Collecting a number of issues regarding the Find toolbar (ctrl+F) and the Find dialog (ctrl+H) here.
31491 Across documents, sheets (98270)
64739 Similarity (99456)
88489 Highlight all
86486 Keybinding (46137, 102307)
102009 Undo (38982?)
34390 Find Styles (74078)
58096 Hidden properties (59413, 59415)
73120 Range, Selection, Selected objects (90558, 95117)
76787 Special chars, Non-printable, CR/LF, RegEx (31480, 37494, 38261, 89573, 89573, 91033, 91034, 93510, 100672, 101517, 102374)
85175 Hidden row/col
92584 Draw/Impress Attributes/Format (92608)
72080 Default options
(subjective list of basic topics; likely not complete)
Oh, oh... that's going to be a real mass ping. I'm sorry, messed up with depends and blocks.
bug 107791 enhancement to handle graphics and images
I deleted "Blocks Dialog" ad added this to bug 113136 (Meta-Bug Find&Replace-Dialog), because I think that's more appropriate.