
Rendered: feed_5/article_2/index_u99.html in 84.9 seconds (93/131)
Rendered: feed_1/article_23/index_u47.html in 9.3 seconds (94/131)
Rendered: feed_4/index_u24.html in 47.2 seconds (95/131)
Rendered: feed_1/article_27/index_u121.html in 19.7 seconds (96/131)
Rendered: feed_3/article_0/index_u64.html in 29.9 seconds (97/131)
Rendered: feed_1/article_20/index_u21.html in 10.2 seconds (98/131)
Rendered: feed_1/article_28/index_u29.html in 28.0 seconds (99/131)
Rendered: feed_1/article_17/index_u6.html in 10.7 seconds (100/131)
Rendered: feed_3/index_u65.html in 35.5 seconds (101/131)
Rendered: feed_1/article_16/index_u5.html in 13.0 seconds (102/131)
Rendered: feed_1/article_29/index_u48.html in 34.6 seconds (103/131)
Rendered: feed_1/article_22/index_u120.html in 20.3 seconds (104/131)
Rendered: feed_1/article_15/index_u77.html in 16.0 seconds (105/131)
Rendered: feed_1/article_21/index_u45.html in 27.4 seconds (106/131)
Rendered: feed_1/article_10/index_u79.html in 9.6 seconds (107/131)
Rendered: feed_1/article_18/index_u44.html in 24.8 seconds (108/131)
: Loading not complete after 120 seconds, aborting.
Rendered: feed_3/article_8/index_u81.html in 60.0 seconds (109/131)
Rendered: feed_1/article_8/index_u80.html in 9.4 seconds (110/131)
Rendered: feed_1/article_19/index_u109.html in 30.2 seconds (111/131)
Rendered: feed_1/article_9/index_u122.html in 14.9 seconds (112/131)
: Loading not complete after 120 seconds, aborting.
Rendered: feed_3/article_2/index_u49.html in 60.0 seconds (113/131)
Rendered: feed_1/article_2/index_u108.html in 10.2 seconds (114/131)
Rendered: feed_1/article_7/index_u56.html in 15.4 seconds (115/131)
Rendered: feed_1/article_4/index_u107.html in 14.8 seconds (116/131)
Rendered: feed_1/article_1/index_u78.html in 12.6 seconds (117/131)
Rendered: feed_0/index_u2.html in 5.0 seconds (118/131)
Rendered: feed_1/article_11/index_u4.html in 29.1 seconds (119/131)
Rendered: feed_1/article_12/index_u118.html in 31.8 seconds (120/131)
Rendered: index_u123.html in 8.1 seconds (121/131)
Rendered: feed_1/article_5/index_u59.html in 25.8 seconds (122/131)
Rendered: feed_1/article_0/index_u3.html in 21.5 seconds (123/131)
Rendered: feed_1/article_14/index_u119.html in 46.1 seconds (124/131)
Rendered: feed_1/article_6/index_u42.html in 31.5 seconds (125/131)
Rendered: feed_4/article_11/index_u82.html in 167.1 seconds (126/131)
Rendered: feed_1/article_3/index_u124.html in 106.0 seconds (127/131)
Rendered: feed_1/index_u105.html in 157.9 seconds (128/131)
Rendered: feed_1/article_13/index_u46.html in 283.3 seconds (129/131)
Rendered: feed_4/article_2/index_u129.html in 368.3 seconds (130/131)
Rendered: feed_4/article_1/index_u67.html in 515.8 seconds (131/131)
Load of clbr://internal.invalid/book/feed_3/article_2/index_u49.html failed



Please take a look, thank you very much

[fengli]

After returning to version 7.16, I batch converted PDF and everything was normal.