Log message:
tex-beamer{,-doc}: update to 3.71

# Changed
- scale height of tree and split headlines with fontsize of `section in head/foot`

# Fixed
- ensure that shadows of rounded blocks use proper black for their shadow
- using correct template for `\structure` in article mode

Log message:
tex-beamer{,-doc}: update to 3.70

### Added
- making the aspect ratio available to the user via `\insertaspectratio`
- adding `title`, `author`, `institute`, `date` and `titlegraphic` templates to
  make title page easier to customise

### Changed
- smoothbars outer theme: moved the shading between headline and frametitle a
  bit down to avoid the miniframe appearing clipped off in some pdf viewers
- made top shading of Singapore theme transparent
- scale height of infolines headline with fontsize of `section in head/foot`
- calculate the head/footheight at the start of each frame instead of only at
  the start of the document
- making `\part` compatible with `\nameref`

### Fixed
- adding strut to the `frame number` and `page number` footlines to avoid
  jumping
- fixed bug in `inmargin` inner theme which would show the author indicator
  even if the author was empty

Log message:
tex-beamer{,-doc}: update to 3.69

- protect the frametitle continuation so it can be used with
  \MakeUppercase
- first aid for metropolis theme
- fixed indentation of multiline section titles in `square` and
  `ball unnumbered` toc templates
- using `bibliography entry ...` font in biblatex generated
  bibliographies

Log message:
tex-beamer{,-doc}: update to 3.67

### Changed
- beamer sets \@currentlabelname itself and no longer relies on nameref patches.

### Fixed
- slide transitions if the new pdfmanagement is used
- name of transition replace in pdf is R not Replace

Log message:
tex-beamer{,-doc}: update to 3.66

3.66
### Fixed
- fixed edge case in numbering of hidden and unnumbered frames
- fixed regression of class options not being passed to packages
  like xcolor

3.65
### Added
- adding new `onlytextwidth` class option to use this key for all
 `columns` environments by default
- adding new stretchable frame option `s`
- adding user-accessible commands for `\beamersidebarwidth` and
 `\beamerheadheight`
- allow custom values for `aspectratio` option

### Fixed
- using `gray` colormodel for the delcarartion of fadings
- fixed bullet colour of alerted items for custom item colour
- workaround to make miniframes clickable in xelatex
- added missing encoding value to multimedia sound macro
- imporoved problem with shadow of blocks without title
- reduced artefacts in poppler based viewers for shadow blocks
- workaround to make `\framezoom` clickable in xelatex
- exclude invisible frames from being counted
- fixed cut off miniframes for 8pt and 9pt

Log message:
print: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

Log message:
print: Remove SHA1 hashes for distfiles

Log message:
tex-beamer: update to 3.63

3.63
### Changed
- adding `lastsection` option to toc

### Fixed
- Removed superflous period in combination with the `firstsection` option
- Behaviour of `\label` in article mode
- Problem with date position in infolines theme

3.62
### Fixed
- Issue with naming of file hooks
- fixed problem with `\insertmainframenumber` in combination with
`ignorenonframetext`