Look at power point - and add most of the features found with regard to
Layers/shapes/form background/PASSWORD PROTECTION.
I could go on, buy GN 5 is still quite awesome. Just add the password protection and be done with that silliness already!
Oh, and sync with iCal / add alarm features for the TO DO list please!

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Brooke commented
The topics listed below all involve issues like layers, transparency, locking, merging, grouping, object order, visibility, and rearranging—issues that could be resolved by GoodNotes adding a new layers feature.
If everyone supports the topic with the most votes, we could collectively reach 3,150 votes for layers! If we come together, we have a better shot at seeing this much-needed feature added. Now is the ideal time to vote, especially with GoodNotes rolling out a beta version and making major updates to the app.
VOTE HERE -----> https://bit.ly/vote-here-to-group-votes-for-more-power
current votes 2257 + 893 from others = 3150
# of votes per other posts:
18 - https://bit.ly/superimpose-v18
5 - https://bit.ly/highlighter-v05
136 - https://bit.ly/lock-v136
7 - https://bit.ly/separate-v07
70 - https://bit.ly/highlight-v70
3 - https://bit.ly/between-v03
4 - https://bit.ly/transparency-v04
1 - https://bit.ly/visibility-v01
41 - https://bit.ly/placement-v41
28 - https://bit.ly/layers-v28
10 - https://bit.ly/invisible-v10
27 - https://bit.ly/rearrange-v27
6 - https://bit.ly/grouping-v06
18 - https://bit.ly/overlay-v18
34 - https://bit.ly/selection-v34
14 - https://bit.ly/structure-v14
6 - https://bit.ly/forward-v06
17 - https://bit.ly/locked-v17
13 - https://bit.ly/objects-v13
3 - https://bit.ly/background-v03
1 - https://bit.ly/layer-pen-v01
41 - https://bit.ly/turn-off-v41
65 - https://bit.ly/opacity-v65
63 - https://bit.ly/overlap-v63
28 - https://bit.ly/layer-drawing-v28
14 - https://bit.ly/foreground-v14
15 - https://bit.ly/merging-v15
7 - https://bit.ly/3I2xNrn paint level
7 - https://bit.ly/47n4WbA layers
1 - https://bit.ly/3JGXAWM concepts app
5 - https://bit.ly/4lTt0X9 object selection
4 - https://bit.ly/4lR9U3W lock images
6 - https://bit.ly/4n8xxGe order images
2 - https://bit.ly/3HZJor9 add layers
2 - https://bit.ly/47VasCu template layer
2 - https://bit.ly/47lEOxV layering
2 - https://bit.ly/4mZvJzT object transparency
3 - https://bit.ly/4n8xTN4 layering objects
1 - https://bit.ly/41yU86t group elements